Front End Developer/Engineer

Ref: BBBH68182_1788956901

Front End Developer/Engineer

Whitehall Resources are currently looking for a Front End Developer/Engineer.

This role will be Inside of IR35, so you will be required to use an FCSA Accredited Umbrella Company.

Key Requirements:

– Experienced developer needed with experience working with a UI/UX Design lead and developing in JavaScript React.
– 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.

Key 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.

All of our opportunities require that applicants are eligible to work in the specified country/location, unless otherwise stated in the job description.

Whitehall Resources are an equal opportunities employer who value a diverse and inclusive working environment. All qualified applicants will receive consideration for employment without regard to race, religion, gender identity or expression, sexual orientation, national origin, pregnancy, disability, age, veteran status, or other characteristics.

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