Senior Test Automation Engineer / SDET – London

Contract opportunity at Resillion, working on Asset and Fund Management on the Aladdin platform. The role involves building and maintaining advanced test automation frameworks, leading quality initiatives, and mentoring junior engineers.

Key Responsibilities

• Design, build, and maintain advanced test automation frameworks using Playwright, SpecFlow, and custom tools in C#, Python, and JavaScript/TypeScript.
• Drive end‑to‑end test coverage across UI, API, and data layers – functional, performance, and non‑functional testing.
• Act as the technical leader, liaising between automation architects, engineering teams, and project stakeholders.
• Champion quality engineering practices and help build a best‑in‑class QA culture.
• Lead code reviews, mentor junior engineers, and implement strategic improvements in tooling and processes.
• Provide technical demos and kno...