Frontend Engineer - Mobile

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Frontend Engineer - Mobile based in Canada. Are you a passionate frontend engineer excited about building high-performance mobile applications and immersive digital experiences? This fully remote opportunity offers the chance to develop innovative products across iOS, Android, and web using React Native and TypeScript. You will take ownership of features from concept to release, combining sophisticated user interfaces, real-time data integrations, and advanced animations to deliver seamless experiences. Working across sportsbook, casino, arcade, and fantasy gaming products, you will tackle challenging engineering problems involving live data streams, interactive graphics, and performance optimization. You will collaborate with a product-focused engineering team to build scalable applications and contribute to a shared design system used across multiple products. This role is ideal for an engineer who values technical depth, product ownership, and the opportunity to shape engaging digital experiences within a rapidly growing technology environment.

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. …