Frontend Engineer - Mobile
Job description
Frontend Engineer on Betr's mobile team, building React Native and TypeScript applications for its sportsbook, social sweepstakes sportsbook, arcade and casino products across iOS, Android and web. The role owns features end-to-end, including real-time data feeds, graphics and animations.
At a glance
- Work mode
- Remote · Canada
What you'll do
- 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
What we're looking for
- 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
- Experience debugging platform-specific issues
- Understanding of mobile performance optimization
Nice to have
- Sports betting, gaming, or fintech experience
- Canvas-based graphics experience (React Skia or similar)
- Real-time data architecture (WebSocket management, GraphQL subscriptions)
- React Native Web / multi-platform experience
- Design system tooling (Storybook, visual regression testing)
- Payment integration experience (IAP, 3DS verification)
- E2E mobile testing experience
Your team
mobile team
Benefits
- High Impact: Own significant features that directly affect user experience and business metrics
- Technical Depth: Real-time systems, hardware-accelerated graphics, physics-based animation—not just standard mobile UI
- Product Variety: Work across sportsbook, casino, and fantasy verticals
- Growth: Rapidly expanding into new states and product lines
- Remote-First: Work from anywhere in Canada
Apply
Direct apply at Betr
Opens the job posting at Betr
About Betr
The world's first real money gaming Super App
Founded in 2022 by Joey Levy and Jake Paul, Betr has built the world's first real money gaming Super App. The Betr super app currently consists of Picks, Social Sportsbook, Social Casino, and Arcade - and will soon include Prediction Markets alongside other new products. Betr has one million paying users and is one of the fastest growing companies in the industry. Betr is also the world's most followed real money gaming brand on social media.
Key facts
- 2022
- real money gaming
- Founded in 2022 by Joey Levy and Jake Paul
- One million paying users
- One of the fastest growing companies in the industry
- World's most followed real money gaming brand on social media
- Super app consists of Picks, Social Sportsbook, Social Casino, and Arcade
- Will soon include Prediction Markets alongside other new products