React Developer

SC + NPPV3 Cleared React Developer

• Location: Remote (with occasional on - site visits to London)
• Clearance Required: Active SC and NPPV 3
• Contract Length: 6 months
• Inside IR35
• Start: ASAP

Overview

We are looking for an experienced React Developer with active SC and NPPV3 clearance to join a secure public - sector programme on a 6 - month contract. The role is predominantly remote, with occasional travel to London for workshops, sprint reviews, or stakeholder sessions. You ' ll be part of a multidisciplinary agile team delivering secure, user - focused front - end applications for a policing or government environment.

Key Responsibilities

• Develop, maintain, and optimise modern front - end applications using React and related technologies
• Build reusable components and front - end libraries with a strong focus on performance and security
• Collaborate with UX/UI designers, back - end engineers, and security teams to deliver compliant, accessible interfaces
• Integrate front - end applications with secure APIs and microservices
• Participate in code reviews, pair programming, and continuous improvement initiatives
• Troubleshoot and resolve issues across browsers, devices, and environments
• Contribute to CI/CD pipelines and automated testing practices
• Attend occasional on - site meetings in London as required

Essential Skills & Experience

• Active SC + NPPV3 clearance
• Strong commercial experience with React, TypeScript, and modern JavaScript (ES6+)
• Experience with Redux, React Query, or other state - management libraries
• Solid understanding of RESTful APIs, front - end integration patterns, and secure data handling
• Experience working in secure government, policing, or regulated environments
• Strong knowledge of HTML5, CSS3, and responsive design principles
• Familiarity with CI/CD pipelines and Git - based workflows
• Experience with front - end testing (Jest, React Testing Library, Cypress, etc.)
• Comfortable working in A gile/Scrum teams

Desirable Skills

• Experience with Next.js, Vite, or other modern build tools
• Knowledge of Docker or containerised development workflows
• Familiarity with design systems (GDS, Material UI, Chakra, etc.)
• Understanding of accessibility standards (WCAG 2.1 AA)
• Exposure to public - sector digital services or law - enforcement systems
• Experience with GraphQL, WebSockets, or real - time interfaces
• and project appeal.