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# Front End Developer - React, Next.js, Javascript

- **Company:** Solirius Limited
- **Location:** UK (Remote available)
- **Salary:** £87,641.0
- **Contract:** Permanent contract
- **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, Application Performance Management, Microsoft Azure, Cloud Computing, Code Review, Github, Performance Tuning, Scrum Methodology, Next.js, TypeScript, Web Content Accessibility Guidelines, Web Applications, Web Usability, Network Routers, ReactJS, Cypress (Programming Language), Gitlab, Git, Material UI, Integration Tests, Playwright, Front End Software Development, React Testing Library, Restful APIs, Es2015, Software Version Control, Jenkins, Microservices
- **Published:** July 16, 2026
- **Apply:** https://www.adzuna.co.uk/jobs/details/5801491645

## About the Role

* Strong proficiency in React (hooks, context, state management)
 * Production experience with Next.js (App Router, SSR, SSG, API routes)
 * Advanced JavaScript (ES6+) and ideally TypeScript
 * Public sector / government digital delivery experience (e.g., GDS, NHS Digital, HMRC, DWP, MOJ, Home Office)
 * Understanding of GOV.UK Design System and accessible front-end development (WCAG 2.2 AA)
 * Experience working in Agile/Scrum teams within government delivery frameworks
 * Testing: Jest, React Testing Library, Cypress or Playwright
 * Version control with Git (GitHub/GitLab)
 * RESTful API integration and understanding of microservices architecture

Desirable Skills

 * TypeScript (advanced)
 * GOV.UK Prototype Kit
 * GDS Frontend (govuk-frontend)
 * Design systems and component library development
 * CI/CD pipelines (GitHub Actions, Jenkins, Azure DevOps)
 * Cloud platforms (AWS, Azure)
 * Performance optimisation and monitoring
 * Accessibility auditing tools (axe, WAVE, PA11Y)

## Description

We are looking for an experienced Front End Engineer on an Outside IR35 contract basis to deliver user-centric digital services for our public sector clients. This is a fully remote role focused on building accessible, performant web applications aligned with GDS standards. You will work within multidisciplinary agile teams to produce production-quality front-end solutions that make a real difference to public services., * Develop and maintain front-end applications using React and Next.js

 * Build accessible, responsive interfaces compliant with WCAG 2.2 AA and GDS Design System
 * Collaborate with designers, product owners, and back-end engineers in Agile delivery teams
 * Write clean, testable JavaScript/TypeScript with comprehensive unit and integration tests
 * Implement server-side rendering (SSR) and static site generation (SSG) using Next.js
 * Contribute to technical decision-making and code reviews
 * Ensure services meet GDS Service Standard and pass assessments
 * Optimise application performance and Core Web Vitals


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