Backend Developer, Teslatech Nepal , Lalitpur
09/2023 — Present
Designed and implemented highly scalable game servers and asynchronous RESTful APIs using FastAPI and Aiohttp to ensure reliable performance under high user loads. Managed PostgreSQL databases with optimized schema design and query execution while leveraging Redis for caching and real-time JSON database features such as leaderboards and matchmaking. Implemented robust authentication systems using Firebase and integrated Firebase Cloud Messaging (FCM) to provide secure user access and enhance engagement through push notifications. Contributed to delivering updates for Callbreak, a 4-player multiplayer game with over 100 million downloads and 2-3 million daily active users, ensuring seamless backend and frontend integration. Additionally, implemented comprehensive monitoring and optimization strategies to improve application performance and scalability, supporting millions of daily users efficiently.