Frontend Engineer - Mobile.

Accountabilities

Mobile application development: Design, build, test, and ship production-quality features using React Native and TypeScript across iOS, Android, and web platforms.
End-to-end feature ownership: Take responsibility for features throughout the development lifecycle, from implementation and integration to testing, debugging, deployment, and ongoing improvement.
Complex user interface development: Build sophisticated interfaces for sportsbook markets, betting slips, player propositions, gaming lobbies, and interactive product experiences.
Advanced animations and interactions: Develop physics-based animations, gesture-driven interactions, animated transitions, carousel pagers, and radial controls using React Native animation technologies.
Graphics and visual experiences: Implement canvas-based graphics, player cards, game visualizations, and dynamic visual effects to create polished and engaging user experiences.
Design system contributions: Extend and maintain a theme-based design system with more than 100 shared components, promoting consistency, accessibility, and reusability across products.
Real-time data integration: Build and maintain WebSocket subscriptions for live odds, match updates, and user notifications, ensuring data is delivered and displayed reliably.
State management and synchronization: Implement synchronization between real-time data streams and local application stores to maintain accurate, responsive interfaces.
Deep linking and navigation: Support navigation flows originating from push notifications, attribution links, and web referrals to deliver seamless cross-platform user journeys.
Payment integrations: Implement and maintain payment experiences, including in-app purchases, bank transfers, card entry, and verification processes.
Cross-platform debugging: Identify, investigate, and resolve platform-specific issues across iOS, Android, and web environments.
Performance optimization: Improve rendering efficiency, animation frame rates, responsiveness, and memory management to ensure reliable performance across supported devices.
Animation-thread execution: Develop worklet functions and optimize animation execution to deliver smooth, hardware-accelerated interactions.
Testing and quality assurance: Maintain end-to-end automated tests, identify regressions, and contribute to continuous integration and continuous delivery (CI/CD) pipelines.
Engineering collaboration: Work closely with product, design, and engineering stakeholders to deliver maintainable solutions aligned with product requirements and quality standards.
Requirements
Professional experience: At least four years of professional frontend development experience, including a minimum of two years building and shipping production React Native applications for both iOS and Android.
React Native expertise: Strong hands-on experience developing, debugging, and maintaining cross-platform mobile applications in production environments.
TypeScript proficiency: Advanced knowledge of TypeScript, modern JavaScript patterns, and maintainable frontend architecture.
Animation and gesture handling: Practical experience with React Native Reanimated, including shared values, worklets, and gesture handlers.
Production delivery: A demonstrated track record of shipping polished, reliable mobile applications with attention to usability, visual quality, and overall performance.
Cross-platform troubleshooting: Ability to diagnose and resolve platform-specific behavior, rendering inconsistencies, and integration issues across mobile and web environments.
Performance engineering: Understanding of mobile performance optimization, including rendering efficiency, animation responsiveness, memory management, and smooth user interactions.
Real-time systems: Ability to work with asynchronous data flows, real-time updates, and state synchronization is highly valuable.
Technical problem-solving: Strong analytical and debugging skills, with the ability to investigate complex issues and deliver efficient, maintainable solutions.
Collaboration and ownership: Ability to work independently, communicate effectively with cross-functional teams, take responsibility for deliverables, and contribute to a fast-paced product development environment.
Nice-to-have qualifications:
Experience in sports betting, online gaming, fintech, or other real-money transaction environments.
Familiarity with canvas-based graphics technologies, such as React Skia or similar frameworks.
Experience with WebSocket management, GraphQL subscriptions, or other real-time data architectures.
Knowledge of React Native Web or experience building applications for multiple platforms from a shared codebase.
Experience with design system tools, including Storybook and visual regression testing.
Familiarity with payment integrations, including in-app purchases and 3D Secure (3DS) verification.
Experience developing and maintaining end-to-end automated tests for mobile applications.
Understanding of regulated digital products and the engineering considerations involved in delivering reliable experiences across multiple jurisdictions.
Benefits
Fully remote work: Work from anywhere in Canada, with a remote-first approach to collaboration.
High-impact ownership: Take responsibility for significant product features that directly influence user experience and business performance.
Advanced technical challenges: Work with real-time data systems, hardware-accelerated graphics, gesture-driven interactions, and physics-based animations.
Product diversity: Contribute to multiple product areas, including sportsbook, casino, arcade, and fantasy gaming experiences.
Career growth opportunities: Develop your technical expertise while contributing to an expanding portfolio of products and new market launches.
Modern engineering environment: Work with React Native, TypeScript, shared design systems, and contemporary mobile development practices.
Cross-functional collaboration: Partner with product and engineering professionals to build and improve user-facing digital experiences.
Inclusive workplace: Join a team that values diverse perspectives, backgrounds, and experiences and is committed to equal employment opportunities.
Opportunity for technical impact: Help shape application architecture, improve engineering quality, and deliver features used by a growing user base.