Frontend Engineer - Mobile
Team: Engineering
Location: Canada
Commitment: Full Time
Workplace Type: remote
ABOUT BETR
Founded in 2022 by Joey Levy and Jake Paul, Betr has built the world's first real money gaming super app. Our product suite spans Picks, Social Sportsbook, Social Casino, and Arcade, with Predictions launching later this year. Betr Picks launched in September 2023, which has quickly become one of the leading fantasy sports pick 'em products in the U.S. The product is currently available in 34 states. In September 2025, we launched Betr Social Sportsbook and Betr Arcade. Since launch, Betr Social Sportsbook, which is live in 32 states, has been one of the fastest growing products in the industry. Betr Arcade has quickly emerged as a leading skill games platform and is live in 38 states. Betr Social Casino launched in February 2026 and is live in 33 states.
Betr is also the most followed sports gaming company on social media in the world, featuring 24/7 original content created by Betr Media, our internal media division. Betr Media has grown to 2.5M+ followers and 2.4B impressions since launching in 2022.
Betr has one million paying users and is one of the fastest growing companies in the industry. We're backed by Fuel Venture Capital, Aliya Capital Partners, IA Sports Ventures, FinSight Ventures, Florida Funders, Harmony Partners, 8vc, and other top-tier investors.
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
- 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
Why Join Us!
- 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 Canad
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