React Developer (SC cleared)

Security Clearance: Active SC Clearance (mandatory)

Travel: Occasional travel within the UK as required by the client

Key Responsibilities

• Design and develop responsive, accessible and high-performing web applications using React and TypeScript.
• Build reusable UI components, design patterns and shared front-end libraries.
• Integrate front-end applications with REST APIs and enterprise back-end services.
• Work with UX and design teams to deliver intuitive user experiences aligned with enterprise design systems.
• Implement appropriate approaches to state management, routing, authentication and application security.
• Contribute to solution design, technical architecture reviews, estimation and delivery planning.
• Collaborate with Pega delivery teams to configure, extend or integrate Constellation-based user experiences where required.
• Ensure solutions meet agreed standards for performance, accessibility, scalability, maintainability and security.
• Support CI/CD pipelines, automated testing and DevOps practices.
• Mentor less experienced developers and help establish engineering standards and reusable practices.

Required Skills and Experience

• At least five years of commercial experience developing modern web applications.
• Strong practical expertise in React and TypeScript.
• Experience with HTML5, CSS3, SASS and responsive user interface design.
• Experience consuming RESTful APIs and JSON-based services.
• Familiarity with contemporary front-end tooling such as Vite, Webpack, npm and Git.
• Experience with automated testing frameworks such as Jest, React Testing Library, Cypress or equivalent.
• Sound understanding of secure software development and common front-end security risks.
• Experience working in Agile or Scrum delivery environments.
• Strong communication, collaboration and problem-solving skills.

Indicative Technical Stack

• HTML5, CSS3 and SASS
• REST APIs and JSON services
• Git and modern package/build tooling
• Jest, React Testing Library and/or Cypress
• Azure DevOps and/or GitHub
• CI/CD pipelines and automated quality controls