Senior Frontend Engineer (Contractor)

📋 Description

• Design, build, and deliver responsive UIs using React, TypeScript, Material UI
• Own features from design to deployment and improvement
• Build complex forms and ensure strong UX across devices
• Write automated tests (unit/integration/e2e) for reliability
• Optimize performance, accessibility, and Core Web Vitals
• Collaborate with product, design, and backend teams

🎯 Requirements

• Minimum 5 years with production React apps
• Expert in TypeScript, React, Material UI v5+, Redux Toolkit, RTK Query
• Advanced CSS (Flexbox, Grid, responsive, mobile-first)
• Experience with React Hook Form, Jest, RTL, Cypress/Playwright or similar
• Perf optimization: lazy loading, code-splitting, profiling
• Pixel-perfect from Figma, Agile, Git workflows, Vite/Webpack

🎁 Benefits

• Fully remote contractor, based in Europe
• Ownership of frontend features end-to-end
• Work on a modern SaaS platform for mission-critical ops
• Collaborative cross-team environment with AI-assisted tooling
• Influence frontend architecture and design systems
• Flexible remote work within distributed international team