Contract Full-Stack JavaScript Developer - React &am...

Contract Node.js & React Engineer 📅 6‑month contract (extensions likely) 💸 £400 per day – Inside IR35 🏢 60% Hybrid – Newcastle, London, Leeds or Blackpool Opus is working with a leading consultancy delivering high‑impact services for a UK Government department. We’re looking for a Node.js & React Engineer with Nunjucks experience to help build and evolve accessible, high‑volume digital systems. 🔍 What You’ll Be Doing Building user‑facing features using React & TypeScript Developing server‑side functionality with Node.js Working with Nunjucks templating for government service patterns Supporting high‑traffic, transactional systems Writing clean, test‑driven code (TDD / Jest) Improving CI/CD pipelines and development automation Contributing to ever‑greening and modernisation Ensuring WCAG‑compliant accessibility Collaborating across multiple agile delivery teams✅ Required Experience Strong JavaScript experience (frontend & backend) React with modern frontend practices Node.js Nunjucks templating experience TypeScript TDD and automated testing CI/CD tooling (GitLab CI, Jenkins or GitHub Actions) Experience delivering large‑scale digital services⭐ Nice to Have CASA or (url removed) Design System experience SQL / NoSQL databases Redis or similar caching tools API & microservices integration Cloud platforms (AWS or Azure) Docker / containerisation exposure SC eligibility (not mandatory)📩 Apply now or get in touch to discuss suitability and team fit