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Senior Frontend EngineerBetr • Canada
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Senior Frontend Engineer

Betr
  • CA
    Canada
  • CA
    Canada
Jetzt Bewerben

Über

About Betr Founded in 2022 by Joey Levy and Jake Paul, Betr is building the world's first real money gaming super app. The company's first product, Betr Picks, launched in September 2023 and quickly grew to several hundreds of thousands of paying users that have already won $250M on the platform. Betr recently launched Betr Arcade with plans on launching additional new nationwide gaming products within its single app experience in 2025 to further differentiate its product offering. In addition to its single-app experience, Betr's gaming products are differentiated through a unique, simplified user interface that is catered to the casual sports fan and gamer, enabling Betr to capture more of the under-penetrated online gaming addressable market
Betr's media division, Betr Media, is one of the fastest growing sports gaming media brands in the U.S. and helps support the company's user acquisition and retention efforts
Betr is backed by Fuel Venture Capital, Aliya Capital Partners, IA Sports Ventures, FinSight Ventures, Florida Funders, Harmony Partners, 8vc, and other top-tier investors
About the Role: Betr is looking for a Senior Frontend Engineer to join our mobile team You'll build React Native and TypeScript applications powering our Sportsbook, Social Sweepstakes Sportsbook, Arcade, & Casino products across iOS, Android, and web
This is a high-impact role to own features end-to-end, work with real-time WebSocket data feeds, build hardware-accelerated graphics and physics-based animations, and ship polished products to users across multiple US states with strict regulatory requirements. 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
    • Real-Time & Integration
  • 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
    • Platform & Quality
  • 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
    • 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
    • At Betr, we're driven by a shared vision to reshape the sports & gaming industry. As a dynamic startup poised for remarkable growth, we're dedicated to crafting innovative experiences that cater to sports enthusiasts across the nation. We believe in pushing boundaries, embracing diversity, and fostering a collaborative culture that extends beyond the world of sports. Join us in shaping the future of sports entertainment
    Betr provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability, genetics, sexual orientation, gender identity or gender expression. We deeply understand the value of bringing together a team with different perspectives, educational backgrounds, and life experiences. We encourage people from underrepresented backgrounds to apply
    Thank you for your interest in Betr. We look forward to reviewing your application.
    • Canada

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    • English
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