Mahmoud Moustafa

Architected and delivered a production-grade e-commerce platform with a dynamic product catalog, shopping cart engine, and end-to-end order processing pipeline designed for scalability. Implemented JWT-based authentication and role-based authorization with Angular route guards. Designed a normalized relational database schema and applied SQL Server query optimization techniques. Applied Clean Architecture and SOLID principles throughout the codebase, enabling modular and maintainable layers. Engineered a RESTful API for a food delivery platform with 20+ endpoints and Angular frontend integration. Implemented the CQRS pattern to separate read/write operations. Integrated third-party payment processing and designed a reliable order tracking system.