Software Development Engineer in Test (SDET)

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.