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Senior Full Stack Developer

SThree

London, England, United Kingdom Permanent June 18, 2026
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Opportunity Description

At SThree, we’re building a next‑generation candidate and contractor digital experience — and we’re looking for a Senior Full Stack Developer to help bring it to life. You’ll play a key role in designing and delivering a new contractor onboarding and placement management platform, working across Java back‑end services and modern React front‑ends, while championing AI‑first development practices.

What you'll be working on

As part of a small, high‑impact software engineering team, you’ll:

  • Design, develop, test, and support end‑to‑end solutions across Java (11+) back‑end and React (18+), TypeScript, JavaScript, HTML & CSS front‑end layers

  • Shape user experiences by producing wireframes, prototypes, and UI designs

  • Build and maintain UI‑driven automated tests and follow strong TDD practices

  • Collaborate with business and technology st...

  • Permanent Computer Occupations

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