Senior React Developer

Salary: £56,000 - 96,000 per year

Requirements:

• Active SC Clearance
• Strong experience in React.js development
• Strong experience in JavaScript (ES6+)
• Experience with Node.js or other backend technologies
• Experience building responsive and accessible front-end applications
• Experience with HTML5, CSS3, and UI/UX best practices
• Proven experience integrating with RESTful APIs and backend services
• Experience working in Agile delivery environments
• Experience with state management libraries such as Redux or Zustand
• Familiarity with modern front-end tooling such as Webpack, Vite, and Babel
• Knowledge of TypeScript
• Experience with testing frameworks such as Jest, Cypress, and React Testing Library
• Exposure to CI/CD pipelines and DevOps practices
• Experience in public sector or government digital services

Responsibilities:

• Design, develop, and maintain responsive web applications using React.js and modern JavaScript (ES6+)
• Build reusable components and front-end libraries for scalability and efficiency
• Ensure applications meet accessibility standards and are usable across a wide range of devices and browsers
• Implement pixel-perfect UI aligned with design specifications and UI/UX best practices
• Contribute to backend development using Node.js or similar technologies
• Develop and maintain RESTful APIs and integrate front-end applications with backend services
• Support end-to-end feature development from UI through to the data layer
• Apply a strong understanding of HTML5, CSS3, and modern styling frameworks
• Ensure applications are user-centric, intuitive, and aligned with public sector digital standards
• Collaborate with UX/UI designers to create seamless user experiences
• Integrate front-end components with RESTful APIs and microservices
• Handle asynchronous data flows, state management, and error handling effectively
• Ensure secure and efficient data exchange between systems
• Work within Agile delivery teams, contributing to sprint planning, stand-ups, and retrospectives
• Collaborate closely with Product Owners, Designers, Backend Developers, and DevOps Engineers
• Contribute to continuous improvement of development processes
• Ensure development aligns with secure coding practices required in a public sector environment
• Adhere to government security policies and standards for SC-cleared environments
• Support implementation of authentication, authorization, and data protection measures
• Write clean, maintainable, and testable code
• Participate in unit testing, integration testing, and code reviews
• Troubleshoot and debug issues across the application stack

Technologies:

• Babel
• Backend
• CI/CD
• Cypress
• DevOps
• ES6
• HTML5
• Support
• JavaScript
• Jest
• React
• Redux
• Security
• TypeScript
• Webpack
• Web
• microservices
• UX UI Design
• NodeJS
• API
• Kanban

More:

We are a global recruitment specialist supporting clients across EMEA, APAC, the US, and Canada, and we have an excellent opportunity for a Senior React Developer. This is a remote role with a duration through 30/09/2026 and a rate of 537 GBP per day inside IR35. We are seeking an experienced SC Cleared React Developer with strong full-stack capabilities to support the delivery of high-quality, user-centric digital services within a secure public sector environment. The role offers the opportunity to work in an Agile delivery environment, collaborating with cross-functional teams to deliver intuitive and secure digital solutions. Candidates are often shortlisted within 48 hours.

last updated 34 week of 2026