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UX Front End Developer
£39,000 - 68,500
Austin Banks
Clifton Moor Gate, Sheffield
£39,000 - 68,500
Requirements
Must:
As a candidate, you should possess the following technical skills:
- HTML5 / CSS3: Demonstrable production code and portfolio links.
- JavaScript (ES6+): Minimum of 2 years’ experience using modern syntax.
- React (functional components and hooks): Experience in real-world applications and component libraries.
- Bootstrap 5: Skilled in custom theming and utility classes.
- .NET (C#) & ASP.NET Core: Experience with integrated front-end/back-end projects.
- TypeScript: Proven experience delivering fully typed React applications.
- State management: Familiarity with Redux, Context API, or similar—experience in shipped features.
- Git: A clean commit history, with experience in branching, rebasing, and PR workflow.
- GitHub Actions: Experience with CI pipelines that lint, test, and build.
- VS Code / Visual Studio: Confidence in configuring settings, extensions, and launch configurations.
- Accessibility: Knowledge of WCAG 2.1 and ARIA, including supporting audit/test results as evidence.
- Testing: Proficiency in Jest, React Testing Library, and Cypress/Playwright, along with coverage reports.
- Build tools: Experience with Webpack or Vite, npm or Yarn, emphasizing optimized bundles and code-splitting.
- CI/CD: Familiarity with GitHub Actions or Azure DevOps for automated deployments.
Additionally, desirable skills include:
- Experience with design systems (Storybook, Pattern Lab).
- Understanding of GraphQL and Apollo.
- Knowledge of Next.js (SSR/SSG).
- Experience building Progressive Web Apps (PWA).
- Capability in performance profiling using Core Web Vitals or Chrome DevTools.
- Competence with Docker for front-end containers.
- Familiarity with UX research methods (user testing, usability studies).
Responsibilities
In this role, I will be responsible for:
- Translating designs from Figma or Sketch into pixel-perfect, responsive web pages.
- Ensuring the front end looks and behaves exactly as intended across different devices and browsers.
- Creating a well-documented component library using React and Storybook.
- Styling with Bootstrap 5 while maintaining flexibility for custom themes and utilities.
- Versioning and maintaining components through Git.
- Building clean and strongly typed API calls using Axios or Fetch.
- Implementing robust error handling and secure authentication flows.
- Delivering interfaces that comply with WCAG 2.1 AA standards.
- Achieving Lighthouse performance, accessibility, and best practice scores of 90% or above for every release.
- Participating in daily stand-ups, sprint planning, demos, and retrospectives.
- Collaborating closely with team members to deliver features iteratively and efficiently.
- Utilizing Jest and React Testing Library for unit testing and running end-to-end tests with Cypress or Playwright.
- Maintaining at least 80% test coverage across projects.
- Configuring and running GitHub Actions pipelines.
- Automating linting, testing, building, and deployment processes with no manual steps.
- Reviewing pull requests thoroughly and constructively while enforcing coding standards, type safety, and documentation.
- Hosting brown-bag sessions on best practices (e.g. Git workflows, VS Code tips, performance tuning).
- Supporting less experienced developers through guidance and feedback.
- Staying up to date with front-end frameworks, tools, and design system trends and proposing practical improvements to enhance our developer experience and product quality.
Description
We are located in Sheffield and are offering a full-time, permanent position with a salary range of £35,000 - £50,000 depending on experience. Our working hours are Monday to Friday, and we provide excellent career progression opportunities with a clear development path. Benefits include discounts at bars and restaurants across Sheffield, regular company events, free on-site parking, a contributory pension scheme, and a generous annual leave allowance. As part of a modern development environment, you will work with tools such as Figma, Sketch, Adobe XD, VS Code, Git, GitHub Actions, npm, Yarn, and various testing frameworks. You will also engage with cross-browser testing tools and project management applications. We encourage collaboration and continuous learning within our team to maintain high-quality standards in our development processes.
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