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Location: Warsaw, PL Workplace: remote You are a great fit if… Your inner leader can make an impact on our existing processes and perform under pressure. You are ok with working in a remote environment and take lead on multiple projects. You have experience working with product development teams (Design, Development). You know how to gather requirements from the client and translate it into epics and high-level user stories based on the client’s business requirements. You know how to communicate the vision to all cross-functional teams involved. You have experience conducting workshops with clients and the product team to plan future roadmap. Manage communications with product stakeholders You have an understanding of product lifecycle and how to work in an Agile / Waterfall / Hybrid environment. You know how to set up Jira Software and implement other PM tools that might be needed. Ensure timely delivery of products to customers with the highest standards of quality. Nice to have You are familiar with UX fundamentals. You have a technical background. We have 2 steps in the recruitment process 1 — Interview with the Recruitment Specialist 2 — Interview with the Head of Delivery What we offer Competitive compensation based on your experience and expertise Long-term contract-based collaboration A collaborative and open environment Flexible collaboration arrangements

Location: Home based - Worldwide Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. Our customers include the world's leading public cloud and silicon providers, and industry leaders in many sectors. The company is a pioneer of global distributed collaboration, with 1200+ colleagues in 75+ countries and very few office-based roles. Teams meet two to four times yearly in person, in interesting locations around the world, to align on strategy and execution. The company is founder-led, profitable, and growing. Canonical is building a team dedicated to providing security coverage across a wide range of ecosystems and environments, working to make the world a better, safer place. We are hiring an Ubuntu Security Engineer to join an industry-leading security engineering team and help protect the open source community and Ubuntu users from emerging threats. We are looking for candidates across all levels of experience, from Graduate to Senior. As part of the Ubuntu Security Team, you will work with some of the best and brightest people in technology to monitor, triage, respond to, and document new and existing vulnerabilities in open source software. You will collaborate with internal teams and external partners to identify issues, prioritize them, and coordinate remediation. This is an engineering-focused role that may also involve activities such as producing security assessments, building features, conducting code reviews, developing internal tools, engaging with the open source community, and participating in industry initiatives and events. This role requires international travel at least twice a year, usually for one week. It also requires the ability to be productive in a globally distributed team through self-discipline and self-motivation. Location: Worldwide, this is a globally remote role The role entails Analyzing, fixing, and testing vulnerabilities in open source packages Keeping track of vulnerabilities in the Ubuntu ecosystem as they are discovered, researched, and fixed, leveraging internal tools Collaborating with other teams in the Ubuntu community and upstream developers, as needed, to exchange or develop vulnerability patches and ensure that Ubuntu includes the most robust security features Auditing source code for vulnerabilities Building features and tools to help teams strengthen the security of their products and contribute to the overall security of Ubuntu What we are looking for in you You have a thorough understanding of the common categories of security vulnerabilities and techniques for fixing them You are familiar with coordinated disclosure practices You are familiar with open source development tools and methodologies You are skilled in one or more of C, Python, Go, Rust, Java, Ruby, PHP or JavaScript/TypeScript You have excellent logic, problem-solving, troubleshooting, and decision-making skills You can clearly and effectively communicate with the team and Ubuntu community members Experience with Linux (Debian or Ubuntu preferred) Excellent interpersonal skills, curiosity, flexibility, and accountability Appreciative of diversity, polite, and effective in a multi-cultural, multi-national organization Thoughtfulness and self-motivation Result-oriented, with a personal drive to meet commitments What we offer colleagues We consider geographical location, experience, and performance in shaping compensation worldwide. We revisit compensation annually (and more often for graduates and associates) to ensure we recognize outstanding performance. In addition to base pay, we offer a performance-driven annual bonus or commission. We provide all team members with additional benefits which reflect our values and ideals. We balance our programs to meet local needs and ensure fairness globally. Distributed work environment with twice-yearly team sprints in person Personal learning and development budget of USD 2,000 per year Annual compensation review Recognition rewards Annual holiday leave Maternity and paternity leave Team Member Assistance Program & Wellness Platform Opportunity to travel to new locations to meet colleagues Priority Pass and travel upgrades for long-haul company events About Canonical Canonical is a pioneering tech firm at the forefront of the global move to open source. As the company that publishes Ubuntu, one of the most important open-source projects and the platform for AI, IoT, and the cloud, we are changing the world of software. We recruit on a global basis and set a very high standard for people joining the company. We expect excellence; in order to succeed, we need to be the best at what we do. Most colleagues at Canonical have worked from home since our inception in 2004.​ Working here is a step into the future and will challenge you to think differently, work smarter, learn new skills, and raise your game. Canonical is an equal opportunity employer We are proud to foster a workplace free from discrimination. Diversity of experience, perspectives, and background create a better work environment and better products. Whatever your identity, we will give your application fair consideration. #LI-remote

Location: Home Based - Americas; Home based - EMEA Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation and IoT. Our customers include the world's leading public cloud and silicon providers, and industry leaders in many sectors. The company is a pioneer of global distributed collaboration, with 1000+ colleagues in 70+ countries and very few office based roles. Teams meet two to four times yearly in person, in interesting locations around the world, to align on strategy and execution. The company is founder led, profitable and growing. We are hiring a software engineer to join our Kubernetes product team. As a member of that team, you will build the operators and addons; the former, offering complete lifecycle management of mission-critical components, and the latter, a zero-ops experience for seamlessly integrating projects into your Kubernetes. You will gain familiarity with the latest features in Kubernetes and look to incorporate the best of open-source to bring functionality to our end-users. You will collaborate with industry peers and partners to bring the right solutions to our customers. This is an exciting opportunity for a software engineer passionate about open source software, Linux, Golang, Python and Kubernetes. Location : This is a remote position available in EMEA and the Americas. What you will focus on Write high-quality code to create new features Debug issues and interact with a vibrant community Collaborate proactively with a distributed team Work with helpful and talented engineers including experts in many fields Work from home with global travel 2 to 4 weeks for internal and external events What we are looking for in you Go or Python is required. Experience in both is even better Kubernetes experience is preferred but not strictly required You have strong written and verbal communication skills You have a Bachelor’s or equivalent in Computer Science, STEM or similar degree You love technology and working with brilliant people What we offer you We consider geographical location, experience, and performance in shaping compensation worldwide. We revisit compensation annually (and more often for graduates and associates) to ensure we recognise outstanding performance. In addition to base pay, we offer a performance-driven annual bonus. We provide all team members with additional benefits, which reflect our values and ideals. We balance our programs to meet local needs and ensure fairness globally. Distributed work environment with twice-yearly team sprints in person Personal learning and development budget of USD 2,000 per year Annual compensation review Recognition rewards Annual holiday leave Maternity and paternity leave Employee Assistance Programme Opportunity to travel to new locations to meet colleagues Priority Pass, and travel upgrades for long haul company events About Canonical Canonical is a pioneering tech firm at the forefront of the global move to open source. As the company that publishes Ubuntu, one of the most important open source projects and the platform for AI, IoT and the cloud, we are changing the world on a daily basis. We recruit on a global basis and set a very high standard for people joining the company. We expect excellence - in order to succeed, we need to be the best at what we do. Canonical has been a remote-first company since its inception in 2004.​ Working here is a step into the future, and will challenge you to think differently, work smarter, learn new skills, and raise your game. Canonical is an equal opportunity employer We are proud to foster a workplace free from discrimination. Diversity of experience, perspectives, and background create a better work environment and better products. Whatever your identity, we will give your application fair consideration. #LI-remote

Location: Home Based - Americas; Home based - EMEA Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. Our customers include the world's leading public cloud and silicon providers, and industry leaders in many sectors. The company is a pioneer of global distributed collaboration, with 1200+ colleagues in 75+ countries and very few office-based roles. Teams meet two to four times yearly in person, in interesting locations around the world, to align on strategy and execution. The company is founder-led, profitable, and growing. We are hiring a Project Manager - Ubuntu Embedded Systems at Canonical As a Project Manager for Canonical’s Devices business, this role is responsible for the coordination and completion of large complex customer-facing projects, overseeing all aspects of project delivery and acting as the primary delivery liaison between Canonical's engineering teams and Canonical's customers. You will be managing the projects that involve the delivery of Ubuntu images on a wide variety of devices ranging from robots, edge gateways, and IoT devices to PCs and automotive systems. This is a high-profile project management position where you are expected to build and maintain working relationships with team members, customers, other partners/vendors (Silicon vendors, OEMs, ODMs, IHVs), and other Canonical departments/teams. Location: This role will be based remotely in the AMERICAs and/or EMEA regions. The role entails Managing projects through their complete life cycle and ensuring that the overall goals for both Canonical and the client are met Successfully delivering engineering professional services for assigned projects Working with engineering teams on custom board enablement and delivery of Ubuntu images to the customers Assisting in the development of project statements of work Drafting and maintaining project-specific schedules/project plans Obtaining client agreement to the project schedule and agreed-upon work items Ensuring projects are delivered within the time/resources/scope expectations Managing project risk mitigation and plans Driving technical issues to reach desired delivery outcomes Maintain daily and weekly communication with the client and all internal stakeholders Managing delivery schedule of critical third-party deliverables for the project Keeping management informed of the status of assigned projects Identifying custom engineering requests that are not part of an existing business contract Advocating the appropriate technologies from Canonical's product portfolio to customers Supporting different time zones and work non-traditional hours as required to support the assigned projects What we are looking for in you Solid project management experience in delivering engineering services to customers managing software development teams and field engineers Extensive experience successfully managing projects with cross-cultural and multi-continent internal and external project resources, preferably with resources in Asia, Europe, and the Americas Educational degree preferably in Science, Technology, Engineering, or Math Good knowledge of Linux and the wider Open Source Software community, and understanding of computer architecture Excellent communications skills, both verbal and written, in English Strong leader and problem solver with extensive experience building successful internal and external partnerships and effective working relationships with demanding project sponsors in complex organizational environments PMP/PMI or PRINCE2 Practitioner Certification preferred Ability to work non-standard work hours in support of a worldwide sales and project team Willingness to travel up to 4 times a year for internal events What we offer colleagues We consider geographical location, experience, and performance in shaping compensation worldwide. We revisit compensation annually (and more often for graduates and associates) to ensure we recognize outstanding performance. In addition to base pay, we offer a performance-driven annual bonus or commission. We provide all team members with additional benefits which reflect our values and ideals. We balance our programs to meet local needs and ensure fairness globally. Distributed work environment with twice-yearly team sprints in person Personal learning and development budget of USD 2,000 per year Annual compensation review Recognition rewards Annual holiday leave Maternity and paternity leave Team Member Assistance Program & Wellness Platform Opportunity to travel to new locations to meet colleagues Priority Pass and travel upgrades for long-haul company events About Canonical Canonical is a pioneering tech firm at the forefront of the global move to open source. As the company that publishes Ubuntu, one of the most important open-source projects and the platform for AI, IoT, and the cloud, we are changing the world of software. We recruit on a global basis and set a very high standard for people joining the company. We expect excellence; in order to succeed, we need to be the best at what we do. Most colleagues at Canonical have worked from home since our inception in 2004.​ Working here is a step into the future and will challenge you to think differently, work smarter, learn new skills, and raise your game. Canonical is an equal opportunity employer We are proud to foster a workplace free from discrimination. Diversity of experience, perspectives, and background create a better work environment and better products. Whatever your identity, we will give your application fair consideration. #LI-remote

Location: US / Remote Workplace: remote About the Role: We are seeking a Senior Blockchain Security Engineer with a strong security mindset and deep technical expertise across smart contracts, blockchain nodes, and decentralized infrastructure. You will play a critical role in safeguarding Web3 projects by auditing code, building security tools, and driving research. If you have hands-on experience in Web3 and are passionate about advancing the security of decentralized technologies, we’d love to hear from you. Responsibilities Audit and review codebases for smart contracts, blockchain protocols, and decentralized applications (dApps) to identify and remediate vulnerabilities. Work closely with external blockchain teams to enhance the security of their products by providing expert security consultation and implementing remediation strategies. Conduct independent security research, explore new attack vectors, and deliver actionable insights. Design, develop, and maintain internal security tools and frameworks to strengthen our security services. Continuously improve internal processes, methodologies, and service offerings while ensuring high client satisfaction and long-term partnerships. Requirements Bachelor’s, Master’s, or PhD in Mathematics, Computer Science, or Information Security. Minimum 3 years of professional experience as a Software Engineer, Security Engineer, or in a related role. At least 2 years of hands-on experience with blockchain technologies, including: Smart contracts (EVM chains, Solana, Move, etc.), Blockchain protocols (nodes, SDKs, Cosmos, etc.) Strong expertise in threat modeling, risk assessment, and security analysis. Proficiency in one or more programming languages: Rust, Go, Solidity, Python, etc. Passion for Cryptocurrency, DeFi, and Blockchain technologies. Preferred Qualifications Solid academic or practical background in Mathematics, Cryptography, or Cybersecurity. Demonstrated experience conducting audits and collaborating with leading Web3 protocols. Recognized achievements such as published CVEs, or strong placements in Attackathons, Bug Bounties, or Audit Contests. About the Company CertiK is the largest blockchain security auditor and provides a comprehensive suite of tools to secure the industry at scale. To date, CertiK has worked with over 4,900 Enterprise clients, secured over $557 billion worth of digital assets, and has detected over 18,000 vulnerabilities in blockchain code. Our clients include leading projects such as OKX, Tether, Ripple, and Pancakeswap. Our investors include top VCs like Tiger Global, Coatue Management, Shunwei Capital and Hillhouse Capital as well as industry leaders like Coinbase Ventures and Binance. Investors = Insight Partners, Sequoia, Tiger Global, Coatue Management, Lightspeed, Advent International, SoftBank, Hillhouse Capital, Goldman Sachs, Shunwei Capital, IDG Capital, Wing, Legend Star, Danhua Capital and other investors. About You You’re a self-starter. You believe in tackling the most important problems, even if they are the most difficult problems. You’re comfortable with the unknown and understand that startup life means that you’re going to be wearing multiple hats. And that’s what motivates you. You’re accountable and obsessed with improvement, both in yourself and in others. You’re up to the challenge of building a world-class company that aims to be the infrastructure for more secure software for all. Compensation Target annual salary for this role performed in the US is $102,000 - $180,000. The exact compensation at which this job is filled will be determined by the skills and experience of qualified candidates. CertiK is proud to offer medical, vision, and dental insurance, 401(k) plan with company matching, life and accidental death and dismemberment insurance, HSA (with high deductible plan), FSA, and other benefits to all full-time employees, along with flexible paid time off and holidays. CertiK also offers a variable commission program for business development sales roles.   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: Anywhere Workplace: hybrid WRA’s an employee-owned environmental consultancy. We are a tenacious team of planners, engineers, and scientists, and we aim to leave the lands we love better than we found them.  Our clients and partners hire us because we’re skilled at navigating through challenging projects involving wildlands, parks, community spaces, and infrastructure. We bring over four decades of expertise, long-standing relationships, and connections to our local communities to make sure that projects are pursued in responsible ways where both people and the environment thrive.  As an organization, we believe that independence and interdependence are not mutually exclusive. We invest in systems, processes, and employee programs to support our staff’s collective engagement and success. At the same time, we encourage our employees to operate with an ownership mindset, taking responsibility for outcomes and being true to our commitments. If you think you'd be a great fit for WRA but don't see a job listed on our website that's an exact match, apply here for your dream job. Tell us how you could add value to our team, the strengths and experience you bring, and your ideal projects and responsibilities. Be sure to include any certifications or permits that you hold or are in the process of attaining. If there's a fit, we'll be in touch soon. WRA’s company vision is ‘cultivating a sustainable future where people and the environment thrive,’ and that starts with our staff. We are committed to building a diverse, equitable, and inclusive work environment, and we have developed flexible policies, internal practices, and are investing in programs that prioritize learning and sustainability. We aim to create conditions that allow employees to prioritize their families, lead healthy and balanced lives, and to bring their authentic selves to work every day. We believe that by creating an exceptional workplace, our employees will be able to do their best work and be able to meaningfully contribute to the sustainability of the environment and the communities in which we live.” WRA is an equal opportunity employer, and we are committed to creating a diverse environment. We recruit, employ, train, compensate and promote regardless of race, religion, color, national origin, gender, sexual orientation, disability, age, veteran status, and other protected status as required by applicable law.

Location: Home based - EMEA This is an exciting opportunity for a software engineer passionate about open source software, Linux, edge computing, and AI. Come build a rewarding, meaningful career working with the best and brightest people in technology at Canonical, a growing international software company. Your role will be to help us provide easy-to-deploy, secure, and customizable edge AI solutions, specifically focusing on Inference Snaps. You will work on designing and implementing silicon-optimized application packages for AI/ML inference, targeting devices from embedded systems to powerful gateways. Linux will be at the core of your everyday challenges. In our team we value collaboration, peer reviews, good integration/unit testing, and writing maintainable code. General knowledge and experience with Linux as a developer platform is required. What you’ll do Collaborate proactively with a distributed team Develop and maintain open-source AI/ML inference application packages Debug issues and produce high-quality code to fix them Review code produced by upstream and/or other engineers at Canonical Discuss ideas and collaborate on finding good solutions Experiment with Ubuntu Core and showcase industry-grade Edge AI solutions Secure deployment of AI inference platforms on Linux Build optimized AI solutions for local inferencing on Ubuntu Work from home with global travel 2 to 4 weeks for internal and external events Who you are Proven track record of at least 3 years of professional software development using Go or C++. Experience working on and developing applications for Linux You have interest and experience with a few of the following: Containers (docker, kubernetes) Snap, debian, or RPM packaging Bash scripting CI/CD (GitHub Actions, GitLab CI, etc) Local AI/ML inference frameworks Hardware accelerators: GPU, NPU You value soft skills, communication and advocacy, and are passionate, enterprising, thoughtful, and self-motivated You have a Bachelor’s or equivalent in Computer Science, STEM or similar degree Canonical is a growing international software company that works with the open-source community to deliver Ubuntu, the world’s best free software platform. Our services help businesses worldwide reduce costs, improve efficiency and enhance security with Ubuntu. We are proud to foster a workplace free from discrimination. Diversity of experience, perspectives, and background create a better work environment and better products. Whatever your identity , we will give your application fair consideration. #LI-remote

Location: Home Based - Americas; Home based - EMEA Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. Our customers include the world's leading public cloud and silicon providers, and industry leaders in many sectors. The company is a pioneer of global distributed collaboration, with 1200+ colleagues in 75+ countries and very few office-based roles. Teams meet two to four times yearly in person, in interesting locations around the world, to align on strategy and execution. The company is founder-led, profitable, and growing. We are hiring a Software Engineer for our OpenStack Engineering team. This is an exciting opportunity for a software engineer passionate about open source software, Linux, and OpenStack. Come build a rewarding, meaningful career working with the best and brightest people in technology at Canonical, a growing international software company. As a software engineer on the OpenStack Engineering team, you’ll be building Charmed OpenStack and Ceph, a suite of open source Python based charms for deploying and managing OpenStack and Ceph. Your work will bring cloud platform technologies to a wide range of users and computing environments, from desktops to bare metal servers. This role requires a python software developer with a passion for automating infrastructure as code. Applicants should be passionate about the future of the software defined datacenter, distributed systems, and open source. Canonical is a globally distributed team of engineers who share that passion, and you will need to work well in that context.  Engineers who thrive at Canonical are mindful of the dynamics of the open source ecosystem, and equally aware of the needs of large, innovative organizations. This job involves international travel several times a year, usually for one week at a time. What you’ll do Collaborate proactively with a distributed team Write high quality code to create new features Debug issues and produce high quality code to fix them Review code produced by other engineers Discuss ideas and collaborate on finding good solutions Ensure the success of OpenStack and Ceph on multiple architectures Work from home with global travel 2 to 4 weeks for internal and external events Who you are You love technology and working with brilliant people You are curious, flexible, articulate, and accountable You value soft skills and are passionate, enterprising, thoughtful, and self-motivated You have a Bachelor’s or equivalent in Computer Science, STEM or similar degree You have experience with Python You have interest and experience with two or more of the following:Ubuntu Linux - kernel or userspace, Kubernetes, OpenStack, Ceph, AI/ML, QEMU/KVM, LXC/LXD, Python, Go, C, Postgresql, Mongo, Debian packaging, scalable web services You have experience with non-x86 architectures, including s390, arm64, power and others You have experience with OpenStack, OVN, Openvswitch and other related cloud technologies What Canonical Offers Learning and Development Annual Compensation Review Recognition Rewards Annual Leave Priority Pass for travel Flexible working option Canonical believes a diverse workforce enhances our ability to deliver world class software and services which meet the world’s computing needs. We are committed to ensuring equal employment opportunities to all qualified individuals. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. About Canonical Canonical is a pioneering tech firm at the forefront of the global move to open source. As the company that publishes Ubuntu, one of the most important open-source projects and the platform for AI, IoT, and the cloud, we are changing the world of software. We recruit on a global basis and set a very high standard for people joining the company. We expect excellence; in order to succeed, we need to be the best at what we do. Most colleagues at Canonical have worked from home since our inception in 2004.​ Working here is a step into the future and will challenge you to think differently, work smarter, learn new skills, and raise your game. Canonical is an equal opportunity employer We are proud to foster a workplace free from discrimination. Diversity of experience, perspectives, and background create a better work environment and better products. Whatever your identity, we will give your application fair consideration. #LI-remote

Location: Remote - Worldwide 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 Security Services Team OpenZeppelin's Security Services team is responsible for the security of the world's leading web3 protocols and top financial institutions building onchain. Our researchers partner with client teams across the full lifecycle of a protocol: working on architecture and design before any code is written, co-creating novel mechanisms and primitives with engineering teams, conducting deep audits of pre-launch codebases, and providing continuous coverage as production systems evolve. Our clients range from emerging projects shipping their first contracts to global financial institutions running production onchain systems at scale. What you'll be doing Review smart contracts for top decentralized applications, blockchain infrastructure and financial institutions before they launch. Find vulnerabilities, prioritize them, and present findings to the client. Drive audits independently from start to finish, with AI as your primary collaborator. When useful, partner with another researcher to attack the code together and pressure-test findings. Partner with client teams during the design phase of new protocols, analyzing architecture, trust assumptions, and operational constraints before any code is written (Design Reviews, Applied Research engagements). Use AI efficiently throughout the audit process, and build skills, agents, and workflows that compound across the team. Conduct open-ended research into cutting-edge blockchain technologies, vulnerability classes, and emerging attack vectors, and contribute findings back to OpenZeppelin's internal knowledge base and to the broader ecosystem. You have Hands-on and practical experience in one or more of the following: software development, cybersecurity, applied mathematics, distributed systems, cryptography, cryptoeconomics or game theory, or DeFi mechanisms. Experience designing and developing smart contracts, not only auditing them. Strong working knowledge of Solidity and the broader Ethereum / EVM ecosystem (common libraries, frameworks, smart contract patterns). Modern AI tooling is central to how you work, not a novelty. You use it daily to expand audit coverage, reason about complex systems, and produce high-quality outputs faster. You evaluate AI-generated code with a critical eye. Comfort building and extending your own tooling (skills, agents, prompts, scripts, or full workflows) that the rest of the team can adopt and build on. An advanced English level and strong communication skills (oral and written). Nice to have Experience with non-EVM ecosystems and languages, such as Canton, Move (Sui, Aptos), Golang (Cosmos SDK), Cairo (Starknet), Rust-based blockchains (Solana, Stellar), or ZK circuits and cryptography-heavy systems. Experience with risk assessment work in the crypto industry (smart contract risk assessment, threat modeling). Working hand-in-hand with protocol teams on co-creative engagements, helping design, specify, and implement smart contracts alongside the research. Web2 security expertise (penetration testing, web application security, infrastructure security, or appsec). Experience with formal verification, invariant testing, or advanced fuzzing tools (Echidna, Foundry, Halmos, Certora). A track record in audit contests (Code4rena, Sherlock, Cantina) or bug bounty platforms (Immunefi, HackerOne). Public security research output, such as published findings, blog posts, conference talks, or contributions to open-source security tooling. Logistics Our interview process takes place on Google Meet and tends to consist of the following stages: Recruiter call (30 minutes) Manager interview (60 minutes) Technical interview (60 minutes) Paid work trial (paid code review assessment) Reference checks Please let us know if you require any accommodations for the interview process, and we’ll do our best to provide assistance. 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: Remotely Workplace: remote At 90 Seconds, our mission is to connect brands and local creators everywhere to create and tell the world’s stories in motion.   We are looking for an experienced Concierge Manager to guide our customers through the video production journey using our online platform, ensuring the successful delivery of professional video creation services provided exclusively via our creator partners; planning & creative, shooting and editing. This unique role combines client, project, and community management, working across all aspects of the 90 Seconds platform - production operations, services, and brand accounts management.    As a Concierge Manager with extensive professional video production experience you will be part of 90 Seconds Concierge service. This Concierge service directly provided both production and account based services. What you'll love doing Successfully oversee the production of a number of video projects at any time, spanning from quoting, shoot and logistics planning, production management duties, to publishing. Oversee the delivery of 90 Seconds Services and Solution on the 90 Seconds platform Overview all the production services, ensuring the successful running of the 90 Seconds operations Ensure that 90 Seconds services are delivered consistently via processes in the system Manages the growth and relationships of 90 Seconds Brands. Facilitate communication between customers and creators to ensure smooth project delivery. Assist in resolving video project-related issues. Become the expert in our 90 Seconds Solutions and deliver each solution professionally and completely. You will love the Productize, Order, Matching, Delivery and Content & Account app features. Become the expert in these features and help deliver all these for our brands. You will be able to work with a large variety of creators globally Who you are Someone who has a really deep understanding of content, an in-depth understanding of the various content video types and being able to identify the requirements to fulfill this video production. Someone who has the ability to research, analyze and identify trends in video content creation and consumption and propose these to existing clients as opportunities. Has high level of experience in production from quoting, client management (Ordering Support), enable to pair gigs with the correct talent needed (matching), project management from start to finish (Run My Creation). Highly experienced in video production management - managing multiple projects end-to-end and juggling budgets, resources, schedules, clients. Someone who has skills in deconstructing a video to understand the production processes involved in its creation. Someone who has hands on experience using video creation hardware and software Someone with a strong sense of urgency, exceptional organizational skills, and natural relationship building ability; this is a dynamic and fast-paced role! Someone who has experience in content strategy and Planning. Someone who understands market trends, is able to identify gaps in client content plans and deliver solutions to help them be relevant and up to speed within the market video space. Someone who enjoys technology and collaborating with a global team online. Someone who understands can identify repeat purchase opportunities and can productize these opportunities. Someone who understands the different social platform content products, their formats and specifications. Someone who can quickly immerse themselves into a company culture - can quickly adapt to change at a high-speed pace, is data-driven, and can be fully ramped to achieve new business targets. Exceptional written, verbal, and interpersonal communicator, as building authentic relationships with clients and partners is a must. A flexibly “always-on” attitude to ensure project delivery dates are met. A huge plus if you have experience in live streaming and production of large scale events.

Location: Limassol Wisebits is an international IT holding where people are at the heart of everything we do. Our key product is a high-load video hosting platform used by millions of people worldwide every day. With over 15 years on the market, we've built a professional team that values engagement and initiative. If you're excited about working with a high-load product and want to have an impact on its development, join us! Who we're looking for: an HR & Mobility Assistant to support our team with employee administration, relocation, immigration, and insurance processes. This role would be a great fit for a proactive and reliable person who can take ownership of their responsibilities and coordinate several processes at once. If you’re organized, attentive to detail, and comfortable working with people, documents, and multiple stakeholders, we’d be happy to meet you! On our side, we care about your wellbeing: you’ll have access to psychological support, a gym membership, and language courses for you and your family members. What you'll be working on: Maintaining employee files, HR databases, and mobility records, ensuring all information and documents are up to date; Supporting employee medical insurance processes, including enrollments, data updates, and routine queries; Coordinating relocation and business trips with employees and internal stakeholders; Supporting standard immigration cases by collecting and checking documents, arranging translations and certifications, and tracking deadlines; Maintaining bank guarantee records and coordinating any required changes; Following up with stakeholders to keep tasks and processes on track. What we expect from you: Fluency in English; Knowledge of Greek or Russian; Strong organizational skills, attention to detail, and the ability to manage multiple tasks and deadlines; A proactive and independent approach, with the ability to take ownership and escalate non-standard situations when needed; Strong communication and coordination skills; Confidence working with files, spreadsheets, and databases, and the ability to learn new processes quickly. Nice to have: Previous experience in HR administration, relocation, immigration, or global mobility; Experience with administrative processes and document management; Familiarity with immigration procedures in Cyprus. What we offer: No bureaucracy — flexible working conditions; Comprehensive benefits package, including health insurance, tax coverage, language courses, professional development, and all necessary work equipment; Relocation support: we cover the moving expenses for you and your family, including airfare, visa assistance, and your first month's rent; A friendly, international team that values professionalism and collaboration. Work format: on-site in Limassol Salary: from €1400 net per month. The final compensation level depends on relevant experience, skills, and overall match with the role requirements.

Location: Limassol Wisebits — is an international IT holding with a strong technical team! Our key product is a high-load video hosting platform used by millions of people worldwide every day. With over 15 years on the market, we’ve built a professional team that values engagement and initiative. If you’re excited about working with a high-load product and want to have an impact on its development, join us! We are looking for an experienced Data Analyst who will help us make key product and business decisions based on data. In this role, you will have the freedom to influence metrics, experiments, and the development of the company’s analytics culture. What you'll be working on: Defining and developing key product metrics. Generating data-driven insights to support product and business decisions. Designing, launching, and analyzing A/B tests, from hypothesis formulation to final results. Monitoring key metrics and identifying anomalies or trends. Writing SQL and Python code to extract, transform, and analyze data. Participating in the implementation of new tracking events and parameters. Working closely with product managers, analysts, designers, data scientists, and data engineers. What we expect from you: 5+ years of experience in analytics. Deep understanding of A/B experiments and statistics. Strong knowledge of Python and SQL. Experience working with ClickHouse and large volumes of data. Ability to translate business questions into metrics and reports. Experience with Google Analytics, Amplitude, or similar tools. Experience with Airflow, preferably together with dbt. Nice to have: Experience implementing data governance practices. Experience using ML approaches in analytics. Experience managing teams, such as data engineers, data scientists, or product analysts. What we offer: No bureaucracy — flexible working conditions. An extended benefits package, including medical insurance, tax coverage, foreign language courses, professional training, and all necessary work equipment. Relocation support: we cover relocation expenses for you and your family, including tickets, visa support, and the first month of accommodation. A friendly international team that values professionalism and collaboration. Here, you won’t just analyze numbers — you’ll have a real impact on the product and the business. Work format: Remote / On-site Salary: From €4,000 net per month. The final compensation level may be higher and depends on relevant experience, skills, and overall match with the role requirements.

Location: Limassol Wisebits — is an international IT holding with a strong technical team! Our key product is a high-load video hosting platform used by millions of people worldwide every day. With over 15 years on the market, we’ve built a professional team that values engagement and initiative. If you’re excited about working with a high-load product and want to have an impact on its development, join us! Who we're looking for: Product Manager with strong product expertise. What you'll be working on: Gathering and analyzing business requirements in close collaboration with stakeholders; Turning ideas into detailed, well-structured product concepts; Managing the full product development lifecycle, from preparing documentation to analyzing product metrics; Designing product interfaces in collaboration with a designer; Analyzing the KPIs and metrics that determine the success of the product and newly launched features; Running A/B tests, validating hypotheses, and optimizing the product to improve conversion rates. What we expect from you: At least 5 years of experience as a Product Manager; Proven experience successfully launching web products; Experience documenting and structuring requirements; Experience working with analytics tools, including Google Analytics, and a solid understanding of metric hierarchies; Experience conducting A/B tests, from developing hypotheses to analyzing results and making product decisions; Basic knowledge and practical experience in the following areas: software development, management, operations, product design, and business analysis. What we offer: No bureaucracy — flexible working conditions. Comprehensive benefits package, including health insurance, tax coverage, language courses, professional development, and all necessary work equipment. Relocation support: we cover the moving expenses for you and your family, including airfare, visa assistance, and your first month's rent. A friendly, international team that values professionalism and collaboration. Work format: Remote Salary: from €4000 net per month. The final compensation level may be higher and depends on relevant experience, skills, and overall match with the role requirements.

Location: Limassol Wisebits — is an international IT holding with a strong technical team! Our key product is a high-load video hosting platform used by millions of people worldwide every day. With over 15 years on the market, we’ve built a professional team that values engagement and initiative. If you’re excited about working with a high-load product and want to have an impact on its development, join us! Who we're looking for: a Frontend Developer to join our video player team. What you’ll be working with: Our codebase is primarily written in vanilla JavaScript, with some occasional work in Svelte. Previous experience with Svelte isn’t required—it’s a lightweight framework that’s easy to pick up. There’s also some legacy PHP code you may need to work with from time to time, although we’re gradually phasing it out. What we expect from you: 10+ years of professional software development experience; Strong command of vanilla JavaScript (ES2015+), a solid understanding of how the language works, and experience conducting code reviews; A good understanding of client-side and server-side rendering; Hands-on experience with at least one popular UI framework, such as React, Vue, or Svelte; Good knowledge of TypeScript 4+; A solid understanding of object-oriented programming; A willingness to dig into the code and understand how things work, even when using AI-powered tools; The ability to work independently and take ownership of your work. Nice to have: Experience with video-on-demand technologies, HTML5 video, or HLS.js; A general understanding of backend development, particularly PHP and Node.js; Experience with CSS preprocessors such as LESS or SCSS, as well as the BEM methodology; Experience writing tests with Jest and Testing Library; A solid understanding of asynchronous programming and multithreading; Good judgment and an eye for quality :) What we offer: No bureaucracy and flexible working conditions. Extended benefits package, including private medical insurance, tax support, language courses, professional education, and all necessary hardware. Relocation support: coverage of travel expenses for you and your family, visa assistance, and the first month of accommodation. A friendly, international team that values professionalism and open collaboration. Work format: Remote Salary: from €3,500 net per month. The final compensation level may be higher and depends on relevant experience, skills, and overall match with the role requirements.

Location: Limassol Wisebits is an international IT holding with a strong technical team! Our key product is a high-load video hosting platform used by millions of people worldwide every day. With over 15 years on the market, we’ve built a professional team that values engagement and initiative. If you’re excited about working with a high-load product and want to have an impact on its development, join us! Who we’re looking for: Senior SEO Specialist with deep expertise in Google Search algorithms, technical SEO, and data-driven decision making. What you’ll be working on: Developing and executing SEO strategies to improve website rankings and organic traffic. Conducting technical and on-page SEO audits to optimize site performance. Analyzing market trends, competitors, and search algorithms to adjust strategies accordingly. Collaborating with developers, content creators, and marketing teams to implement best SEO practices. Automating SEO processes using tools like Google Colab, Python, Apps Script, Excel VBA, or Knime. Working with structured data, meta tags, and AI-driven SEO automation. Creating and optimizing SEO content, including guidelines for copywriters. What we expect from you: Experience in promoting marketplaces, e-commerce, or multilingual websites with over 10,000 pages. SEO experience in Western European and North American markets. Deep understanding of search engine algorithms and ranking factors. Strong expertise in technical and on-page SEO. Confident use of GA4 and SEO tools. Experience in analyzing data and making data-driven decisions. Knowledge of website architecture, indexing principles, HTML, and basic JavaScript. Strong problem-solving skills and adaptability to search algorithm updates. Ability to work independently and in a team, handling multiple projects simultaneously. Continuous learning mindset and following industry trends. Nice to have: Hands-on experience with AI tools and automation. Upper-intermediate English or higher; a second European language is a plus. Knowledge of structured data and schema markup. Cross-functional skills in programming, ML, UX/UI, or copywriting. What we offer: No bureaucracy — flexible working conditions. Comprehensive benefits package, including health insurance, tax coverage, language courses, professional development, and all necessary work equipment. Relocation support: we cover the moving expenses for you and your family, including airfare, visa assistance, and your first month's rent. A friendly, international team that values professionalism and collaboration. Work format: On-site / Remote Salary: from €3000 net per month. The final compensation level may be higher and depends on relevant experience, skills, and alignment with the role requirements.

Location: Limassol Wisebits — is an international IT holding with a strong technical team! Our key product is a high-load video hosting platform used by millions of people worldwide every day. With over 15 years on the market, we’ve built a professional team that values engagement and initiative. If you’re excited about working with a high-load product and want to have an impact on its development, join us! What you'll be working on: Participating in the development and improvement of recommendation systems, including user-item, item-item, and cross-platform recommendations. Optimizing recommendations on category, channel, and tag pages. Building text-to-video search: embedding models, ranking, and semantic search. Turning ML prototypes into production services: inference optimization, profiling, feature preparation, and model quality control. Developing high-load ML services in Python, including gRPC/Triton-based services. Our stack: Languages and libraries: Python, PyTorch, CatBoost, NumPy, Pandas, Polars, CuDF, CuPy. Infrastructure and deployment: Kubernetes, Docker, Airflow, Triton Inference Server. Data storage: ClickHouse, MySQL. What we expect from you: 2+ years of experience with recommendation systems, search, or related ML tasks. Strong knowledge of Python and ML frameworks, such as PyTorch, CatBoost, etc. Experience deploying models to production. Understanding of offline and online model evaluation principles. What we offer: Work on an ML product used by millions of users, with real product metrics. A compact team where every engineer has an impact on the product and can develop expertise across several areas. Experienced colleagues to discuss ideas with, think through solutions together, and launch new projects and features. A simple structure — minimum bureaucracy, maximum ownership. Benefits package: medical insurance, tax compensation, professional training, work equipment, and language courses. Relocation to Cyprus: visa support, relocation coverage, tickets, and the first month of accommodation. Flexible schedule, a comfortable atmosphere, and team support. Work format: Remote / On-site Salary: From €4,000 net per month. The final compensation level may be higher and depends on relevant experience, skills, and overall match with the role requirements.

Location: Limassol Wisebits — is an international IT holding with a strong technical team! Our key product is a high-load video hosting platform used by millions of people worldwide every day. With over 15 years on the market, we’ve built a professional team that values engagement and initiative. If you’re excited about working with a high-load product and want to have an impact on its development, join us! Who we're looking for: a Product Designer UX/UI to help us design and improve web interfaces for both mobile and desktop users. What you'll be working on: Designing interfaces for web products, including mobile and desktop versions. Improving existing designs based on research, experiments, and team feedback. Turning complex tasks into simple solutions, as well as generating and testing hypotheses. Using design solutions to improve key metrics across different parts of the product. You’re a great fit if you can: Work closely with other designers, product managers, analysts, and developers — from concept to launch. Present and clearly explain your design decisions. Find reasonable compromises with developers to speed up feature delivery. Control the quality of interface implementation by developers. What we expect from you: A portfolio with product design cases — we carefully review it before the interview. Knowledge of Figma, Sketch, Photoshop, and Illustrator. 5+ years of experience as a Product Designer. What we offer: No bureaucracy — flexible working conditions. Comprehensive benefits package, including health insurance, tax coverage, language courses, professional development, and all necessary work equipment. Relocation support: we cover the moving expenses for you and your family, including airfare, visa assistance, and your first month's rent. A friendly, international team that values professionalism and collaboration. Please include a link to your portfolio in your cover letter. Work format: Remote Salary: From €4,000 net per month. The final compensation level may be higher and depends on relevant experience, skills, and overall match with the role requirements.

Location: Limassol Wisebits is an international IT holding with a strong technical team! Our key product is a high-load video hosting platform used by millions of people worldwide every day. With over 15 years on the market, we've built a professional team that values engagement and initiative. If you're excited about working with a high-load product and want to have an impact on its development, join us! Who we're looking for: Merch and Event Manager who will manage merchandise for company employees and partners and support the company’s participation in conferences and events! What you'll be working on: Developing merchandise concepts for employees, partners, and regular users. Supporting the organization of conferences and other branded events. Interacting with stakeholders and the creative team. Managing contractors located in both Europe and Asia. Working with factories, controlling orders and production. Collaborating with logistics companies. Internal merchandise accounting. What we expect from you: 2+ years of relevant work experience. Fluent in both English and Russian. Possesses a sense of style and knowledge of clothing and accessory trends. Available for full-time weekday work. Self-starter capable of multitasking and effective prioritization. Demonstrated flexibility in handling various administrative and operational tasks. What we offer: No bureaucracy — flexible working conditions. Comprehensive benefits package, including health insurance, tax coverage, language courses, professional development, and all necessary work equipment. Relocation support: we cover relocation expenses for you and your family, including tickets, visa support, and the first month of accommodation. A friendly international team that values professionalism and collaboration Work format: On-site / Remote Salary: from €2000 net per month. The final compensation level may be higher and depends on relevant experience, skills, and alignment with the role requirements.