via reed · 28 May 2026 ·8 days ago

Senior Full Stack Developer (React / .NET)

Adecco
London Contract
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Senior Full Stack Developer (React / .NET) London (Hybrid) | 6 Months | Inside IR35

Our client, a leading global investment banking client is looking for a Senior Full Stack Developer with a strong front-end focus (React/JavaScript) to support the build-out of a new Engineering CoE.

Key Skills • React.js, JavaScript/TypeScript (essential, front-end heavy)

  • C# / .NET Core backend development

  • Microservices, APIs, and modern architecture

  • CI/CD, cloud (Azure preferred)

  • Strong engineering practices (code quality, testing, reusable components)

Desirable • Python or Power BI
  • Financial services experience

Role • Build scalable full stack applications with front-end emphasis
  • Develop APIs and contribute to engineering frameworks & best practices

  • Work within a fast-paced, global environment

If the role aligns with your experience please apply with your updated CV

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