Senior React Developer- SC Cleared

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.

This role requires a developer who combines strong Front End expertise in React and JavaScript with working knowledge of Back End technologies such as Node.js, and the ability to build scalable, accessible, and performant applications aligned with government standards.

The successful candidate will operate in an Agile delivery environment, collaborating with cross-functional teams to deliver intuitive and secure digital solutions.

Key Responsibilities

1. Front End Development

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 (eg, WCAG guidelines) and are usable across a wide range of devices and browsers. Implement pixel-perfect UI aligned with design specifications and UI/UX best practices.

1. Full-Stack Development

Contribute to Back End development using Node.js or similar technologies. Develop and maintain RESTful APIs and integrate Front End applications with Back End services. Support end-to-end feature development from UI through to data layer.

1. UI/UX & Accessibility

Apply 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.

1. API Integration & Data Handling

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.

1. Agile Delivery & Collaboration

Work within Agile (Scrum/Kanban) delivery teams, contributing to sprint planning, stand-ups, and retrospectives.

Collaborate closely with: Product Owners Designers Backend Developers DevOps Engineers Contribute to continuous improvement of development processes.

1. Security & Compliance

Ensure development aligns with secure coding practices required in a public sector environment. Adhere to government security policies and standards, particularly for SC-cleared environments. Support implementation of authentication, authorization, and data protection measures.

1. Testing & Quality Assurance

Write clean, maintainable, and testable code. Participate in unit testing, integration testing, and code reviews. Troubleshoot and debug issues across the application stack.

Mandatory Requirements

Active SC Clearance (essential)

Strong experience in: React.js development JavaScript (ES6+)

Node.js or other Back End technologies Building responsive and accessible Front End applications HTML5, CSS3, and UI/UX best practices

Proven experience integrating with: RESTful APIs/Back End services Experience working in Agile delivery environments

Desirable Skills Experience with state management libraries (eg, Redux, Zustand) Familiarity with modern Front End tooling (Webpack, Vite, Babel) Knowledge of TypeScript Experience with testing frameworks (Jest, Cypress, React Testing Library) Exposure to CI/CD pipelines and DevOps practices Experience in public sector or government digital services