Front End Developer - React, Next.js, Javascript

Role Overview

Experienced Front End Engineer to deliver user-centric digital services for public sector clients on a fully remote, Outside IR35 contract. You will build accessible, performant web applications aligned with GDS standards within multidisciplinary Agile teams.

Key Responsibilities

• Develop and maintain front-end applications using React and Next.js
• Build accessible, responsive UI compliant with WCAG 2.2 AA and the GDS Design System
• Collaborate with designers, product owners, and back-end engineers in Agile/Scrum delivery teams
• Write clean, testable JavaScript/TypeScript and implement unit and integration tests
• Implement SSR and SSG with Next.js
• Participate in technical decision-making and code reviews
• Ensure services meet GDS Service Standard and pass relevant assessments
• Optimise application performance and Core Web Vitals

Essential Skills & Experience

• 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)
• Knowledge of GOV.UK Design System and accessible front-end development (WCAG 2.2 AA)
• Agile/Scrum experience within government delivery frameworks
• Testing with Jest and React Testing Library; Cypress or Playwright
• Git (GitHub/GitLab) and REST API integration; understanding of microservices architecture

Desirable Skills

• Advanced TypeScript
• GOV.UK Prototype Kit and govuk-frontend
• Experience with design systems / component library development
• CI/CD (GitHub Actions, Jenkins, Azure DevOps)
• Cloud platforms (AWS, Azure)
• Performance optimisation and monitoring
• Accessibility auditing tools (axe, WAVE, PA11Y)