> Markdown version of [/jobs/ext/3765371-react-developer](https://www.wearedevelopers.com/jobs/ext/3765371-react-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # React Developer - **Company:** Insight - **Location:** London, UK - **Salary:** £91,817.0 - **Contract:** Permanent contract - **Skills:** Adobe Analytics, JavaScript (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, HTML5, Automation of Tests, Microsoft Azure, Cascading Style Sheets (CSS), Continuous Integration, Software Design Patterns, DevOps, Scrum Methodology, TypeScript, Web Content Accessibility Guidelines, Web Applications, Pega, Cloud Platform System, ReactJS, Software Security, Cypress (Programming Language), Git, Syntactically Awesome Style Sheets (SASS), Webpack, Npm(Software), Graphql, React Testing Library, Restful APIs, Es2015 - **Published:** October 16, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5929351039 ## About the Role Work effectively in Agile/Scrum environments and demonstrate strong communication and problem-solving skills. - (Desirable) Experience with Pega Platform, Pega Constellation, Pega DX API, cloud architectures (Azure, AWS), GraphQL, micro-frontends, and WCAG 2.1 AA accessibility. - Demonstrate analytical, pragmatic, and collaborative attributes, with a passion for high-quality and accessible user experiences. ## Description 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 for scalability and maintainability. - Integrate front-end applications with REST APIs and enterprise back-end services. - Collaborate with UX/design teams to deliver intuitive user experiences aligned with enterprise design systems. - Implement robust state management, routing, authentication, and application security practices. - Participate in solution design, technical architecture reviews, estimation, and delivery planning. - Work with Pega delivery teams to configure or extend Constellation-based user experiences as needed. - Ensure solutions meet standards for performance, accessibility, scalability, maintainability, and security. - Support CI/CD pipelines, automated testing, and DevOps practices. - Mentor junior developers and contribute to engineering standards and reusable practices. - Apply strong expertise in React, TypeScript, JavaScript (ES6+), HTML5, CSS3, SASS, and modern front-end tooling (e.g., Vite, Webpack, npm, Git). - Use automated testing frameworks such as Jest, React Testing Library, or Cypress.