UI/UX Designer: Accessible, Component‑Driven UI

Vallum Associates; Greater London; On-site; GBP 50,000 - 80,000; Full time

Job summary

Vallum Associates is seeking a frontend/UI engineer to turn business requirements into deliverable UI work, shipping iteratively to production. You will design UI solutions focusing on layout, hierarchy, interaction patterns and state handling to meet user needs using semantic HTML, CSS, vanilla JS and Web Components.

You'll contribute to shared UI libraries and documentation, champion accessibility and standards, address technical debt, and participate in production support and continuous

Qualifications

• Proficient use of semantic HTML and maintainable CSS.
• Practical accessibility implementation including keyboard navigation, ARIA labeling and WCAG principles.
• UI/visual design judgement and ability to explain trade-offs clearly.
• Comfortable consuming RESTful APIs and handling auth/error/edge cases in UI.
• Collaborative working style with pairing, code reviews and open communication.

Responsibilities

• 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 and documentation.
• Identify and address technical debt alongside delivery.
• Participate in production support and continuous improvement.

Skills

semantic HTML

accessibility

UI design judgement

RESTful APIs

collaboration

Job description

Vallum Associates is seeking a frontend/UI engineer to turn business requirements into deliverable UI work, shipping iteratively to production. You will design UI solutions focusing on layout, hierarchy, interaction patterns and state handling to meet user needs using semantic HTML, CSS, vanilla JS and Web Components.

You'll contribute to shared UI libraries and documentation, champion accessibility and standards, address technical debt, and participate in production support and continuous