Mar 12, 2026
Job Title: Senior Software Engineer in Test
Type: Inside IR35 Contract
Rate: £600-£650 per day
Duration: 6 months minimum (likely to extend)
Location: London - 3 days on site (Canary Wharf)
A large fintech business are looking for a senior-level quality engineer with a strong software engineering mindset to help shape and safeguard new UI and platform capabilities across complex workflow-driven systems on a contract-basis. This role sits embedded within product engineering, operating in a shared ownership model alongside Java and React developers, with a heavy emphasis on automation.
What you’ll be doing
Building and maintaining automated coverage across the stack, from APIs through to user journeys, using established internal tooling and frameworks.
Evolving existing test frameworks where required, while staying aligned with core engineering standards.
Working closely with frontend and backend engineers to ensure critical paths are well understood, well tested, and...
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Inside IR35
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CV-Library
London, UK
Contractor