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Senior QA Engineer
1Inch
Quality Assurance
Dubai - United Arab Emirates
Posted on Nov 21, 2025
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 hire with a focus on Dubai and Europe. For this role, we prefer candidates who are either based in Dubai or working remotely within +/- 4 hours GST time.
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.
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
- Travel with us! We host an annual team retreat at a top international location