Software Development Engineer in Test (SDET)

Sector:FinTech/Financial Services

Salary/Rate:£65,000-80,000

Job type:Perm

Town/City:London

County:London

Job ref:CP98H

Post Date:20. 06. 2025

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Meet Our Recruiter

Michael Brown

Technology Recruiter

0203 479 4933

michael@ncounter.co.uk

About the Role

CP98H

£65,000-£80,000

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.

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