Senior QA Engineer
Job Description
1inch is the DeFi ecosystem building financial freedom for everyone. 1inch products help users and builders trade, hold and track digital assets - with the self-custody, comprehensive security and the intuitive user experience they need to unlock the potential of true crypto ownership. 1inch protocols and APIs provide core infrastructure across the DeFi industry and beyond.
So if you’re someone who thinks big, moves fast and wants to make an impact right from day one, then get ready to join our industry-changing team.
Location: We prioritise candidates who are based in Dubai then consider those working remotely in one of our European Hub Locations (UK, Spain or Germany).
As a Senior QA Engineer for our Developer Portal, you’ll be responsible for ensuring the quality, performance, and security of our Web3 APIs SaaS platform. You’ll work on testing both developer-facing web applications and underlying APIs, validating blockchain integrations, and ensuring a seamless developer experience. Your work will directly impact the reliability of our DeFi infrastructure and the satisfaction of the developer community using the 1inch APIs platform.
Requirements
Responsibilities Design and execute test plans for UI, REST APIs, WebSocket APIs. Ensure the accuracy of API documentation, code samples, and developer tools. Conduct cross-browser and cross-device testing for the Developer Portal UI. Actively participate in the improvement of quality assurance processes and procedures on the project Develop test data strategies for blockchain environments using mocks, simulators, and public testnets. Partner with developers, product managers, and blockchain engineers to define acceptance criteria and embed QA early in the development cycle. Integrate automated tests into CI/CD pipelines (GitHub Actions) Mentor junior QA engineers on testing methodologies. Requirements 5+ years in QA engineering, with 2+ years working on SaaS/API products. Basic knowledge of Web3 fundamentals: blockchain concepts, EVM chains, web3 nodes, wallets, and smart contracts. Proven experience in API testing and automation frameworks. Proficient in writing and maintaining unit, integration, and end-to-end tests. Experience in CI/CD environments with Git-based workflows General understanding of Agile/Scrum methodologies Strong understanding of QA methodologies for both UI and API layers. Skills JavaScript/TypeScript Unit Testing API Testing - Rest, Websockets, Automation Frameworks - Playwright, CodeceptJS CI/CD - Git-based Workflows - Github Actions Ticketing Systems - Jira Excellent English communication skills (written and spoken). Nice to have Familiarity with observability tools (Grafana) for monitoring performance and stability. Previous experience in Web3, De-Fi, Blockchain and/or Cryptocurrency Why work for us? Join a young, creative team in a fast-paced and supportive environment We’re open to new ideas — if you’ve got a vision, pitch it and make it happen Enjoy competitive pay that matches your skills and experience Be part of a company that’s shaping the future of DeFi Take time when you need it — we offer unlimited vacation days Get fully compensated for your work gear — we’ll set you up for success
About 1inch
1inch is at the forefront of the decentralized finance (DeFi) revolution, building innovative solutions that empower users with greater control and efficiency over their digital assets. As a leading DEX aggregator, we specialize in developing sophisticated algorithms that scour multiple decentralized exchanges to find and execute optimal trading paths, ensuring the best possible prices and lowest fees for our users. Our mission is to make DeFi accessible, secure, and highly performant for everyone, contributing to a more open and transparent financial future. Our culture at 1inch is driven by a passion for cutting-edge technology, constant innovation, and a collaborative spirit. We foster an environment in Dubai where brilliant minds can thrive, tackle complex challenges, and contribute directly to the evolution of Web3. We value independent thinking, proactive problem-solving, and a commitment to excellence, encouraging our teams to push boundaries and redefine what's possible in the blockchain space. Joining 1inch means becoming part of a dynamic, globally distributed team that is shaping the future of finance. We offer unparalleled opportunities for professional growth, allowing you to work on impactful projects with a direct influence on our product and community. If you are eager to make an indelible mark in blockchain technology and decentralized finance, and want to contribute to an organization that values innovation and impact, explore our open positions and build the future with 1inch.
Ready to Apply?
To submit your application for this position, please visit 1inch's official website and follow their application process.