Frontend Engineer — Real-Time React Native (Remote in Canada)

Remote; San Francisco (CA); Remoto; USD 120.000 - 180.000; Tempo pieno

Descrizione del lavoro

Betr is seeking a Frontend Engineer to join our mobile team. You will build React Native and TypeScript applications powering our Sportsbook, Social Sweepstakes Sportsbook, Arcade, and Casino across iOS, Android, and web.

This high-impact role involves end-to-end feature ownership with real-time WebSocket data feeds, canvas-based graphics, and a design system with 100+ shared components. Remote-first role, Canada-based.

Competenze

• 4+ years of professional front-end development.
• 2+ years building production React Native apps (iOS and Android).
• Strong TypeScript skills with modern patterns.
• Experience with Reanimated: shared values, worklets, gesture handlers.
• Track record shipping polished, production-quality mobile apps.

Mansioni

• Build and ship features for sportsbook, casino, and fantasy apps using React Native.
• Implement complex UI: market layouts, betting slips, player props, lobby experiences.
• Create physics-based animations and gesture-driven interactions (carousel pagers, radial controls, animated transitions).
• Work with canvas-based graphics for player cards, game visualizations, and dynamic effects.
• Contribute to our theme-based design system with 100+ shared components.
• Build and maintain WebSocket subscriptions for live odds, match updates, and user notifications.
• Implement state synchronization between real-time streams and local stores.
• Handle deep linking from push notifications, attribution links, and web referrals.
• Integrate payment flows: in-app purchases, bank transfers, card entry with verification.
• Debug and fix platform-specific issues across iOS, Android, and web.
• Optimize performance: animation frame rates, render efficiency, memory management.
• Write worklet functions for animation-thread execution.
• Maintain E2E automation tests and contribute to CI/CD pipelines.

Conoscenze

Frontend development

React Native

TypeScript

Reanimated

Performance optimization

Strumenti

WebSocket

GraphQL

React Skia

Descrizione del lavoro

Betr is seeking a Frontend Engineer to join our mobile team. You will build React Native and TypeScript applications powering our Sportsbook, Social Sweepstakes Sportsbook, Arcade, and Casino across iOS, Android, and web.

This high-impact role involves end-to-end feature ownership with real-time WebSocket data feeds, canvas-based graphics, and a design system with 100+ shared components. Remote-first role, Canada-based.