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Sports gamification app - Tech Lead / Backend Lead

Lead of backend architecture for a React Native app that gamifies a fast-growing sport.

Designed and implemented Node.js/Express APIs with MongoDB, including JWT-based authentication, role management, and internal admin tooling. The backend architecture supports a scalable system for tracking user progress, achievements, and competitive elements.
Designed and implemented Node.js/Express APIs with MongoDB, including JWT-based authentication, role management, and internal admin tooling. The backend architecture supports a scalable system for tracking user progress, achievements, and competitive elements.
Designed and implemented Node.js/Express APIs with MongoDB, including JWT-based authentication, role management, and internal admin tooling. The backend architecture supports a scalable system for tracking user progress, achievements, and competitive elements.

Designed and implemented Node.js/Express APIs with MongoDB, including JWT-based authentication, role management, and internal admin tooling. The backend architecture supports a scalable system for tracking user progress, achievements, and competitive elements.

Built real-time scoring and leaderboards with WebSockets, enabling live updates as users compete. Implemented push notification flows to keep users engaged with achievements, challenges, and competitive updates.

Provided technical direction and coaching for a frontend colleague, ensuring smooth integration between the React Native frontend and the backend services.

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