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StackOne

Senior UI Engineer

StackOne
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10 months ago
London, United KingdomSenior / Mid Level

Responsibilities

  • Own the component library and shape the micro-frontend architecture.
  • Collaborate with designers to define and maintain the design system.
  • Ship pixel-perfect UIs primarily using React.
  • Optimize performance by instrumenting Core Web Vitals and analyzing bundle sizes.
  • Provide internal tooling and AI rules for front-end contributions.
  • Prototype and validate product ideas through interactive proofs-of-concept.
  • Host design-quality critiques and address visual debt.

Requirements

  • 4+ years of professional front-end engineering experience.
  • Proficiency in React and TypeScript at production scale.
  • Deep CSS fluency and experience with modern browser APIs.
  • Proven track record in building or migrating component libraries/design systems.
  • Strong performance tuning instincts with tools like Lighthouse.
  • Familiarity with monorepo tooling and micro-frontend patterns.
  • Ability to work with back-end code to resolve performance bottlenecks.

Benefits

  • Meaningful share options in the company.
  • 25 days of holiday plus an additional day for each year of tenure.
  • Private health insurance including dental and optical.
  • Daily lunch budget when working from the London office.
  • Home office setup budget and annual top-up.
  • Annual team offsite to sunny locations.
  • Discounts on health, fitness, and gift cards.
  • Hybrid work setup with typically 2 days in the office.

Tech Stack

CSSNode.jsReactSvelteTailwind CSSTypeScript