Senior SDET – Web & Mobile API Testing in .NET

La Fosse has partnered with a SaaS business to recruit an experienced SDET for a growing team. This role will drive quality across a complex suite of web and mobile applications, working with engineering to improve testing capability, increase automation, and support the platform's ongoing modernisation.

The role requires strong C# / .NET experience, API testing background, and the ability to operate as a senior, self-sufficient QA, setting direction rather than taking it.

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