Front End Developer

Front End Engineer Rate: £500 £579 Clearance Required:BPSS Duration:6 months Location:Telford 2 days onsite Job Description: Front End Developer (React) to join the CORE Mod. team in Tax Admin. Experienced developer needed with experience working with a UI/UX Design lead and developing in JavaScript React.

Minimum requirements Strong frontend fundamentals: semantic HTML, modern CSS and JavaScript, including responsive and accessible development.<br />Commercial experience with React and TypeScript.<br />Experience with a modern full-stack React framework, specifically Remix or React Router v7+.<br />Practical server-side rendering experience, including loaders/actions, forms, routing, error handling and server-side session patterns.<br />A clear understanding of progressive enhancement and the ability to build core journeys that do not depend entirely on client-side JavaScript.<br />Experience using Material UI to build reusable, accessible components.<br />Experience writing automated tests, including unit/integration tests and Playwright end-to-end tests.<br />Comfortable integrating with REST APIs and working with Git-based development and code-review processes.<br />Accessibility to WCAG 2.2 AA, including semantic HTML, keyboard navigation, screen-reader testing and automated accessibility checks.Ideal additional experience React Router framework mode, including data APIs, nested routes, form actions and streaming SSR.<br />Node.js and Express, particularly where the frontend includes a server or backend-for-frontend layer.<br />Design-system and component-library development using custom design patterns, encompassing MUI, Storybook and Figma.<br />Runtime validation and contract-first API integration, for example Zod and OpenAPI-generated types.<br />Authentication, authorisation and secure session management using OAuth 2.0/OpenID Connect.<br />CI/CD, dependency management and frontend security practices.<br />Experience working in regulated or government environments and collaborating closely with various stakeholders, including UX, API, test and platform teams.

Additional Notes This is potentially up to a 12-month assignment and the applicant must be able to attend Telford (@Phoenix) 2 days a week minimum. If you receive suspicious outreach claiming to be from us, please contact us via the ManpowerGroup website