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.
Commercial experience with React and TypeScript.
Experience with a modern full-stack React framework, specifically Remix or React Router v7+.
Practical server-side rendering experience, including loaders/actions, forms, routing, error handling and server-side session patterns.
A clear understanding of progressive enhancement and the ability to build core journeys that do not depend entirely on client-side JavaScript.
Experience using Material UI to build reusable, accessible components.
Experience writing automated tests, including unit/integration tests and Playwright end-to-end tests.
Comfortable integrating with REST APIs and working with Git-based development and code-review processes.
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.
Node.js and Express, particularly where the frontend includes a server or backend-for-frontend layer.
Design-system and component-library development using custom design patterns, encompassing MUI, Storybook and Figma.
Runtime validation and contract-first API integration, for example Zod and OpenAPI-generated types.
Authentication, authorisation and secure session management using OAuth 2.0/OpenID Connect.
CI/CD, dependency management and frontend security practices.
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.
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