Front-End Engineer

Circa £50,000 plus discretionary bonus and benefits

Hybrid role 2 days a week in St Albans

the company is the UK’s leading comparison platform for home-moving services, connecting customers with trusted Conveyancers, Surveyors and Removal Companies. As a digital marketplace, we generate high-intent customer leads and real commercial value for our partners.

We’re looking for a talented Front-End Engineer to join our Technology team and help shape the future of our e-commerce platforms and customer experiences.

You’ll build fast, accessible, scalable user experiences across desktop, tablet and mobile, working closely with Product, Design, Testing and Data. You’ll contribute to technical decisions, help define front-end standards and join an engineering team that values excellence, automation, learning and modern software practices.

• Front-end development: Design, build and maintain responsive, high-performing web applications and reusable component libraries, contributing to architecture and technical design.
• UX and customer focus: Translate high-fidelity designs into intuitive customer journeys, championing mobile-first, inclusive and accessible design.
• Engineering excellence: Write clean, maintainable code using SOLID principles and design patterns, take part in code reviews and support engineering maturity.
• Testing and quality: Support a quality-first approach through automated tests, debugging and robust production-ready solutions.
• Continuous improvement: Keep up to date with modern frameworks, tools and trends to improve developer productivity and application performance.

• React: Strong experience building complex, scalable architectures using advanced component patterns including Compound Components, Render Props, Custom Hooks and Controlled/Uncontrolled components.
• Type Script: Strong understanding of static typing, generics and highly typed, self-documenting code.
• Next.js and Vercel: Production experience with App Router/Pages Router, SSR, SSG, ISR, optimisation and deployment within Vercel.
• Web fundamentals and UI: Strong understanding of the Critical Rendering Path, Browser Event Loop, HTML5, semantic markup, Flexbox, Grid and modern styling such as CSS Modules, Tailwind CSS or Styled Components.
• Responsive design and accessibility: Mobile-first delivery, cross-browser troubleshooting and WCAG 2.1/ARIA implementation for inclusive interfaces.

• RESTful APIs: Confident use of HTTP methods, status codes, payload design and clean parsing of nested JSON with Type Script.
• API clients: Build resilient data-fetching with fetch or Axios, including interceptors for token injection, retry logic, request deduplication and timeout handling.
• Protocols and security: Understand HTTP/1.1, HTTP/2 and HTTP/3, HTTPS, CORS, preflight requests, secure headers, OWASP Top 10 risks including XSS, CSRF and injection, plus OAuth 2.0, OIDC, SSO, MFA and secure Bearer token management.

• Performance: Reduce bundle size through code-splitting, dynamic imports, tree-shaking, asset/font optimisation and Core Web Vitals including LCP, FID/INP and CLS.
• State and caching: Client-side state management such as Zustand, Redux Toolkit or React Context, balanced with server-state tools such as Tan Stack/React Query or SWR for cache invalidation, background revalidation and optimistic UI updates.
• Browser caching: Use HTTP headers, Cache-Control, ETag, Local Storage, Session Storage and IndexedDB effectively.

• CMS and integration: Consume content from headless CMS platforms, ideally Umbraco, Contentful or similar, via REST or GraphQL APIs.
• Marketing and SEO: Implement technical SEO including metadata and schema markup, plus GA4, Google Tag Manager and tracking pixels.
• Workflow: Git, Gitflow or trunk-based development, automated CI/CD and Agile/Scrum delivery.
• Testing: Unit and integration testing using Jest, Vitest or React Testing Library.

• E-commerce: Exposure to e-commerce or Headless Commerce environments.
• GraphQL: Familiarity with queries, mutations and…