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Location: Remote Workplace: remote We're looking for a Senior Backend Engineer to join our backend team at Zerion. This team builds and evolves the backend systems at the core of our products and customer-facing solutions. In this role, you'll design and operate distributed systems, work with Web3 infrastructure, and collaborate closely with product, support, and the clients building on our API to deliver reliable, scalable solutions. We value strong ownership, thoughtful system design, and a high bar for code quality. If you enjoy building solid systems, moving fast without cutting corners, and using AI as a core part of how you work, you'll feel right at home with us. What You’ll Do Design, build, and maintain scalable distributed backend systems powering platform and product capabilities. Own backend services end-to-end : from architecture and implementation to monitoring and long-term reliability. Take part in the team's on-call rotation . When a service breaks in production, you respond, find the cause, fix it, and make sure it doesn't happen again. Work closely with product and engineering peers to actively shape product decisions — not just execute specs. Scope solutions with the clients building on our API: turn a vague request into a concrete proposal, and the proposal into a plan the team can build. Build and evolve Web3 platform backend components , including protocol integrations, support for newly emerging blockchain networks, and reliable interactions with smart contracts. Ensure high standards of code quality , performance, security, and observability. Operate comfortably in a fast-paced startup environment , balancing speed and correctness. Use AI as a core part of your engineering workflow — designing, reviewing, debugging and shipping with it. This is how the team works day to day, not an experiment we're running. Contribute to technical discussions , reviews, and mentorship within the engineering team. What We’re Looking For 5+ years of experience designing and building distributed backend systems . Strong knowledge of algorithms, data structures, and software design patterns . Comfortable working in a fast-paced startup environment . Strong desire to actively contribute to product evolution , not just implementation. Comfortable working directly with customers — hearing a vague problem and coming back with a concrete proposal. Hands-on, daily use of AI in your engineering work . You should be able to talk concretely about where it has changed how you build, and where you've learned not to trust it. High standards for code quality, system reliability, and user experience — you care about getting it right, not just getting it done. Strong ownership mindset — you take responsibility for outcomes, not just tasks. Clear and proactive communication in a distributed team. Pragmatic decision-making: knowing when to move fast vs. go deep . Ability to learn quickly and adapt . Technical Skill Set Excellent knowledge of Golang is a plus, not a blocker. Experience with containerized systems : Docker & Kubernetes. Experience with databases : SQL: Postgres NoSQL: MongoDB, Cassandra Experience with monitoring and observability tools : Sentry, Prometheus, Grafana. Hands-on experience with AWS (Amazon Web Services) . Experience with Python 3 . Comfort experimenting with and integrating AI-assisted workflows into daily engineering work. Bonus Points Hands-on Web3 experience: Blockchain systems, dApps, Smart contracts. Prior experience in a startup environment that emphasizes trust and autonomy . Located in time zones close to Europe for smoother collaboration. Collaborative mindset and respect for different perspectives. Curiosity and willingness to challenge existing solutions when better ones exist. Interview Process Screening Call – 30 minutes Hiring Manager Interview –  up to 60 minutes Technical Interview – up to 60 minutes System Design Interview – up to 90 minutes Team Interview – up to 60 minutes Founders Call – up to 60 minutes Reference Check Why You Should Join   Company Overview   Zerion API Trusted by 50+ top crypto and fintech brands Powering 2k+ active clients monthly Over 10B total requests processed A lean, senior AI-native team shipping at outsized scale   Zerion Wallet 1.7M+ active funded wallets 27.6M+ transactions 2.5B+ transaction volume 416K+ unique holders of Zerion DNA NFT     Culture: Our culture shines through in our strong team engagement and impressive retention, showing just how much we value creating a workplace where people truly want to stay and thrive. People: Collaborate with some of the most driven and intelligent individuals in the crypto space. Salary & Benefits: Receive a competitive salary, medical insurance, coworking membership, and additional benefits. Unlimited Days Off and Flexible Work Schedule: Recharge and explore life outside the office with our flexible time-off policy and work schedule. Remote Work Essentials: We provide all the necessary software and equipment to ensure you're fully equipped to work from home comfortably and efficiently. Stock Options: Contribute to Zerion's success and watch your stock options become valuable. Travel: Connect with your teammates around the world at industry events and our annual team offsite. Distributed Team: Zerion is a fully remote team with members worldwide. Embrace asynchronous collaboration, find your own work rhythm, and enjoy a healthy work-life balance.   To ALL recruitment agencies and individual recruiters: Zerion only accepts resumes from its partners, with whom Zerion has contractual relations. Zerion is not responsible for any fees or charges associated with unsolicited resumes.   We read every application in full before moving forward - as part of that, please include the word WATERMELON somewhere in your answer to the application question below

Location: San Jose, California, United States Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves. Across our multiple offices globally, we are united by our core principles: We Before Me , Do the Right Thing , and Get Things Done . These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er. OKX is part of OKG, a group that brings the value of Blockchain to users around the world, through our leading products OKX, OKX Wallet, OKLink and more. About the Opportunity Our Card and Payment engineering team builds reliable, intuitive experiences at the intersection of cards, payments, crypto, and global financial infrastructure. We partner closely with product, design, backend, risk, compliance, and business teams to make card and payment products accessible to users around the world. As a Senior Mobile Engineer on the Card and Payment team, your primary responsibility will be to own and improve the global card issuance process. You will work mainly with product and engineering partners in the US, while meeting regularly with teams in Asia to understand requirements and align delivery. We are looking for someone who is highly self-driven, takes real ownership, collaborates well, and is eager to learn the card issuing and payment businesses in depth. What You’ll Be Doing Own the end-to-end global card issuance process—from eligibility and application through card creation, activation, provisioning, and lifecycle servicing—and improve the experience as OKX expands into new markets. Learn the card issuing and payment domains deeply, and translate business, user, payment, and regulatory requirements into sound architecture, clear trade-offs, and executable delivery plans. Own features from discovery through production, with a strong focus on security, reliability, observability, maintainability, documentation, and test coverage. Drive ambiguous, cross-functional initiatives to completion with a high degree of ownership, self-direction, and sound judgment. Collaborate primarily with product and engineering teams in the US, while joining regular discussions with Asia teams to discover, clarify, and align requirements. Build with Swift, Kotlin, or Rust depending on the problem, and actively learn and adopt new languages, platforms, and tools rather than being limited to a single technology stack. Use AI coding tools throughout the development lifecycle—from exploration and implementation to testing, review, and documentation—while maintaining strong engineering judgment and accountability. Build and maintain reusable AI workflows, engineering harnesses, and technical knowledge bases that improve the entire team’s speed and quality. Review code, share context openly, mentor teammates, and make decisions that improve both engineering quality and overall team outcomes. Contribute to hiring, onboarding, and the continuous improvement of team practices. What We Look For In You B.S. or M.S. in Computer Science, or equivalent practical experience. Proven experience shipping and operating production-quality mobile applications, with deep expertise in iOS or Android. Strong proficiency in at least one of Swift, Kotlin, or Rust, with a demonstrated willingness to learn and contribute in unfamiliar languages and technology stacks. Exceptional ownership and self-direction, with the judgment to make pragmatic decisions and drive ambiguous work to completion. Demonstrated, regular use of AI coding tools with measurable impact on delivery speed, code quality, or engineering effectiveness. A team-first mindset: you communicate openly, share knowledge, support peers, and align technical decisions around the best outcome for the team and product. Genuine curiosity about card issuing and payment businesses, plus the ability to communicate technical decisions clearly with partners across the US and Asia. Professional proficiency in English and Mandarin Chinese is required. Nice to Haves Hands-on experience with global card issuance flows, card processing, payments, fintech, crypto, or other high-trust financial products. Experience launching products across multiple countries or regulatory environments. Knowledge of mobile security, payment authentication, risk controls, or transaction lifecycle design. Experience improving mobile architecture, shared components, developer tooling, or engineering productivity at team scale. Experience mentoring engineers or leading cross-functional technical initiatives. Perks & Benefits Competitive total compensation package L&D programs and Education subsidy for employees' growth and development Various team building programs and company events Wellness and meal allowances Comprehensive healthcare schemes for employees and dependants More that we love to tell you along the process! OKX Statement OKX is committed to equal employment opportunities regardless of race, color, genetic information, creed, religion, sex, sexual orientation, gender identity, lawful alien status, national origin, age, marital status, and non-job related physical or mental disability, or protected veteran status. Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records. The salary range for this position is $178,888 to $268,333. The salary offered depends on a variety of factors, including job-related knowledge, skills, experience, and market location. In addition to the salary, a performance bonus and long-term incentives may be provided as part of the compensation package, as well as a full range of medical, financial, and/or other benefits, dependent on the position offered. Applicants should apply via OKX internal or external careers site. Notice: All official OKX vacancies are published on this website. While roles may appear on selected third-party platforms from time to time, information on other sites may be inaccurate or outdated. If in doubt, please apply directly through our official careers website. Information collected and processed as part of the recruitment process of any job application you choose to submit is subject to OKX 's Candidate Privacy Notice .

Location: United Kindom, United Kingdom; Buenos Aires, Argentina; Bogotá, Colombia; Sao Paulo, Brazil; Montevideo, Uruguay; Bangalore, India; Chittagong, Bangladesh; Karachi, Pakistan; Tokyo, Japan; Hanoi, Vietnam; Taipei, Taiwan; Bangkok, Thailand; London, United Kingdom; Lugano, Switzerland; Barcelona, Spain; Dubai, United Arab Emirates; Sofia, Bulgaria; Prague, Czechia; Belgrade, Serbia; Copenhagen, Denmark; Tallinn, Estonia; Athens, Greece; Tbilisi, Georgia; Budapest, Hungary; Dublin, Ireland; Sliema, Malta; Oslo, Norway; Amsterdam, Netherlands; Warsaw, Poland; Lisbon, Portugal; Bucharest, Romania; Stockholm, Sweden; Brussels, Belgium; Tel Aviv, Israel; Istambul, Türkiye; Nicosia, Cyprus Workplace: remote Join Tether and Shape the Future of Digital Finance At Tether, we’re not just building products, we’re pioneering a global financial revolution. Our cutting-edge solutions empower businesses—from exchanges and wallets to payment processors and ATMs—to seamlessly integrate reserve-backed tokens across blockchains. By harnessing the power of blockchain technology, Tether enables you to store, send, and receive digital tokens instantly, securely, and globally, all at a fraction of the cost. Transparency is the bedrock of everything we do, ensuring trust in every transaction. Innovate with Tether Tether Finance: Our innovative product suite features the world’s most trusted stablecoin, USDT , relied upon by hundreds of millions worldwide, alongside pioneering digital asset tokenization services. But that’s just the beginning: Tether Power: Driving sustainable growth, our energy solutions optimize excess power for Bitcoin mining using eco-friendly practices in state-of-the-art, geo-diverse facilities. Tether Data: Fueling breakthroughs in AI and peer-to-peer technology, we reduce infrastructure costs and enhance global communications with cutting-edge solutions like KEET , our flagship app that redefines secure and private data sharing. Tether Education : Democratizing access to top-tier digital learning, we empower individuals to thrive in the digital and gig economies, driving global growth and opportunity. Tether Evolution : At the intersection of technology and human potential, we are pushing the boundaries of what is possible, crafting a future where innovation and human capabilities merge in powerful, unprecedented ways. Why Join Us? Our team is a global talent powerhouse, working remotely from every corner of the world. If you’re passionate about making a mark in the fintech space, this is your opportunity to collaborate with some of the brightest minds, pushing boundaries and setting new standards. We’ve grown fast, stayed lean, and secured our place as a leader in the industry. If you have excellent English communication skills and are ready to contribute to the most innovative platform on the planet, Tether is the place for you. Are you ready to be part of the future? About the job As a member of the AI model team, you will drive innovation in architecture development for cutting-edge models of various scales, including small, large, and multi-modal systems. Your work will enhance intelligence, improve efficiency, and introduce new capabilities to advance the field. You will have a deep expertise in Large Language Model (LLM) and Multi-Modal architectures, a strong grasp of pre-training optimization, and a hands-on, research-driven approach. Your mission is to explore and implement novel techniques and algorithms that lead to groundbreaking advancements: multi-modal data curation and alignment, strengthening baselines, and identifying and resolving existing pre-training bottlenecks to push the limits of cross-modal AI performance. Responsibilities Large-Scale Pre-Training: Conduct foundational pre-training for LLMs and Multi-Modal models (integrating text, vision, audio, or other modalities) on large, distributed servers equipped with multi-nodes & thousands of NVIDIA GPUs. Architecture & Alignment Innovation: Design, prototype, and scale innovative architectures, tokenizers, and cross-modal alignment layers to enhance model intelligence and multi-modal understanding. Data Strategy: Source, filter, and curate massive-scale textual and multi-modal datasets, establishing robust data pipelines for efficient pre-training. Experimental Research: Independently and collaboratively execute experiments, analyze results, and refine training methodologies for optimal performance and token efficiency. Optimization & Debugging: Investigate, debug, and eliminate bottlenecks in model efficiency, computational performance, and multi-modal alignment stability during long training runs. System Scalability: Contribute to the advancement of distributed training systems to ensure seamless scalability and hardware efficiency on target platforms. A degree in Computer Science  or related field. Ideally PhD in NLP, Machine Learning, or a related field, complemented by a solid track record in AI R&D (with good publications in A* conferences). Hands-on experience contributing to large-scale LLM or Multi-Modal pre-training runs on large, distributed servers equipped with thousands of NVIDIA GPUs, ensuring scalability and impactful advancements in model performance. Familiarity and practical experience with large-scale, distributed training frameworks, libraries and tools. Deep knowledge of state-of-the-art transformer and non-transformer modifications aimed at enhancing intelligence, efficiency and scalability. Strong expertise in PyTorch and Hugging Face libraries with practical experience in model development, continual pretraining, and deployment. Important information for candidates Recruitment scams have become increasingly common. To protect yourself, please keep the following in mind when applying for roles: Apply only through our official channels. We do not use third-party platforms or agencies for recruitment unless clearly stated. All open roles are listed on our official careers page: https://tether.recruitee.com/ Verify the recruiter’s identity. All our recruiters have verified LinkedIn profiles. If you’re unsure, you can confirm their identity by checking their profile or contacting us through our website. Be cautious of unusual communication methods. We do not conduct interviews over WhatsApp, Telegram, or SMS. All communication is done through official company emails and platforms. Double-check email addresses. All communication from us will come from emails ending in @ tether.to or @ tether.io We will never request payment or financial details. If someone asks for personal financial information or payment at any point during the hiring process, it is a scam. Please report it immediately. When in doubt, feel free to reach out through our official website.

Location: Hong Kong; Singapore; US / Remote Workplace: remote About the Company Born from groundbreaking research at Columbia University and Yale University, CertiK is a leading Web3 security company focused on securing blockchain protocols, smart contracts, and decentralized applications through cutting-edge security research, formal verification, and AI-powered technology. Founded in 2017 and headquartered in New York City, CertiK provides end-to-end security solutions including smart contract audits, penetration testing, on-chain monitoring, incident response, and compliance services for some of the largest projects in the digital asset ecosystem. Today, CertiK supports thousands of enterprise clients and Web3 projects globally, with a distributed international team spanning North America, Asia, and Europe. The company is backed by leading investors including Coatue, Goldman Sachs, Insight Partners, and Sequoia Capital, and has been recognized by organizations such as the World Economic Forum and CB Insights for its contributions to blockchain security innovation. CertiK has spent years building security, risk, monitoring, and blockchain expertise across thousands of digital asset companies and institutional customers. As digital assets increasingly become part of mainstream financial infrastructure, security, financial crime risk, and regulatory compliance are converging. We believe there is an opportunity to build a new generation of institutional digital asset risk and compliance products at that intersection. This role will have significant influence over what that product becomes. We are looking for someone who wants to build it.  About the Role CertiK is building the next generation of risk and compliance products for financial institutions and digital asset businesses. We are looking for a product leader to own this product area from customer discovery and product strategy through delivery, go to market, adoption, and expansion. This is not an internal compliance role. You are here to build the products that compliance, AML, financial crime, and risk teams use. You will work directly with financial institutions, exchanges, VASPs, fintechs, and other digital asset businesses to understand how their compliance teams operate, identify the problems that matter most, and turn those problems into scalable products. The product space may include areas such as blockchain and entity risk, transaction and wallet monitoring, sanctions and KYT, risk scoring, investigation and case management workflows, continuous monitoring, and compliance evidence and reporting. A core part of your job will be deciding which problems CertiK should solve first and which ones we should not. You will work closely with Product, Engineering, Data, Compliance, Business Development, and company leadership to build this product line. Responsibilities Own the product vision, strategy, and roadmap for CertiK's AML and digital asset compliance products. Spend significant time with customers and prospective customers, including CCOs, MLROs, AML teams, investigators, and risk leaders, to deeply understand their workflows and unmet needs. Identify repeatable market problems behind individual customer requests and determine which problems should become scalable products. Translate customer and market insights into product concepts, prototypes, requirements, and clear engineering priorities. Drive products from discovery through design, development, launch, adoption, and iteration. Define the key workflows, risk models, decision systems, and user experiences required by institutional compliance teams. Work closely with Engineering and Data teams to make appropriate product and technical trade offs. Partner with Business Development and customer facing teams during strategic sales cycles, including discovery, product demonstrations, pilots, and design partnerships. Work with Compliance and regulatory experts to translate evolving AML, sanctions, and digital asset requirements into scalable product capabilities. Measure success through customer adoption, product usage, enterprise wins, expansion, and other measurable business outcomes. Requirements Significant product management experience building B2B software in fintech, regtech, financial services, risk, compliance, or digital assets. A track record of owning meaningful products or product areas from discovery through launch and adoption. Deep understanding of AML, financial crime, transaction monitoring, sanctions, KYC/KYB, investigations, or related compliance workflows. Experience building or working closely with products such as transaction monitoring, blockchain analytics, wallet screening, risk engines, case management, investigation platforms, or compliance workflow systems. Strong customer discovery skills. You can speak credibly with senior compliance leaders and frontline analysts, understand both what they say and what they actually need, and translate those insights into product decisions. Strong product judgment. You know the difference between a one off customer request and a repeatable market need, and you are comfortable making hard prioritization decisions. Commercial instincts. You understand that a successful enterprise product must not only work, customers must adopt it, pay for it, and expand their usage. Ability to operate in an ambiguous, early stage product environment and personally drive work forward rather than simply coordinate across teams. Bonus Points Experience building AML or compliance products at a blockchain analytics, fintech, regtech, exchange, bank, or financial infrastructure company. Experience with blockchain analytics, KYT, wallet screening, on chain investigations, or digital asset risk. Previous experience as an AML practitioner, compliance officer, MLRO, investigator, or financial crime professional. Experience working with regulated financial institutions and understanding how compliance products are evaluated, procured, implemented, and operated. Experience with regulatory examinations, VASP licensing, or financial crime remediation. CAMS or another relevant professional qualification. Relationships with compliance and risk leaders across banks, fintechs, exchanges, VASPs, regulators, or law enforcement. The expected annual base salary range for this position in the United States is $150,000 to $220,000. Compensation for candidates outside the United States will be determined based on location, experience, and qualifications.   #blockchain #startups #hiring   CertiK accepts applications for this position on an ongoing basis.   In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire.   CertiK is proud to be an equal opportunity employer. We will not discriminate against any applicant or employee on the basis of age, race, color, creed, religion, sex, sexual orientation, gender, gender identity or expression, medical condition, national origin, ancestry, citizenship, marital status or civil partnership/union status, physical or mental disability, pregnancy, childbirth, genetic information, military and veteran status, or any other basis prohibited by applicable federal, state or local law.   CertiK will consider for employment qualified applicants with criminal histories in a manner consistent with local and federal requirements. https://www.eeoc.gov/sites/default/files/migrated_files/employers/poster_screen_reader_optimized.pdf   All CertiK employees are expected to actively support diversity on their teams, and in the Company.

Location: Singapore, Singapore OKX will be prioritising applicants who have a current right to work in Singapore, and do not require OKX's sponsorship of a visa Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves. Across our multiple offices globally, we are united by our core principles: We Before Me , Do the Right Thing , and Get Things Done . These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er. OKX is part of OKG, a group that brings the value of Blockchain to users around the world, through our leading products OKX, OKX Wallet, OKLink and more. About the Team The Exchange Middle Platform team develops the core modules of the exchange, including the matching engine, real-time market data streaming, and market data analysis. It is the backbone of our industry-leading trading product, used by millions of users. We are seeking highly motivated Java/C++ Engineers to join our cutting-edge team. In this role, you will design, develop, and optimize our systems, which are critical components of our technology stack. We leverage AI technologies to enhance efficiency and performance, offering a unique opportunity for individuals who are eager to learn and grow in a fast-paced, innovative environment. Candidates with prior experience in large internet companies will excel in this role, as they will bring valuable insights into building and maintaining high-performance, distributed systems. What You’ll Be Doing Design and implement innovative solutions for our full range of trading products including spot, future, perpetual swap and options. Build out real-time market data gateway. Performance optimization for overall trading architecture aiming for low latency, high availability and scalability. What We Look For In You Expertise in Java with a solid understanding of object-oriented programming, concurrency, and system-level programming. Proven ability to develop and optimize low-latency, high-throughput and high-availability systems. Expertise in performance tuning, memory management, and concurrency optimization. Proficient in diagnosing and resolving complex system issues using tools such as profilers, debuggers, and log analyzers. Ability to perform low-level debugging, including assembly language debugging when needed. Solid STEM (Science/Technology/Engineering/Mathematics) education background. Strong knowledge of data structures, algorithms, system design, and network protocols Nice to Haves Expertise in Java, with a solid understanding of object-oriented programming, concurrency, and system-level programming. Experience in large internet companies, with a background in developing and maintaining high-availability, high-performance systems, and hands-on experience in supporting large-scale peak traffic scenarios. Familiarity with low-latency systems, real-time applications, or high-frequency trading platforms. Knowledge of message-oriented middleware, or asynchronous programming paradigms. Familiarity with DevOps practices and tools, such as CI/CD pipelines, containerization (Docker/Kubernetes), or cloud platforms. Bilingualism is highly preferred (Mandarin and English) as the team will be working with stakeholders in different regions. Experience with AI technologies to improve efficiency. Perks & Benefits Competitive total compensation package L&D programs and Education subsidy for employees' growth and development Various team building programs and company events Wellness and meal allowances Comprehensive healthcare schemes for employees and dependants More that we love to tell you along the process! Notice: All official OKX vacancies are published on this website. While roles may appear on selected third-party platforms from time to time, information on other sites may be inaccurate or outdated. If in doubt, please apply directly through our official careers website. Information collected and processed as part of the recruitment process of any job application you choose to submit is subject to OKX 's Candidate Privacy Notice .

Location: Bangalore Workplace: hybrid ⚡️ About Merkle Science Merkle Science provides blockchain transaction monitoring and intelligence solutions for web3 companies, digital asset service providers, financial institutions, law enforcement and government agencies to detect, investigate and prevent illicit use of cryptocurrencies. Our vision is to make cryptocurrencies safe and provide infrastructure for the safe and compliant growth of cryptocurrencies. Merkle Science is headquartered in New York with offices in Singapore, Bangalore and London. The team has combined experience across Bank of America, Paypal, Luno, Thomson Reuters and Amazon. The company has raised over US$27 MM from SIG, Beco, Republic, DCG, Kenetic, GGV and several others. Responsibilities Design, build, and maintain backend services and REST APIs using Python(Django/FastAPI) Write efficient queries and manage data models in PostgreSQL Work with Redis for caching, queues, and improving service performance Collaborate with frontend and QA engineers to ship end-to-end features Write clean, tested, well-documented code and participate in code reviews Debug and optimize existing services for performance and scale Work with large datasets related to blockchain transactions (exposure to tools like ClickHouse is a plus) Required Skills Strong fundamentals in Python and object-oriented programming Understanding of Django/FastAPI or any Python web framework Working knowledge of relational databases (PostgreSQL preferred) — schema design, indexing, query optimization Basic understanding of caching concepts and tools like Redis Understanding of REST API design principles Strong problem-solving and DSA fundamentals (arrays, trees, graphs, hashing) Familiarity with Git and collaborative version control workflows Good to Have Exposure to Docker/containers Familiarity with message queues (Celery, Kafka, RabbitMQ) Personal projects, open-source contributions, or competitive programming profile Curiosity about blockchain/crypto — no prior crypto knowledge required Exposure to relevant AI tools (e.g., GitHub Copilot, Claude, Cursor, or similar AI-assisted coding tools) Eligibility Final year (graduating 2027) B.Tech/B.E./Dual Degree students From IIT / NIT / IIIT only CSE, IT, or closely related computer science branches only Strong academic record and demonstrated coding ability (via projects, competitive programming, or coursework) Preference given to candidates with open-source contributions, external/personal projects beyond academic coursework, and prior internship experience           Duration: 1 year        Work Mode: Hybrid (3 days/week in office, 2 days work-from-home)        Stipend: [As per company policy]        Post-internship: High performers may be offered a full-time role, subject to a 2-year service lock-in period ❤️ Well Being, Compensation and Benefits We care about your well-being. Along with excellent health insurance, we offer flexible time off, learning & development initiatives and hours that are designed to provide work/life balance.  We regularly host team-building sessions and encourage discussions around mental health.   We reward talent and believe in acknowledging people for their contributions.  We offer industry-leading compensation, along with generous equity.  As a rapidly growing business, there are endless opportunities to grow your career with Merkle Science.

Location: APAC Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves. Across our multiple offices globally, we are united by our core principles: We Before Me , Do the Right Thing , and Get Things Done . These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er. OKX is part of OKG, a group that brings the value of Blockchain to users around the world, through our leading products OKX, OKX Wallet, OKLink and more. What You'll Do Design and develop strategies and product enhancements for the global P2P business (ex-Hong Kong) to align with business growth objectives and drive their implementation. Establish effective growth strategies by integrating real business scenarios with data analysis; gain in-depth understanding of global P2P market characteristics, address user needs and pain points across each market, and enhance product usability and overall user experience. Build a user risk control and quality management system, establish standardized user operations mechanisms, identify high-risk user profiles through effective risk control strategies, and drive the refinement and upgrade of risk control models. Maintain strong data sensitivity and establish a comprehensive business funnel data analysis framework; stay current with industry and market trends, continuously produce analytical reports and actionable strategies, and provide guidance for product upgrades and business direction. 为非香港全球P2P业务设计和制定符合业务发展的策略和技术功能，并推进落地执行； 建立有效的业务增长策略，能够结合业务实际场景和数据分析进行综合应用；同时深入了解全球P2P市场的特性，解决每个市场用户需求和痛点，打造产品易用性和用户体验； 搭建用户风控和质量管理体系，建立标准化的用户运营机制，通过有效的风控策略识别出高危用户特征，驱动风控模型完善与升级； 对数据保持敏感性，建立完善的业务漏斗数据分析体系，能够快速了解行业市场动态，并持续输出分析报告和对应打法，为产品升级及业务方向提供指导性意见 Who You Are Bachelor's degree or above; candidates with 7+ years of experience in internet finance, blockchain, or digital currency-related industries are preferred, as are those with extensive operations management experience and exposure to multiple global markets. Proficiency in both Chinese and English as working languages. A strong hunger to grow, excellent industry acuity, deep frontline business involvement, highly proactive with ideas, drive, and the ability to execute. Strong logical thinking with exceptional strategic, analytical, and problem-solving skills; outstanding communication and coordination abilities, strong teamwork, a high sense of responsibility, and the ability to perform well under pressure. 本科以上学历，7年以上互联网金融、区块链、数字货币相关行业从业经验者优先，有丰富的运营管理经验者优先，有全球诸多市场工作经验者优先； 中文、英文都能作为工作语言； 保持饥饿感，优秀的行业敏感度，深入业务一线，主动性强，有想法有动力且可落实； 逻辑思维能力强，具备很强的策略思考、分析和问题解决能力，突出的沟通协调能力、团队协作能力，责任感和抗压能力强 Perks & Benefits Competitive total compensation package L&D programs and Education subsidy for employees' growth and development Various team building programs and company events Wellness and meal allowances Comprehensive healthcare schemes for employees and dependants More that we love to tell you along the process! Notice: All official OKX vacancies are published on this website. While roles may appear on selected third-party platforms from time to time, information on other sites may be inaccurate or outdated. If in doubt, please apply directly through our official careers website. Information collected and processed as part of the recruitment process of any job application you choose to submit is subject to OKX 's Candidate Privacy Notice .

Location: São Paulo, Brazil Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves. Across our multiple offices globally, we are united by our core principles: We Before Me , Do the Right Thing , and Get Things Done . These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er. OKX is part of OKG, a group that brings the value of Blockchain to users around the world, through our leading products OKX, OKX Wallet, OKLink and more. What You’ll Be Doing Develop and execute OKX’s retail growth strategy for Brazil, aligning local priorities with the company’s broader business objectives. Build and scale growth initiatives across relevant channels, partnerships, product-led programs, community activations, and local campaigns. Lead relationships with influencers and KOLs, from selection and negotiation to campaign execution and performance management. Support local PR efforts, working with global internal teams and external agencies to strengthen brand visibility and reputation. Own the strategy and execution of events, sponsorships, and offline activations that drive awareness, engagement, and user growth. Define KPIs, analyze performance, and translate data into actionable insights that drive measurable business results. Use AI tools to accelerate research, analysis, experimentation, personalization, content workflows, and operational efficiency. Manage multiple workstreams, budgets, partners, and stakeholders in a fast-paced, results-oriented environment. What We Look For In You Minimum of 8 years of experience in Marketing/Growth in fast paced industry. Strong familiarity with AI tools and a practical understanding of how to apply them to analysis, experimentation, personalization, and productivity. A highly data-driven and results-oriented mindset, with a proven ability to turn insights into measurable growth. Exceptional communication and stakeholder-management skills. An entrepreneurial mindset, with strong ownership, adaptability, and bias toward action. Excellent organization and project-management capabilities. A genuine passion for crypto, blockchain technology, and digital assets. Flexibility to adapt working hours to collaborate effectively across multiple time zones. Fluency in Portuguese and English. Perks & Benefits Competitive total compensation package L&D programs and Education subsidy for employees' growth and development Various team building programs and company events Wellness and meal allowances Comprehensive healthcare schemes for employees and dependants More that we love to tell you along the process! #LI-SK1 #LI-HYBRID Notice: All official OKX vacancies are published on this website. While roles may appear on selected third-party platforms from time to time, information on other sites may be inaccurate or outdated. If in doubt, please apply directly through our official careers website. Information collected and processed as part of the recruitment process of any job application you choose to submit is subject to OKX 's Candidate Privacy Notice .

Location: Remote About us OpenZeppelin is the security standard onchain finance is built on. Founded in 2015, our mission is to accelerate the world's transition to an open financial system, built on open standards and secured by rigorous research. Our open-source Contract Libraries have facilitated over $35 trillion in onchain value and are used by 10 of the top 10 tokenized money market funds and 9 of the top 10 stablecoins by market cap. We combine AI-native security tooling with deep research and a decade of audit expertise to support leading institutions and crypto-native teams shaping the next generation of digital assets like DTCC, Fidelity, Coinbase, Uniswap, Aave, the Ethereum Foundation, and many more across the full secure development lifecycle. Please note: Always refer to OpenZeppelin's official job page for the most accurate information about our open roles, as we have seen multiple third party job sites posting inaccurate information. The Ecosystems Team OpenZeppelin's libraries and standards are the trusted foundation of onchain development across Ethereum, Stellar, Canton and beyond, powering the majority of the world's most valuable protocols and a new generation of institutional-grade financial infrastructure. The Ecosystems team builds the long-term partnerships behind that position: we work directly with L1 and L2 foundations, protocol teams and technology providers on security audits, secure development, reference implementations and strategic open-source programs that help entire ecosystems grow securely. As tokenization and institutional adoption accelerate, the team sits at the center of some of the most consequential projects in the industry. You will report to our Ecosystem Development Lead and work alongside senior sellers, our CTO office, and our solutions and delivery teams. What you'll be doing You will own a portfolio of ecosystem accounts and be responsible for growing it. This is a senior, full-cycle sales role for someone who is technical enough to lead discovery and scoping conversations with CTOs and core developers directly. You will deepen relationships with some of the most important foundations and protocol teams in the industry, and open doors to new ones. Own and grow a portfolio of ecosystem accounts (L1/L2 foundations, protocol teams, infrastructure providers) through renewals, expansion into new services, and multi-year partnerships. Win new business through targeted, research-driven outreach to foundations and protocol teams, typically six to seven-figure engagements. Lead the full sales cycle, including technical discovery: scoping security audits, secure development engagements and open-source partnership programs, and translating protocol roadmaps into compelling proposals. Build and maintain strategic account plans for your portfolio, staying close to your customers' roadmaps and identifying opportunities early. Partner with our CTO office and solutions teams on strategic proposals, and help shape the institutional-grade solutions emerging from our largest partnerships. Represent OpenZeppelin at ecosystem conferences, technical workshops and community events worldwide. You have 6+ years in sales or commercial roles, including 3+ years owning and exceeding revenue targets for technical products or services (Web3, security, developer tooling, or infrastructure). A track record of closing six and seven figure deals with blockchain foundations, protocol teams, or technology companies. Real technical fluency: you understand smart contract development, EVM architecture and blockchain infrastructure well enough to lead technical conversations, read documentation and EIPs/ERCs, and earn credibility with engineering audiences. Full-cycle ownership: you prospect, qualify, propose, negotiate and close, and you run your pipeline with discipline. An established network across blockchain ecosystems, foundations and protocol teams. Excellent proposal writing and communication skills. Nice to have A background as a developer, solutions engineer or security researcher before moving into sales. Experience selling security audits or security services. Familiarity with ecosystem funding mechanics: foundation budgets, grant programs, treasury-funded partnerships. Exposure to financial institutions, tokenization or RWA projects. Experience with onchain analytics (Dune, Nansen, block explorers). Logistics: Our interview process takes place on Zoom and tends to consist of the following stages: Recruiter Call (30 minutes) Hiring Manager Call (60 minutes) Team Interview (45 minutes) Leadership Interview (30 minutes) Paid work test (up to 20 paid hours of work) Reference checks Benefits Meet your teammates at company gatherings around the world 😎 Enjoy the flexibility of fully remote work 🌎 Take the time you need with flexible time off 🏝 Grow your family with 8 weeks of paid leave for primary caregivers, 4 weeks for secondary caregivers, and a one-time $3,600 baby bonus 💙 Build your ideal home office with up to $500 in equipment support 🪑 Stay covered with medical insurance 🏥 Keep growing with learning and development opportunities 🧠 Get a monthly stipend for your preferred co-working space 💻 At OpenZeppelin , we are an equal opportunity employer and we value different perspectives. We are committed to building a diverse workforce. This includes but is not limited to gender, race, sexual orientation, religion, national origin and other characteristics that make each one of us unique. In this uniqueness, we find the most value. Come join us! Use of AI as part of the recruiting process As part of OpenZeppelin’s recruitment process, we may use automated tools, including artificial intelligence, to assist in reviewing applications and assessing candidate qualifications. These tools are used to support our People team by identifying relevant skills and experience, and are not used to make decisions solely by automated means. All hiring decisions involve human review. Any personal data provided as part of your application will be processed in accordance with OpenZeppelin’s Data Privacy Notice . If you have questions about this recruitment process or would like to request human review of your application, please contact us at talent@openzeppelin.com.

Location: New York Workplace: hybrid ⚡️ About Merkle Science Merkle Science provides blockchain transaction monitoring and intelligence solutions for web3 companies, digital asset service providers, financial institutions, law enforcement and government agencies to detect, investigate, and prevent illicit use of cryptocurrencies. Our vision is to make cryptocurrencies safe and provide infrastructure for the safe and compliant growth of cryptocurrencies. Merkle Science is headquartered in New York with offices in Singapore, Bangalore and London. The team has combined experience across Bank of America, Paypal, Luno, Thomson Reuters and Amazon. The company has raised over $27M from SIG, Beco, Republic, DCG, Kenetic, GGV and several others. Merkle Science is seeking a Product Marketing Manager to join our growing team. This is a hands-on role for someone with experience in crypto, blockchain, digital assets, or Web3 who enjoys translating complex products into compelling customer stories and driving product adoption through strategic marketing programs. Working closely with our product, sales, customer success, and events teams, you'll own the execution of product marketing campaigns that generate pipeline, accelerate product adoption, and support revenue growth. Our clients include cryptocurrency businesses, financial institutions, government agencies, regulators, and law enforcement organizations around the world. What You'll Do Own product marketing campaigns for Merkle Science's product portfolio, from launch through ongoing customer adoption. Develop positioning, messaging, and marketing content that clearly communicates product value to enterprise customers. Build and execute email newsletters, product announcements, customer education campaigns, and lead nurture programs using HubSpot. Plan and execute webinars, conferences, customer events, and executive roundtables that generate qualified sales opportunities and accelerate pipeline. Create customer-facing collateral including product one-pagers, presentations, case studies, sales enablement materials, and website content. Partner closely with Product and Sales to support product launches, feature releases, and go-to-market initiatives. Manage HubSpot, including CRM segmentation, workflows, email automation, reporting, and campaign performance. Track campaign performance and product marketing KPIs, providing recommendations to improve adoption, engagement, and sales conversion. Coordinate with internal stakeholders to ensure consistent product messaging across all customer touchpoints. Requirements Prior marketing experience within crypto, blockchain, digital assets, or Web3 (required) Experience in product marketing, B2B SaaS marketing, or go-to-market strategy preferred Strong experience with HubSpot, email marketing, CRM management, and marketing automation Experience creating product messaging, customer communications, newsletters, and sales enablement materials Excellent written and verbal communication skills with the ability to explain technical concepts to business audiences Experience supporting webinars, conferences, executive events, and customer-facing marketing programs Highly organized, detail-oriented, and able to manage multiple concurrent product launches and campaigns Self-starter with a strong sense of ownership and accountability Native English speaker Based in the United States (ideally East Coast) ❤️ Well Being, Compensation and Benefits We care about your well-being. Along with excellent health insurance, we offer flexible time off, learning & development initiatives and hours that are designed to provide work/life balance.  We regularly host team-building sessions and encourage discussions around mental health.   We reward talent and believe in acknowledging people for their contributions.  We offer industry-leading compensation, along with generous equity.  As a rapidly growing business, there are endless opportunities to grow your career with Merkle Science.

Location: Remote (Global); Brooklyn, NY Looking to join a world-class blockchain development team? Ava Labs makes it simple to deploy high-performance solutions for Web3, led by innovations on Avalanche. The company was founded by Cornell computer scientists, who partnered with Wall Street veterans and early Web3 leaders to execute a promising vision for redefining the way people build permissionless networks. Ava Labs is redefining the way people create value with Web3. Join us as we empower people to easily and freely digitize all the world’s assets on one open, programmable blockchain platform. About the Role Looking to join a world-class blockchain development team? Ava Labs makes it simple to deploy high-performance solutions for Web3, led by innovations on Avalanche. The company was founded by Cornell computer scientists, who partnered with Wall Street veterans and early Web3 leaders to execute a promising vision for redefining the way people build permissionless networks. Ava Labs is redefining the way people create value with Web3. Join us as we empower people to easily and freely digitize all the world’s assets on one open, programmable blockchain platform. We are looking for a Staff Engineer to join our Platform Engineering Group. This team is responsible for maintaining and advancing the Avalanche blockchain and its ecosystem. Ava Labs is hiring a Staff Engineer into the Platform Engineering Group to serve as a full-time maintainer of AvalancheGo and the technical anchor for the node domain: consensus, peer-to-peer networking, state sync, the VM plugin interface, and the node's integration with the C-Chain EVM (coreth and libevm). This is a hands-on role that requires an Architect/Solver build, with tech lead responsibilities during coordinated network upgrades. You will own the health of the codebase, set the technical direction of the domain across the teams that build on it, and multiply the effectiveness of the engineers around you. What You Will Do - Own AvalancheGo as its maintainer: Maintain and advance the software powering the Avalanche network, as well as its environments. Manage contributions from both the team and the community in a fair, effective, and thoughtful manner. You hold the merge bar for network-critical code; assess contributions from the team and the community fairly and quickly, and steward backwards compatibility for the node operators and Avalanche L1 builders downstream of every release. Your review will be the last gate before code reaches every validator. - Set and enforce engineering standards. Define what production quality means for the team. - Design, build, and advance Avalanche’s critical systems. You’ll be contributing directly to the critical systems in the Avalanche network: consensus, networking (P2P), state management and sync, the VM interface, and performance of both the network nodes and their EVM integrations. - Champion reliability and production readiness. Establish observability standards (structured logging, metrics, tracing, profiling), define SLOs for node performance, and lead incident review and postmortem culture for network incidents. - Raise and define release quality. Own the engineering lifecycle for network-critical code: versioning and upgrade coordination, backward compatibility, staged rollouts across test networks, and hard test quality metrics (unit, property, fuzz, race-detection, and end-to-end network tests) before anything ships. - Mentorship. Mentor senior engineers into larger scope, run design reviews that measurably change outcomes, and spread your context deliberately so the team can onboard, operate, and extend the node without you.Turn a team of individual contributors into a team with shared standards, shared context, and a high quality ceiling. Becoming a single point of failure is a failure mode of this role, and you will be expected to resist it. - Evangelize the project within the org: Write ADRs, release notes, and technical communications; engage external contributors; and model what a great open source citizen looks like. - Drive protocol direction through the ACP process. You originate and champion Avalanche Community Proposals, represent the node's constraints in protocol design conversations, and position AvalancheGo for upgrades before they activate on Fuji and Mainnet. Your bets play out over 6 to 18 months. What Makes You a Good Fit - A self-starter with insatiable curiosity combined with being comfortable diving into someone else’s code to understand how it works. You treat the code as the source of truth and are able to discern nuances from there. - Meticulous attention to detail and an appreciation for clean, maintainable code. You create software as much for the end user as for the love of the craft. - You believe in growing a culture of excellence. As a Staff Engineer you will set the definition for development standards among your team, as well as cultivating the quality you want to see in the developers you work with. - You understand what makes a great open source project great. Not just in terms of code quality, but in terms of its ecosystem, its community, and its contributors - You have operated at Staff scope before, irrespective of whatever your title said. You can point to a workstream you created rather than inherited, one that other teams came to depend on, and to the case you built to get it funded. - You influence without authority. You have driven technical direction across teams that did not report to you, through alignment and credibility rather than escalation, and engineers from those teams would vouch for it. - You treat the code as the source of truth. You are comfortable diving into a large unfamiliar codebase, discerning its nuances from the source, and making impactful contributions within weeks. - You know what makes a great open source project great: the code quality, and equally the review culture, the contributor experience, and the trust of the ecosystem that depends on it. You have been on the maintainer side of that relationship. - You hold a high bar and make it stick. You have set standards that other engineers actually follow, pushed back when work below the bar tried to land, and done it in a way that made people want to work with you rather than around you. - You still do the unglamorous work visibly. Reviews, on-call, migrations, and documentation remain part of the job at this level, and you treat them as the job rather than a distraction from it. This Role Is Not for You If - You want to write smart contracts or build dapps. This is node and protocol engineering, several layers down. - You want a purely advisory position. - You consider reviews, on-call, migrations, and documentation to be beneath the level. They remain part of the job, done visibly. - You are uncomfortable working in public. Your code, your reviews, your design docs, and occasionally your mistakes will be visible to the entire ecosystem. What You Will Bring - 8+ years of software engineering experience, including 3+ years operating at a staff/lead level (or clearly performing at that scope), with a track record of raising team-wide engineering quality. - Expert-level Go: deep fluency with the concurrency model (goroutines, channels, the race detector), profiling and performance tuning (pprof, benchmarks), module and dependency management, and idiomatic API design in large codebases. - Significant open source experience - maintainer or sustained core contributor on a widely used project, with a public record of reviews, RFCs/design docs, and community engagement (a GitHub profile we can read is worth more than any bullet on a resume). - Proven production experience designing, shipping, and operating distributed systems at scale: consensus or replication, P2P networking, state synchronization, or comparable high-availability systems. - Strong testing discipline across the pyramid: unit, property-based/fuzz, integration, and end-to-end network testing, plus experience building CI that enforces it (GitHub Actions preferred). - Experience with release engineering for software users self-host and cannot be force-upgraded: semantic versioning, backward compatibility, migration paths, and coordinated network upgrades. - Working fluency with Linux-based infrastructure, containerization (Docker/Kubernetes), and observability tooling (Prometheus/Grafana or equivalent). - BS in Computer Science or related field, or equivalent demonstrated experience. (**This is not a guarantee of compensation or salary, a final offer amount may vary based on factors including but not limited to experience and geographic location.) WHY AVA LABS? Ava Labs builds Avalanche, the blockchain platform institutions use to bring finance onchain. Since Avalanche launched in 2020, we have helped exchanges, banks, asset managers and fintechs move from experiments to live products, from tokenized funds and private credit to stablecoin payments and, now, the clearing and settlement ledger for the NYSE’s upcoming tokenized securities platform. Avalanche lets institutions run their own purpose-built networks with the performance, costs and participation controls they need, while staying connected to a broad ecosystem of DeFi protocols, liquidity and developers. We are a team of experts in engineering, finance, economics, product and law, headquartered in New York City. You will work alongside people who have built at leading banks, exchanges and crypto companies, with the scope to shape how capital markets move onchain over the next decade. Ava Labs is backed by investors including Andreessen Horowitz, Polychain Capital and Initialized Capital. Ava Labs is committed to diversity in the workplace and we’re proud to be an Equal Opportunity Employer. We do not hire on the basis of race, color, religion, creed, gender, national origin, citizenship, age, disability, veteran status, marital status, pregnancy, parental status, sex, gender expression or identity, sexual orientation, or any other basis protected by local, state or federal law. All employment is decided on the basis of qualifications, merit, and business need.

Location: South Asia (Remote) Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves. Across our multiple offices globally, we are united by our core principles: We Before Me , Do the Right Thing , and Get Things Done . These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er. OKX is part of OKG, a group that brings the value of Blockchain to users around the world, through our leading products OKX, OKX Wallet, OKLink and more. About the Opportunity What You'll Be Doing Develop, manage, and optimise affiliate campaigns; develop new affiliate networks and improve the performance of existing affiliates Mainly focus on expanding the influencer resources in the local market, which could bring trading users and income to the platform Devise creative ways to identify potential affiliates Optimise the strategy of business development and plan corresponding actions to ensure the conversion rate Analyse user habits and user behaviour, and judge the trend of business development What We Look For In You 3+ years of affiliate marketing/business development experience in the Cryptocurrency space Experience in building large affiliate networks from start to finish Experience with analytical tools and reporting such as Google Analytics and Amplitude Understanding of fundamental affiliate customer acquisition KPIs and optimization methods to improve performance through data analysis and segmentation Fluency in 1 or more South Asia Lanaguage (Urdu, Punjabi) and English Perks & Benefits Competitive total compensation package L&D programs and Education subsidy for employees' growth and development Various team building programs and company events More that we love to tell you along the process! Notice: All official OKX vacancies are published on this website. While roles may appear on selected third-party platforms from time to time, information on other sites may be inaccurate or outdated. If in doubt, please apply directly through our official careers website. Information collected and processed as part of the recruitment process of any job application you choose to submit is subject to OKX 's Candidate Privacy Notice .

Location: Sliema, Malta Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves. Across our multiple offices globally, we are united by our core principles: We Before Me , Do the Right Thing , and Get Things Done . These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er. OKX is part of OKG, a group that brings the value of Blockchain to users around the world, through our leading products OKX, OKX Wallet, OKLink and more. About the Opportunity Interacts with customers to address their inquiries and problems in real-time. Quick responses through live chat and professional, courteous customer service are among your duties. Additionally, following up on help requests usually requires email communication as part of your tasks. What You’ll Be Doing Handling inquiries and issues from global customers in multiple languages through various channels, including email, chat, and voice. Collaborating with internal and external stakeholders, such as product managers and the marketing team, to address complaints and feedback related to websites, products, platforms, and services, etc. Maintaining a strong understanding of company products to effectively communicate with customers in their preferred language. Establishing and nurturing strong relationships with company partners and external stakeholders. Escalating any queries or unresolved issues to Level 2/Supervisors as directed by the operations management when they can not be resolved within standard procedures What We Look For In You A Diploma in finance, customer service & relations, linguistics, crypto-related studies, or a related field. At least 2 years of experience in language-related roles, including translation, interpretation, or localization. Proficiency in both spoken and written language relevant to the job, along with a high level of English & another European (French, Spanish, Portugese, Polish, German etc.) language proficiency. Ability to work independently in a fast-paced environment and deliver multilingual support. Willingness to work according to a given schedule to support 24x7 language-related operations. Strong interpersonal skills: the ability to navigate challenging language situations and remain composed under pressure. Problem-solving mindset: a dedication to finding the right linguistic solutions for customers, overcoming language barriers, and making cost-efficient decisions. Excellent time management: the ability to handle multilingual tasks effectively while managing time efficiently. Quick learner: the ability to quickly grasp new linguistic concepts and adapt to the evolving language needs of customers Nice to Haves Familiarity with cryptocurrency and/or finance-technology industry. Working knowledge of CRM tools, such as Zendesk. Basic computer knowledge: MacOS, Lark, Microsoft Office, and G-Suite Perks & Benefits Competitive total compensation package L&D programs  for employees' growth and development Various team building programs and company events Wellness and meal allowances Comprehensive healthcare schemes for employees and dependants More that we love to tell you along the process! #LI-GB1 #LI-HYBRID Notice: All official OKX vacancies are published on this website. While roles may appear on selected third-party platforms from time to time, information on other sites may be inaccurate or outdated. If in doubt, please apply directly through our official careers website. Information collected and processed as part of the recruitment process of any job application you choose to submit is subject to OKX 's Candidate Privacy Notice .

Location: Kuala Lumpur, Malaysia About Us Established in 2018, Bybit is one of the world’s leading cryptocurrency exchanges and digital financial platforms, serving over 80 million users across more than 200 countries and regions. Powered by world-class technology and a user-first mindset, Bybit delivers a seamless ecosystem across trading, payments, wealth management, custody, institutional services, and Web3 — connecting users to the future of digital finance. Our core values define how we build. We listen, care and improve to create products and experiences that put users first. Backed by a global team of ambitious builders, problem-solvers, and innovators, we foster a high-performance and fast-moving environment where talent is empowered to drive real impact at the global scale. Supported by 24/7 multilingual customer service and a strong commitment to innovation, we are shaping the future of finance through technology, collaboration, and bold execution. Today, Bybit is recognized as one of the most trusted and transparent platforms in the digital asset industry, continuing to expand its global presence while building the infrastructure for the next generation of financial services. About the Role We're looking for a Senior Product Manager to join our Platform Product team, working on mission-critical systems that power our global infrastructure. Depending on your background and strengths, you'll focus on one or more of the following areas: Compliance & Regulatory Products — Translating global regulatory frameworks (MiCA, VASP, MAS) into scalable product solutions; KYC/AML systems; market launch and business migration User Account & Identity — Account architecture, authentication, security & risk control, user lifecycle management Fund & Asset Infrastructure — Deposit/withdrawal systems, unified trading accounts, multi-chain asset management, RWA integration AI-Powered Products — LLM/RAG/Agent applications for customer-facing and internal efficiency use cases Key Responsibilities Define product strategy and roadmap for platform-level systems serving millions of global users Translate complex business, regulatory, or technical requirements into clear product specifications Drive cross-functional execution across engineering, design, compliance, and operations Own end-to-end product delivery from discovery through launch and iteration Build scalable product frameworks that balance user experience, security, and regulatory requirements Requirements 7+ years of product management experience, with 3+ years in relevant domains (compliance, account systems, payments/funds, or AI products) Background in crypto exchanges, fintech, brokerage, or large-scale internet platforms Strong systems thinking — comfortable with architecture-level product design Proven ability to ship complex, cross-functional products in fast-moving environments Excellent English communication skills for global stakeholder engagement Data-driven decision making with strong analytical skills Preferred Qualifications Experience at leading crypto platforms or top-tier fintech/brokerage firms Track record of 0-to-1 product launches in regulated or high-security environments Understanding of blockchain infrastructure, multi-chain architecture, or on-chain asset management Experience with LLM/AI product development and deployment at scale Why Join Us At Bybit, we are committed to fostering a supportive and enriching work environment. Our benefits include: - Study Growth Fund: We support your professional development and continuous learning. - Internal Events: Participate in regular team-building activities, workshops, and events designed to promote collaboration and innovation. - Global Collaboration: Be part of a diverse, international team, working alongside colleagues from around the world. - Career Advancement: Access opportunities for growth and advancement within a rapidly expanding global company. - Internal Mobility: Grow with us- Your long-term development is important to us. We offer internal job opportunities to help build your career path.

Обзор позиции и продукта: Команда развивает инновационные решения, которые делают работу с криптовалютой более прозрачной, доступной и удобной для пользователей по всему миру. Сейчас ищем специалиста, который поможет клиентам ориентироваться в мире цифровых активов и обеспечит высокий уровень сервиса в финансовом продукте. Требования: • 2+ года опыта в Customer Support (FinTech / Payments / Crypto); • Понимание принципов работы криптовалют и non-custodial кошельков; • English B2+ (вся коммуникация письменная); • Белорусский / Украинский и Русский — native или bilingual; • Сильные аналитические навыки и внимание к деталям; • Клиентоориентированность и ответственность. Условия: • Полностью удалённая работа (EU); • Гибкий график; • Работа в быстрорастущем crypto / fintech сегменте; • Текстовая коммуникация (без звонков); • Взаимодействие с международной командой (Compliance, QA, Dev); • Возможность профессионального роста в blockchain-индустрии; • Культура регулярного фидбэка и развития.

Location: Remote - USA Workplace: Remote The R&D team at Chainalysis is inspired by solving the hardest technical challenges and building products that establish trust in cryptocurrencies. We're a global organization that thrives on challenging work and doing it alongside exceptionally talented teammates. Our industry evolves rapidly, and our mission is to build a flexible, AI-driven platform that automates entity resolution, optimizes data labeling pipelines, and creates predictive models that identify illicit patterns before they escalate. Our data and solutions have been used to solve some of the world's most high-profile criminal cases and grow consumer access to cryptocurrency safely. Now, by pairing the industry's most trusted blockchain data with agents that reason, investigate, and act, we help our customers scale their workflows as the cryptocurrency economy becomes increasingly mainstream. Chainalysis data has helped solve some of the world’s highest-profile criminal and national-security cases and made it safer for people everywhere to access crypto. The Global Intelligence Team produces the attribution at the heart of that data — connecting on-chain activity to the real-world entities behind it, across the global crypto ecosystem. It’s the intelligence data moat beneath every Chainalysis product, and what investigators, sanctions authorities, and national-security agencies rely on to follow the money and disrupt threats. Few threats test that mission harder than North Korea and China. Through Lazarus Group, the DPRK has stolen billions in crypto — via exchange and DeFi hacks and IT-worker schemes — to fund its weapons program, then laundered it through mixers, cross-chain bridges, and Chinese OTC networks. China, in turn, sits at the center of global crypto money laundering — from guarantee marketplaces and underground banking to scam compounds, fentanyl vendors, and cartel-linked laundering. The two are deeply intertwined, and making that activity visible on-chain is one of the most consequential problems in crypto intelligence today. As our DPRK- and China-focused intelligence analyst — the team’s subject-matter expert on North Korea and China — you’ll own that problem end to end. This is a depth role: while our analysts cover the breadth of the crypto-services ecosystem, you’ll go deep on a single, high-stakes domain — becoming the person, inside Chainalysis and increasingly across the industry, who understands how DPRK and Chinese actors use crypto and can prove it on-chain. You’ll own the attribution for their crypto footprint, map how these networks actually operate, turn that into finished intelligence customers act on, and be the expert voice representing Chainalysis on DPRK and China crypto threats. Who you’ll work with You’ll join a fast-moving, globally distributed team — analysts, threat-domain SMEs, data scientists, and engineers — collaborating across time zones, async and in real time. We move fast, hold each other to a high bar, and back each other up across regions. As the DPRK & China SME, you’ll be the single point of depth for the domain and a force multiplier for everyone working adjacent to it. In this role, you’ll: - Own DPRK & China attribution end to end — the threat-actor entities, their definitions, and the accounts, addresses, and infrastructure they operate: Lazarus Group and DPRK state-sponsored theft and laundering, DPRK IT-worker networks, Chinese-language OTC and underground-banking networks, guarantee marketplaces (e.g., Huione-style platforms), scam-compound and pig-butchering laundering infrastructure, fentanyl and precursor vendors, and Chinese money-laundering organizations. - Lead the attribution response to DPRK- and China-related sanctions events — when OFAC or allied authorities designate DPRK actors, exchange-hacking units, or Chinese laundering networks, drive the rapid, high-visibility on-chain attribution that turns those designations into coverage in our data, often against the clock. - Map the networks on-chain — trace how stolen and illicit funds move through mixers, cross-chain bridges, no-KYC swaps, OTC brokers, and off-ramps, following DPRK hack proceeds into and through Chinese laundering infrastructure, and keep that picture current as they adapt to pressure. - Produce finished intelligence — advisory notes, customer and partner briefings, and contributions to flagship publications (the Crypto Crime Report and beyond) that make DPRK theft/laundering and Chinese money laundering legible and actionable. - Be the named external expert — represent Chainalysis on DPRK and China crypto threats at conferences, on panels, with the press, and in briefings to public- and private-sector partners. - Help set the DPRK & China collection agenda — surface what data we need on these networks and feed those requirements into our collection process and priority intelligence requirements; you direct collection for the domain, but it runs through the team’s apparatus and prioritization, not you alone. - Translate typologies into detection — turn what you learn about DPRK and Chinese methods into guidance that our products and our customers can operationalize. - Build with AI — design and tune the automation that scales your analysis and the team’s, and handle the hard cases automation can’t. - Level up the team — raise the bar on DPRK, China, and money-laundering tradecraft broadly, and partner closely with analysts, other SMEs, data science, and engineering. We’re looking for candidates who have: - Deep, demonstrable DPRK and/or China expertise — real command of DPRK state-sponsored crypto operations (Lazarus Group, exchange and bridge hacks, IT-worker schemes) and/or Chinese-language money laundering, OTC and underground banking, guarantee marketplaces, and organized-crime finance. This is the core of the role, and we’ll expect you to show it. - On-chain tracing ability against DPRK/China targets — direct experience following DPRK hack laundering or Chinese OTC/laundering networks on-chain, or deep DPRK/China threat-finance expertise paired with proven blockchain-tracing skill you can bring to bear here from day one. - A national-security or threat-finance background — intelligence, sanctions, counter-threat-finance, or investigations, from the IC, Treasury/OFAC, law enforcement, the military, a think tank or research institution, or private-sector CTF/sanctions work. - Regional fluency — a strong grasp of the DPRK and Chinese illicit-finance ecosystems and regional money-laundering flows. Mandarin and/or Korean language ability is a significant plus. - Elite potential and a proven track record — exceptional aptitude, judgment, and work ethic; you’ve led hard problems end to end and you raise everyone around you. - Excellent writing and communication — this is an outward-facing expert role; your intelligence has to land with analysts, customers, and senior audiences alike. - AI-forward instincts — you build automation to scale your work and others’, not just use it. - Comfort working with data; blockchain forensics experience strongly preferred. - 5+ years of relevant analytic, intelligence, or threat-finance experience for a Senior hire; 8+ years and recognized domain authority for a Staff hire. You might also have: - Mandarin and/or Korean language ability. - Direct experience with OFAC sanctions, designations, or the designation process — especially involving DPRK or Chinese entities. - A record of published research or public speaking on DPRK crypto theft, Lazarus Group, or Chinese money laundering. - Familiarity with cross-chain bridge and mixer laundering, guarantee marketplaces (e.g., Huione-style platforms), or Chinese OTC and underground-banking networks. AI at Chainalysis AI is not a feature at Chainalysis - it is a new way of working. One that turns instructions into work done, and helps us move faster than the threats we're built to counter, and we expect our employees to take ownership of the output and ensure quality. As the world's most trusted blockchain analytics platform, Chainalysis sits at a rare intersection of proprietary data, regulatory relationships and crypto expertise that makes it uniquely placed to shape and lead the next era of AI-driven intelligence - and we expect everyone here, regardless of role, to be an active part of it. AI fluency is tied directly to how we measure performance and how we plan to win. There is no substitute for your own curiosity. We provide the tools, workflows, and space to experiment - but the expectation is that you develop these capabilities yourself, bring ideas, and collaborate across teams to reinvent the way work gets done. We are not using AI to do less. We are using it to do what was never possible before. About Chainalysis Chainalysis is the blockchain data platform, making it easy to connect the movement of digital assets to real-world services. Powered by deep blockchain data and AI, organizations can investigate illicit activity, manage risk exposure, and develop innovative market solutions built on the industry's most trusted blockchain intelligence. Our mission is to build trust in blockchains, blending safety and security with an unwavering commitment to growth and innovation. You belong here.  At Chainalysis, we believe that diversity of experience and thought makes us stronger. With both customers and employees around the world, we are committed to ensuring our team reflects the unique communities around us. We’re ensuring we keep learning by committing to continually revisit and reevaluate our diversity culture. We encourage applicants across any race, ethnicity, gender/gender expression, age, spirituality, ability, experience and more. If you need any accommodations to make our interview process more accessible to you due to a disability, don't hesitate to let us know. You can learn more here https://go.chainalysis.com/rs/503-FAP-074/images/Interview%20Accommodations%20Request.pdf. We can’t wait to meet you.

Location: Hong Kong/ Shenzhen Workplace: remote Role Overview CertiK is the global leader in Web3 and blockchain security. We are seeking a high-energy, target-driven Business Development Manager based in Hong Kong to accelerate our growth across the APAC region. In this role, you will lead end-to-end sales cycles—from proactive outbound lead generation to closing deals for our suite of security solutions, including smart contract audits, penetration testing, formal verification, Skynet threat monitoring, and compliance services . You will serve as a bridge between traditional financial institutions entering the digital asset space (Web2) and crypto-native projects (Web3), leveraging your regional market understanding and language capabilities to secure high-value security partnerships. Key Responsibilities Pipeline Generation & Outbound BD: Actively identify, prospect, and engage decision-makers (CTOs, Founders, Head of Web3/Digital Assets) across blockchain protocols, DeFi projects, RWA tokenization platforms, exchanges, and Web2 institutional entrants. Full Sales Cycle Execution: Drive complex, multi-stakeholder sales cycles from initial outreach and technical discovery to proposal creation, price negotiation, and contract execution. Enterprise & Institutional Sales: Engage traditional financial institutions, asset managers, family offices, and tech enterprises seeking institutional-grade security for their Web3 initiatives. Cross-Functional Collaboration: Work closely with CertiK’s global security engineering, solutions architecture, delivery, and marketing teams to ensure smooth deal execution and client onboarding. Account Expansion & Networking: Build long-term relationships with key accounts to drive renewals, audit add-ons, and monitoring subscriptions. Represent CertiK at local industry events, conferences, and ecosystem meetups. Key Requirements & Qualifications Experience: 2–5 years of successful B2B sales or business development experience in Web3, blockchain security, cybersecurity, SaaS, or institutional fintech. Domain Knowledge: Strong familiarity with Web3 native ecosystems (EVM chains, Layer 1/Layer 2 protocols, DeFi, tokenomics, smart contract architectures). Good understanding of Web2 cybersecurity fundamentals (e.g., penetration testing, code review, risk assessments). Core Languages: Professional working proficiency (written and spoken) in English and Mandarin for regional collaboration and global client management. Track Record: Proven ability to meet or exceed quarterly sales quotas through structured outbound outreach and consultative deal closing. Language & Skills Bonuses (Highly Preferred) Cantonese Advantage (Bonus): Native or full professional fluency in Cantonese is a strong advantage for localized Hong Kong institutional coverage, government/regulatory networks, and local Web3 builders. Regional Asian Languages (Bonus): Proficiency in additional regional languages—such as Japanese, Korean, or Vietnamese, —is a significant bonus for driving APAC cross-border expansion or local market expansion. Security & Audit Familiarity: Direct experience selling smart contract audits, penetration tests, or bug bounty services. Regulatory Context: Understanding of Hong Kong’s digital asset licensing landscape (e.g., SFC VASP regulations, HKMA stablecoin frameworks). Education: Bachelor’s degree in Computer Science, Cybersecurity, Finance, Business Administration, or a related field. This role must be performed outside the United States. We are unable to consider candidates who will work from within the U.S.

Location: Hong Kong, Hong Kong SAR; Singapore, Singapore Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves. Across our multiple offices globally, we are united by our core principles: We Before Me , Do the Right Thing , and Get Things Done . These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er. OKX is part of OKG, a group that brings the value of Blockchain to users around the world, through our leading products OKX, OKX Wallet, OKLink and more. About the Opportunity As a Staff Engineer, y ou'll own the build-out of our security engineering and DevSecOps capabilities: designing and developing the security products, platform services, and SDKs/Agents that embed protection directly into how code is written, built, shipped, and run. This is a role for someone with real depth in security, broad coverage across the stack, and the engineering muscle to ship. Just as important is the ability to drive adoption — security that lands in complex, fast-moving business environments rather than sitting in a policy document. What You’ll Be Doing Architect and build our end-to-end DevSecOps platform and the SDKs/Agents behind our security products, covering code, build, artifacts, images, deployment, and runtime. Lead runtime protection through RASP and Java Agent — bytecode instrumentation, runtime hooking, and detection/interception engines using ASM, ByteBuddy, and Instrumentation, with continuous tuning for performance, stability, and compatibility. Integrate and productise scanning capabilities across SAST, DAST, IAST, SCA, code scanning, and image scanning. You'll embed tools like SonarQube and Coverity deep into CI/CD and close the loop from detection through blocking, remediation, and re-test. Go deep on application security offence and defence — designing detection, remediation, hardening, and counter-measures for XSS, SQL injection, SSRF, deserialisation, command execution, authentication/authorisation flaws, and API security. Bring AI-native security engineering to life. Apply LLMs and AI Agents to vulnerability analysis, rule generation, false-positive attribution, remediation guidance, security knowledge capture, and engineering automation — and build a coherent view of the architecture, mechanics, and security implications. Embed as the security technical expert inside engineering teams, driving security standards, onboarding specifications, release gates, risk tiering, and remediation mechanisms that measurably lift the security baseline and delivery quality. Partner across engineering, architecture, SRE, QA, and business teams on priority projects, solving the genuinely hard security problems and turning the solutions into reusable platform capability and repeatable practice. What We Look For In You Strong computer science and security fundamentals — deep understanding of operating systems, networking, compilers and the JVM, distributed systems, application security, cloud-native security, and supply chain security. Both breadth and depth. Expert-level Java, with hands-on depth in the JVM, ClassLoader, Java Agent, ASM, ByteBuddy, bytecode instrumentation, and performance profiling and tuning. Plus working proficiency in Python or Go. Substantial production experience with RASP, SAST, DAST, IAST, SCA, image security, and code scanning — enough to design a capability, integrate the engine, build the platform around it, and take it to scale independently. Real offensive and defensive experience. You understand the root causes, exploitation paths, detection logic, bypass techniques, and fixes for common web, API, and microservices vulnerabilities — and can design from both the attacker's and defender's point of view. Fluency with LLMs and AI Agents, including a considered view on model capability limits, agent architecture, tool calling, context engineering, evaluation methods, and how AI is reshaping both security engineering and the attack surface. Strong engineering execution paired with product instinct — able to lead the design and delivery of security products, platform modules, and SDKs/Agents while balancing security outcomes against performance overhead, integration cost, and long-term operability. Exceptional ownership, cross-team communication, and the persistence to move security governance, rule enforcement, and remediation through to a clear result. Nice to Haves Security engineering experience at a top-tier internet company, cloud provider, or leading security vendor You've led the build of a DevSecOps platform, application security platform, RASP, code scanning platform, or cloud-native security platform Background in security product development, SDK/Agent engineering, vulnerability research, red team exercises, or purple team work Shipped AI + Security work — security copilots, intelligent rule generation, automated analysis, or remediation recommendation systems Perks & Benefits Competitive total compensation package L&D programs and Education subsidy for employees' growth and development Various team building programs and company events Wellness and meal allowances Comprehensive healthcare schemes for employees and dependants More that we love to tell you along the process! Notice: All official OKX vacancies are published on this website. While roles may appear on selected third-party platforms from time to time, information on other sites may be inaccurate or outdated. If in doubt, please apply directly through our official careers website. Information collected and processed as part of the recruitment process of any job application you choose to submit is subject to OKX 's Candidate Privacy Notice .