Led backend development for WowVir's hyperlocal marketplace application (launching soon), building a high-performance platform from scratch using NestJS and MongoDB.Key Achievements:- Architected and developed core modules: Products, Shops, Orders, Delivery Integrations, Notifications, Payments and Reporting.- Integrated multiple third-party delivery service, enabling real-time order tracking.- Implemented a flexible payment system to integrate multiple payment gateways.- Leveraged Redis and BullMQ to optimize scalability and task processing.- Conducted in-depth research and collaborated with stakeholders to implement best practices.- Deployed and maintained the application on AWS infrastructure, utilizing Docker and Nginx.- Proactively acquired new skills through self-directed learning, utilizing technical documentation, online resources, and language models.