Senior UI Architect & Developer

Our goal is to strengthen the brand in Spain. We are looking for an expert to work as Senior UI Architect & Developer.

Responsibilities and Technical Expertise

• ARCHITECTURE: Atomic Design + Compound Components, Headless UI patterns, React Context + Zustand/Redux Toolkit, Code splitting, lazy loading, virtual scrolling (TanStack Virtual), Suspense/Streaming, Zustand/Jotai for local state, Redux Toolkit Query for API caching, React Query v5.
• CORE DEVELOPMENT: React 19+, TypeScript 5+, Concurrent Features (useTransition, DMND useOptimistic), Server Components, TailwindCSS + Headless UI, CSS-in-JS (Vanilla Extract/styled-components), CSS Grid/Flexbox mastery, Vitest + React Testing Library, MSW for API mocking, Playwright E2E, Storybook testing.
• DESIGN SYSTEM: Figma tokens → Tailwind config → ThemeProvider, Dark mode, responsive breakpoints, shadcn/ui + Radix UI primitives, fully accessible ARIA component...