Developed a full-featured Point of Sale (POS) and business management system designed for small and medium businesses. The system includes sales tracking, inventory management, invoice generation, and real-time analytics. Built with a scalable backend using FastAPI and a modern PWA frontend for cross-platform accessibility. Implemented secure authentication, optimized database queries, and business logic automation (stock updates, sales reports). The project focuses on performance, clean architecture, and real-world usability for business operations.