UI/UX Designer

Company: Vallum Associates
Apply for the UI/UX Designer
Location: London
Job Description:

  • Turn business requirements into deliverable UI work (stories/tasks), shipping iteratively to production
  • Design UI solutions (layout, hierarchy, interaction patterns, error/empty/loading states) that meet user needs
  • Build accessible UI using semantic HTML, CSS, vanilla JS and Web Components
  • Contribute to shared UI libraries/patterns and the documentation that drives consistent adoption (everyone owns the libraries)
  • Champion standards: semantic HTML, accessibility, UI patterns; raise capability via pairing, reviews, workshops and documentation
  • Identify and address technical debt alongside delivery
  • Participate in production support and continuous improvement

Essential skills (all levels)

  • Consistent use of semantic HTML and pragmatic, maintainable CSS
  • Practical accessibility implementation (keyboard navigation, focus management, labelling, headings/landmarks; sensible ARIA; WCAG principles preferred)
  • UI/visual design judgement and the ability to explain trade-offs clearly
  • Comfortable consuming RESTful APIs and handling auth/error/edge cases in UI
  • Collaborative working style (pairing, constructive reviews, open communication)

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Posted: September 22nd, 2026