* Design and development of low-latency, high-availability, and performance applications. * Integration of user-facing elements developed by front-end developers with server-side logic. * Performance tuning, improvement, and balancing usability. * Code, debug, test, document, enhance and maintain backend modules/logic and RESTful APIs. * Focus on performance optimization, readability, reliability, and maintainability at scale * Maintain data persistence and/or caching in PostgreSQL, MongoDB, Redis, and other database technologies. * Integrate third-party services for analytics and subscription management * Research and provide strong performance with the latest technologies to stay ahead of competitors and provide the fastest and the most reliable service to the customers.