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Frontend Engineer - Mobile

3 weeks ago
Canada
Full-time
Mid Level
Frontend Engineer / Web Developer
Software Development
Android CI/CD GraphQL iOS React Native Storybook TypeScript WebSockets
Apply Now
Betr

Betr

Betr is a cutting-edge sports betting company founded in 2022 by Joey Levy and Jake Paul. It offers a unique pick'em style DFS game, Betr Picks, where players can win up to 300x their money. Additionally, Betr Sportsbook allows users to engage in micro...

Hotels, Restaurants & Leisure
11-50
$85M raised
View All Jobs 5

Description

  • Build and ship features for sportsbook, casino, and fantasy applications using React Native and TypeScript.
  • Own features end-to-end across iOS, Android, and web.
  • Design and implement complex UI components such as market layouts, betting slips, player props, and lobby experiences.
  • Create physics-based animations and gesture-driven interactions, including carousel pagers, radial controls, and animated transitions.
  • Develop canvas-based graphics for player cards, game visualizations, and dynamic effects.
  • Build and maintain WebSocket subscriptions for live odds, match updates, and user notifications.
  • Implement state synchronization between real-time data streams and local stores.
  • Handle deep linking from push notifications, attribution links, and web referrals.
  • Integrate payment flows including in-app purchases, bank transfers, and card entry with verification.
  • Debug platform-specific issues, optimize performance, maintain E2E automation tests, and contribute to CI/CD pipelines.

Requirements

  • 4+ years of professional front-end development experience.
  • 2+ years building production React Native apps for iOS and Android.
  • Strong TypeScript skills with modern development patterns.
  • Experience with Reanimated, including shared values, worklets, and gesture handlers.
  • Track record of shipping polished, production-quality mobile applications.
  • Experience debugging platform-specific issues.
  • Understanding of mobile performance optimization.
  • Sports betting, gaming, or fintech experience is preferred.
  • Canvas-based graphics experience, such as React Skia or similar, is preferred.
  • Real-time data architecture experience, such as WebSocket management or GraphQL subscriptions, is preferred.
  • React Native Web or other multi-platform experience is preferred.
  • Design system tooling experience, such as Storybook or visual regression testing, is preferred.
  • Payment integration experience, including IAP and 3DS verification, is preferred.
  • E2E mobile testing experience is preferred.

Benefits

  • Remote-first work from anywhere in Canada.
  • High-impact role with significant ownership over user-facing features.
  • Opportunity to work across sportsbook, casino, and fantasy product lines.
  • Work on technically deep systems including real-time data, hardware-accelerated graphics, and physics-based animation.
  • Join a rapidly growing company expanding into new states and product lines.

Interested in this position?

Apply directly on the company website

Apply Now

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