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Location: Hong Kong, Hong Kong SAR; 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 About OKX 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 The Trading Service team is the backbone of our exchange's industry-leading trading product, which is utilized by millions of users. We are responsible for the core order and position management systems, enabling a full spectrum of trading products, including manual, automatic, and social trading, as well as brokerage services. Our platform supports diverse financial instruments such as spot, margin, futures, options, and perpetuals. Join our elite Trading Service team as a Senior Staff Software Engineer, where you will be a pivotal technical leader shaping the future of our ultra-low latency, high-throughput trading platform. This is a highly impactful individual contributor role for an exceptional engineer with a deep passion for financial markets and cutting-edge technology. You will own and drive the architectural direction for critical system components, solve the most complex technical challenges across multiple teams, and significantly influence our engineering practices and technical roadmap. Your work will directly empower millions of users and underpin the efficiency of our industry-leading exchange. What You’ll Be Doing Define and own the long-term technical architecture and strategy for core trading platform components, ensuring alignment with business goals and operational excellence Spearhead the design and implementation of highly challenging, ambiguous, and cross-cutting technical projects that span multiple engineering teams Identify and eliminate critical performance bottlenecks across the entire trading architecture, implementing advanced low-latency and high-throughput solutions in Java Serve as a definitive technical authority and subject matter expert in core trading systems and Java performance; provide technical guidance, code reviews, and mentorship to senior and mid-level engineers Stay abreast of industry trends, research emerging technologies (e.g., new concurrency models, hardware acceleration), and propose innovative solutions to enhance the platform's competitive edge Design highly resilient, fault-tolerant systems and drive best practices in monitoring, alerting, incident response, and post-mortem analysis for mission-critical trading infrastructure Collaborate extensively with Stakeholders to translate strategic business needs into highly efficient and scalable technical solutions; influence product roadmaps from a technical feasibility and architectural sustainability perspective Evangelize and enforce high standards in software engineering design, coding, testing, and deployment practices across multiple teams What We Look For In You Bachelor's or Master's degree in Computer Science, Software Engineering, or a related technical field (or a strong STEM education background) Expert-level proficiency in modern C++, with deep knowledge of memory management, lock-free concurrency, template metaprogramming, and compiler-level performance tuning 10+ years of extensive professional experience designing, building, and operating high-performance, ultra-low latency distributed systems in Java Expert-level proficiency in Java for performance-critical applications, including profound knowledge of JVM internals, garbage collection tuning, and advanced concurrency patterns Proven experience as a technical leader or architect for major system components, demonstrating the ability to drive technical direction, with exceptional expertise in message-oriented middleware Deep understanding of network protocols, OS-level optimizations (Linux), hardware considerations, database technologies (SQL and NoSQL), and strong track record of driving DevOps practices, CI/CD, and monitoring Nice to Haves PhD in Computer Science, Electrical Engineering, Physics, Mathematics, or a related quantitative discipline Direct experience leading the architecture or core development of matching engines, market data processing systems, or complex algorithmic trading strategies in an HFT environment In-depth knowledge of FIX Protocol and other relevant financial industry messaging standards Experience with hardware-level optimizations, FPGA/ASIC acceleration, or specialized networking components Active contributions to significant open-source projects, academic publications, or industry conferences in low-latency computing or FinTech 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-ML1 #LI-ONSITE 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: Cyprus; Serbia; Georgia; Armenia; Kazakhstan; Belarus Workplace: remote About the Team   We are Quadcode, a fintech company excelling in financial brokerage activities and delivering advanced financial products to our global clientele. Our flagship product, an internal trading platform, is offered as a Software-as-a-Service (SaaS) solution to other brokers. We are looking for a Product Manager who will be responsible for everything to do with the movement of customers’ funds: from the moment funds leave or arrive at our end, right through to their arrival in the customer’s bank account. The Product Manager works directly with the billing managers and the development team, which is responsible for integrating new payment methods and billing features. Requirements 3+ years experience working with billing and payments, including the integration of payment providers and various payment methods; Understanding of deposit and withdrawal mechanics, transaction statuses, payment cascading, and routing; Experience in high-risk sectors — for example, billing for Forex brokers or other segments involving a large number of providers and countries; Regulatory frameworks for payments: KYC/AML, limits, and requirements across various jurisdictions; Ability to work with key payment metrics, such as approval rates, conversion rates for first and repeat deposits, and withdrawal success rates; Hands-on data work: SQL, metrics, cohorts, A/B tests; Working with AI tools in daily tasks; Russian Native, English B2+. Key responsibilities Deposit funnel: reducing the number of steps, implementing country-specific payment methods, and increasing the success rate of transactions; Withdrawals: managing processing times, ensuring transparent status updates, and minimizing "where is my money?" inquiries; Payment providers: onboarding and replacing providers, managing routing and cascading, and integrating local payment methods for new markets; Data and requirements: tracking domain-specific metrics, conducting experiments with control groups, defining user stories, and developing quarterly roadmaps. What we offer Flexible working hours and remote; Influence straight to the product; Full creative freedom and independence; Professional development alongside the growth of the project; Access to cutting-edge AI tools and platforms; Positive and friendly atmosphere. With a team of 500+ creative and tech-driven people across the globe, Quadcode is the place where ideas turn into impact, where every project is a chance to grow, innovate, and make your mark.   Join us today, and let's shape the future of fintech together!   Note: All applications will be treated with strict confidence. We thank all applicants for their interest, however, only those candidates selected for interviews will be contacted.   #LI-LR1

Location: Bukit Bintang, Malaysia Responsibilities: - Evaluating business processes, anticipating requirements, uncovering areas for improvement, and developing and implementing solutions. - Coordinate with risk dept on leverage changing request, or any escalated trading issues -Communicate with TL and sales on regular basis to perform specific IB request or re-organizing network structure -Liaising with technology provider on any complex situation dispute - Cross checking with PSP on funding issues - Managing internal ticketing on any feedback or issues arise within the dept -Performing financial checks on any transaction or transfer within the system - Collecting appropriate information of any complaint on technical perspective l-Performing KYC validation and responsible for opening, amending, reviewing and exiting clients according to established policies and procedures. - Contributing continuous improvement to enhance the operational efficiency and effectiveness of fraud operation processes. Requirements Requirements: -A bachelor’s degree in business or related field.-A minimum of 5 years of experience in business analysis or a related field in Brokerage Backoffice. -Exceptional analytical and conceptual thinking skills. -Advanced technical skills. -Great attention to minute details, meticulously excellent to numbers and procedures. -Fundamentally analytical and conceptual thinking skills. -Experience creating detailed reports and giving presentations. -Competency in Microsoft applications including Word, Excel, and Outlook. -A track record of following through on commitments. -Excellent planning, organizational, and time management skills. -Experience in a stock-broking business, in either IT or back office operations would be a significant advantage

Location: Japan CXM Direct LLC, a leading global FX & CFD broker, is seeking a talented and dynamic Account Executive to join our team. As an Account Executive, you will be responsible for managing and expanding relationships with existing clients. This is an exciting opportunity to contribute to the growth of our company and develop your career in the financial services industry. As an Account Executive, you will serve as the primary point of contact for clients, understanding their needs, providing excellent customer service, and ensuring their satisfaction. You will be expected to build strong relationships, identify upselling opportunities, and drive revenue growth. This role requires strong interpersonal skills, a proactive mindset, and the ability to thrive in a fast-paced environment. Responsibilities Manage and expand relationships with existing clients to drive retention and growth Proactively identify upselling opportunities and collaborate with the sales team to maximize revenue Understand client needs and provide customized solutions and support Address client inquiries, resolve issues, and provide excellent customer service Stay up-to-date with industry trends and market conditions Collaborate with internal teams to ensure client satisfaction and successful implementation Prepare reports and present updates on client performance and account metrics Requirements Bachelor's degree in Business, Finance, or a related field Proven track record in account management or sales within the financial services industry Strong knowledge of the FX and CFD markets Excellent relationship-building and communication skills Ability to understand client needs and provide tailored solutions Strong problem-solving and negotiation skills Self-motivated and able to work independently Proficient in Microsoft Office suite Experience in the brokerage industry is a plus Japanese speaker and able to understand English Benefits Social Insurance coverage Bonus as per state regulation Annual Team Building

Location: Cyprus Workplace: hybrid About the Team We are Quadcode, a fintech company excelling in financial brokerage activities and delivering advanced financial products to our global clientele. Our flagship product, an internal trading platform, is offered as a Software-as-a-Service (SaaS) solution to other brokers. About the role We're looking for a Linux Administrator to join our Infrastructure team, responsible for building, operating and continuously improving all of our infrastructure services — from core services to observability and private clouds. Our infrastructure supports the stable operation of a large-scale trading platform and includes 2,000+ virtual machines and 300+ physical servers, running predominantly on Ubuntu. The stack ranges from core services like LDAP, PowerDNS and NTP, to an observability stack (Prometheus, Thanos, Loki, Grafana, Jaeger) and private clouds based on OpenStack and Kubernetes, as well as services such as GitLab, Artifactory and Vault. You’ll work in a team of experienced infrastructure engineers, using Scrum and Agile practices, with two-week sprints and a strong focus on automation, reliability and continuous improvement. The position is hybrid, with 3 days per week from our office in Limassol or Larnaca, with a flexible start time — anytime before 12:00 pm EET/EEST. Why this role? You’ll be part of the team responsible for the production environment behind products used by millions of users, working directly with development teams, helping them troubleshoot infrastructure-related issues and keep their services running reliably in production. It’s a good fit for an engineer who enjoys troubleshooting, automation and making infrastructure more reliable and scalable, rather than simply maintaining servers. Tasks Oversee various services and associated infrastructure components, including DNS, Gitlab, Artifactory, Vault, Loki, Prometheus etc; Perform day-to-day operational tasks such as upgrades, CVE patching, backup and restore, security scans, and monitoring; Design, configure, maintain and troubleshoot Linux systems across different environments, including bare metal, virtual machines and containers. Resolve incidents, provide support coverage, categorize issues, conduct post-mortems, and perform root cause analysis; Manage and support private clouds (Openstack and Kubernetes); Ensure environments are stable and adhere to availability SLAs; Work towards reducing operational effort; Automate repetitive operational tasks and continuously reduce manual effort; Collaborate with development teams to troubleshoot infrastructure-related issues in production; Keep infrastructure documentation and operational procedures up to date; Engage in constant upskilling to stay updated with industry best practices. Requirements 3+ years of professional experience as a Linux System Administrator, DevOps Engineer, or Site Reliability Engineer, with a focus on infrastructure. Extensive experience in designing, building, configuring, and troubleshooting Linux servers across various environments (bare metal, container, cloud); Experience with Linux server configuration, maintenance and troubleshooting in production. Understanding of process control, logging and Linux service management. Experience with infrastructure services such as Vault, Artifactory, DNS and similar platform components. Proficiency with automation tools such as Chef, Ansible, or Salt; Experience with Docker, Kubernetes and containerized environments; Experience with monitoring and log aggregation tools like Grafana, ELK, or Graylog; Experience in deploying and maintaining systems on cloud solutions such as OpenStack, VMware, Proxmox, or public cloud platforms such as AWS, GCP, Azure. Skilled in scripting languages such as Bash and Python; Familiarity with configuring various servers and databases, including Apache Tomcat, Nginx, MySQL DB, PostgreSQL, Kafka, RabbitMQ, etc; Experience with DevOps tools and CI/CD workflows. At least C1 in Russian and B1 in English. Nice to have Hands-on experience with Kubernetes, including troubleshooting workloads and cluster-related issues. Hands-on experience with OpenStack, including deployment, configuration, maintenance or troubleshooting of private cloud environments. Hands-on experience with Chef. Experience with GitLab CI/CD, Jenkins or GitHub Actions. Experience working with fintech/trading, or other high-load and mission-critical systems. We offer Hybrid work model in our brand-new offices (Limassol or Larnaca). Health insurance and mental health services. 13th salary and 21 vacation days per year. Sick leave without medical certificate: 3 days per quarter. Catered breakfast and lunch at the office. Tuition reimbursement (kindergartens/schools). Onsite Gym. Corporate events and workshops. Bonuses for special events (e.g., child's birth). Birthday and anniversary gifts. Company-provided laptop. Corporate AI subscriptions (Claude, Gemini, GPT, etc.). Access to a rewards marketplace offering a variety of products and language courses, redeemable using the company’s internal currency. With a team of 500+ creative and tech-driven people across the globe, Quadcode is the place where ideas turn into impact, where every project is a chance to grow, innovate, and make your mark. Join us today, and let's shape the future of fintech together! Note: All applications will be treated with strict confidence. We thank all applicants for their interest, however, only those candidates selected for interviews will be contacted. #LI-JM1

Location: Limassol; Nicosia; Athens; Thessaloniki; Fully Remote - in other eligible locations Workplace: hybrid The Role: Our team is expanding and we are hiring several high caliber SDET (Software Development Engineer in Test) - Python to join our fast-growing team. You will work with world class specialists in a friendly, supportive and open-minded environment on challenging goals that will help you to grow professionally and achieve new technical levels. This role will focus on improving and monitoring product quality via test automation framework development and test coverage extension for functional and performance suits. You will work with the most valuable part of the product - a Forex brokerage core. If you enjoy working with pure API, Python, cutting-edge technologies, Kafka and AWS, this role is for you. The main responsibilities of the position include: Work in close cooperation with the development team to enhance software delivery and quality throughout the entire software development cycle Understand and translate high level business requirements to technical requirements Advise on efficient performance testing strategies for enhancing delivery and quality throughout the full software development cycle Develop formal test procedures and test plans from internal product design documentation as well as from external certification requirements Design, develop and modify functional and performance automation tests Design and implement test automation framework, required libraries and auto-tests Develop emulators for mobile testing Build CI/CD pipelines and integrate automation scripts into CI tools Manage any issues that may arise and drive resolutions throughout the testing process Share technical expertise with the rest of the QA team Actively participate in the Software Development Life Cycle and Software Testing Life Cycle Main requirements: BSc/MSc in Computer Science, Software Engineering or similar Minimum 2 years of comprehensive experience in quality assurance Minimum 2 years of practical experience in Python development Strong hands-on experience in designing and developing automated tests using Python Strong technical background Experience in testing REST API Confident knowledge of Git Experience in agile software development methodologies and testing procedures Strong interpersonal skills Very good written and verbal skills in English The following will be considered an advantage: Experience with testing framework development Experience with asynchronous and multithreading programming Experience in testing web sockets Experience with Docker Experience with  Grafana Experience in performance testing Experience in the Finance/Forex domain Benefit from: Attractive remuneration package plus performance related reward Intellectually stimulating work environment Continuous personal development and international training opportunities The Hiring Experience: What Awaits You Let’s Connect – Intro Chat with Talent Acquisition Deep Dive – First Interview with Your Future Team Final Connection – Final Interview All applications will be treated with strict confidentiality!   By submitting this application, I confirm that I have read and agree to the terms of the Privacy and Data Protection Notice and the Confidentiality Undertaking.