Senior Frontend Engineer (Contractor)

📋 Description Design, develop, and deliver responsive UIs with React, TypeScript, Material UI Own frontend features from design to deployment and improve them Build complex, validated forms for desktop, tablet, and mobile Develop and maintain unit, integration, and end-to-end tests Optimize performance, accessibility, and Core Web Vitals Collaborate with product, design, and backend engineers 🎯 Requirements Minimum 5 years React experience Strong TypeScript, React, Material UI v5+, Redux Toolkit, RTK Query Advanced CSS: Flexbox, Grid, responsive/mobile-first Experience with React Hook Form Frontend testing with Jest, RTL, Cypress, Playwright or similar Performance optimization: lazy loading, code splitting, profiling 🎁 Benefits Fully remote contractor in Europe End-to-end ownership of frontend features Work on a modern SaaS platform for mission-critical ops Collaborative environment with design/product/engineering AI-first engineering culture with cutting-edge tools Opportunity to influence frontend architecture and design systems