Software Development Engineer in Test (SDET)

London 5 months agoFull-time External
629k - 772.7k / yr
Software Development Engineer in Test (SDET) Fintech | London / Hybrid Join a fast-moving fintech company at the forefront of real-time trading technology. We're looking for a skilled SDET to help drive quality across a suite of high-performance web applications used by leading global financial clients. What You'll Do: • Build and maintain robust automated test suites across UI, integration, and backend layers • Contribute to the design of test frameworks and CI/CD pipelines • Collaborate with engineers, product managers, and UX to define and validate features • Perform exploratory testing and champion quality throughout the SDLC • Support secure deployment and testing practices in containerised environments Tech You’ll Work With: • Automation tools: Playwright, Cypress, JUnit, Jasmine • Languages: JavaScript/TypeScript, Java or Kotlin • DevOps & Infra: Docker, Kubernetes, GitLab CI, Bitbucket • Testing tools: Postman, browser dev tools, SAST/DAST integrations • Environments: Unix and Windows What You Bring: • Hands-on experience building test automation from scratch • Strong debugging and analytical skills • Comfortable reviewing code and contributing to testable architecture • Excellent communication and a collaborative mindset • Exposure to Agile teams and a curiosity for financial systems If you're ready to shape the quality strategy behind cutting-edge financial software, we’d love to hear from you. Bring your expertise, grow with a talented team, and help us deliver technology trusted by the world’s top institutions.