1 of 1 Permanent Performance Tuning Jobs in Sheffield

UX Front End Developer Sheffield Full time, Permanent. £35,000 - £50,000 DOE Monday – Friday We are hiring a UX Front-End Developer to help us deliver accessible, high-performance web applications. You’ll be part of a cross-functional product team, working closely with designers, back-end engineers, and stakeholders to bring designs to life and ensure smooth … 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. Taking part in daily stand-ups, sprint planning, demos, and retrospectives. Working closely with team members to … no manual steps. Reviewing pull requests thoroughly and constructively. 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. Proposing practical improvements to enhance More ❯