Senior Frontend Developer

10CloudsWarszawa, Województwo mazowieckie, Polska

30+ days ago

Job description

Mission

: Build an intuitive, responsive, and real-time user experience that transforms how people find and secure shared living spaces.

Key Responsibilities

Develop responsive React 18+ application with TypeScript
Implement real-time features using WebSocket for chat, notifications, and live updates
Build complex UI components including search filters, map integrations, and payment flows
Create group collaboration features with real-time synchronization
Ensure WCAG 2.1 AA accessibility compliance
Integrate with third-party services (Mapbox / Google Maps, for chat)
Optimize performance for mobile and desktop experiences

Required Skills

5+ years of React development experience

Strong TypeScript and modern JavaScript (ES6+)

Experience with state management (Redux Toolkit / Zustand)

Proven experience with real-time applications and WebSocket

Expertise in responsive design and CSS-in-JS solutions

Experience with testing frameworks (Jest, React Testing Library, Cypress)

Understanding of CI / CD pipelines and Git workflows

Nice to Have

Experience with marketplace or e-commerce platforms

Knowledge of payment integration (Stripe)

Experience with map libraries and geolocation services

Background in building collaborative features

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Senior Frontend Developer • Warszawa, Województwo mazowieckie, Polska

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