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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: Home Based - Americas 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 talented Software Engineers with strong Python, Packaging and Linux skills and who want to have a positive impact on the day-to-day workflow of thousands of snap, rock and charm publishers. To be successful on this team you'll need to be interested in packaging formats, build systems and automation that can simplify the lives of developers and engineers trying to ship software to the widest possible audience. We design and maintain specialist Python tools to support the developer build and publication process. The team takes responsibility for tooling that builds snaps , charms and more recently, rocks . Snapcraft allows developers to deliver app updates to millions of Linux systems automatically, eliminating the long tail of supported releases and complex install instructions. Snapcraft enables thousands of applications from over a thousand developers, including well-recognised names like Spotify, Slack, and Microsoft. Likewise, Charmcraft enables collaboration between charmed operator developers, and publication on Charmhub , home of the Charmed Operator Collection. Charmed Operators enable developers to package software like databases, event queues, caches, observability tools, identity tools and more, right alongside the operations code that enables teams to integrate and operate that software at scale from Day 0 to Day 1,000, and beyond. And Rockcraft provides the means for container developers to build production-grade Ubuntu-based container images, regardless of their experience as a software developer. These container images are called Rocks and can be found in various popular container registries, like Docker Hub, offering an opinionated and consistent design that focus on security while providing an homogeneous user experience across all rocks. What we are looking for in you You have expertise in Python. You have a strong understanding of the makeup of a modern GNU/Linux distribution. You have a good understanding of build systems and toolchains, including for cross-compilation. Experience working with container technology, such as Docker, Kubernetes and LXD. Use your familiarity with languages, toolchains, frameworks, integrations, and CI systems to extend the snap build ecosystem Work with external open source and commercial projects to understand how we can better serve community needs. What we offer you Your base pay will depend on various factors including your geographical location, level of experience, knowledge and skills. In addition to the benefits above, certain roles are also eligible for additional benefits and rewards including annual bonuses and sales incentives based on revenue or utilisation. Our compensation philosophy is to ensure equity right across our global workforce. In addition to a competitive base pay, we provide all team members with additional benefits, which reflect our values and ideals. Please note that additional benefits may apply depending on the work location and, for more information on these, you can ask in the later stages of the recruitment process. Fully remote working environment - we’ve been working remotely since 2004! Personal learning and development budget of 2,000USD per annum Annual compensation review Recognition rewards Annual holiday leave Parental Leave Employee Assistance Programme Opportunity to travel to new locations to meet colleagues at ‘sprints’ Priority Pass for travel 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: Paris, Remote Workplace: remote At the start of 360Learning's growth, we were only 10 developers in the R&D department working on a single codebase. Today, we are a team of 60+ engineers divided into 10 product squads. Each squad includes developers, product managers and designers. Our technical teams are paramount to 360Learning’s response to our increasingly demanding customers and are strategic players for the growth of the company. We have the opportunity to:    Lead real and complex technical challenges: A complex codebase on which analysis and modeling capabilities are key. Significant traffic (2.3M registered users, 200K unique monthly visitors) with a considerable volume of data to manage. A strong focus on “clean architecture” for long-term growth.   Work on an attractive technical stack: We work on MongoDB, Node.js and Vue.js, three of the most popular JS technologies on the market. We are currently migrating to TypeScript.   Grow within a R&D team that allows rapid progress: Our decentralized peer review process provides us with qualitative and regular feedback from other team members. We promote pair programming and knowledge sharing. Within 1 month, you will: Discover the 360Learning platform Have a global view on our codebase Become familiar with team's processes Implement your first tickets Integrate our decentralized peer review process to adopt our best practices Within 3 months, you will: Join a squad : each squad has clear goals for innovation (e.g. driving users to create more courses), while also maintaining and improving product features and codebase that fall under its scope Work on the development of broader functionalities Level up your skills on our stack (Node, Vue, TypeScript, JS) Within 6 months, you will: Share your best practices within the team Create your own courses on the 360Learning platform Implement cross-functional tools, to allow the team to maintain its quality standards and increase its velocity Document, refactor, analyze features to maintain a high level of quality and transparency Within 12 months, you will: Onboard the new engineers in your team Be the owner of part of the codebase Work on complex functionalities that impact several teams and stakeholders Work on architectural changes impacting our entire codebase The Skill Set You have significant full stack programming experience including experience with Agile methodologies, SaaS software architecture, and modern programming languages You have an interest in JavaScript technologies (you don't have to be an expert!) You are used to creating quality interfaces : intuitive, efficient, elegant... You are comfortable with algorithms You have a product-oriented mindset and care deeply about the customers and the customer experience. Excellent organizational, communication, and collaboration skills Fluent English (US/UK) / B2 level or equivalent (FR) Enthusiasm for our working environment explained here: https://bit.ly/Convexity360L What We Offer Compensation: Package includes base salary and equity 📈 Benefits/Perks : Work From Home stipend, RTT, lunch vouchers, medical insurance, gym subscription, 1 month parental leave for the second parent. Balance: Flexible hours, full remote work possible anywhere in France 🏠 Diversity, Equity, and Inclusion : We have 6 active ERGs including Mental Health, Environmental/Sustainability, Women, Parents, LGBTQIA2S+, and Ethnic Diversity. Each group has at least one executive team member serving as a member of the group, bringing greater awareness to each group’s activities and providing a quick path to impact 🤝 Corporate Social Responsibility : Review our CSR Charter: 360learning.com/blog/corporate-social-responsibility-charter 🌎🌏🌍 Culture : A framework that will make you successful - envision what's it like to join 360Learning from onboarding to ramp-up, and beyond: 🚀👩🏻‍💻🏆 https://360learning.com/blog/360learner-journey/ Interview Process Phone Screen with our Talent Acquisition Manager Technical Test to do at home on HackerRank Discovery Meeting with a Software Engineer (including a Kata) Clarification Meeting with a Software Engineer Culture-fit interview with Fabrice , our Engineering Director Offer! Who We Are 360Learning enables companies to upskill from within by turning their experts into champions for employee, customer, and partner growth. With our LMS for collaborative learning, Learning & Development teams can accelerate upskilling with the help of internal experts instead of slow top-down training. 360Learning is the easiest way to onboard and upskill employees, train customer-facing teams, and enable customers and partners–all from one place. 360Learning powers the future of work at 1,700 organizations. Founded in 2013, 360Learning has raised $240 million with 400+ team members across North America and EMEA. Learning Includes Everyone. In concert with our culture, 360Learning believes learning includes everyone and that means embracing the strengths of diversity, connectedness, and inclusion. Through conscientious efforts, our global footprint celebrates cultures, perspectives, and experiences from all over the world to support our platform that is built for all regardless of race, ethnicity, gender identity or expression, sexual orientation, religion, age, neurodiversity, disability status, citizenship, veteran status or any other aspect which makes an individual unique or protected by laws and regulations in the locations where we operate. Thus, 360Learning is proud to be an equal opportunity workplace, and we commit to continue this throughout our processes for recruitment, compensation, benefits, performance, promotion, and all other conditions and terms of employment. We want to learn from and with you!