Backend .NET Developer
Results-driven Backend .NET Developer with hands-on experience engineering scalable, secure RESTful APIs using ASP.NET Core, C#, and SQL Server. Delivered 5+ production-like backend systems with 40+ API endpoints across E-Commerce, Education, and Entertainment domains. Proficient in JWT Authentication, Role-Based Authorization, Clean Architecture, and third-party integrations including Stripe Payment Gateway.
Expertise in building robust and scalable backend systems using C#, ASP.NET Core, and Web API for RESTful services.
Proficient in implementing secure authentication (JWT, OTP) and authorization (Role-Based, Policy-Based) with Clean Architecture principles (SOLID, Layered, DTO).
Skilled in designing and optimizing relational databases using SQL Server, Entity Framework Core, and LINQ for efficient data access.
Experience integrating various services including Stripe Payment Gateway, Email Services, and SignalR for enhanced application functionality.
Architected a scalable E-Commerce backend with 10+ RESTful endpoints across 5 modules (Products, Categories, Cart, Orders, Users) using DTO Pattern and Layered Architecture.
Impact: Reduced unauthorized access risks with JWT and 3-tier Role-Based Authorization. Integrated Stripe Payment Gateway, OTP verification, and email confirmation for secure and robust transactions.
Designed and delivered 8+ RESTful API endpoints managing movies, cinemas, showtimes, 2 seat types (VIP/Regular), and bookings with automatic price calculation logic.
Impact: Enforced Role-Based Access Control across all endpoints; integrated activity logging and applied DTO Pattern and Layered Architecture to ensure long-term scalability.
Engineered a full academic backend with 15+ CRUD API endpoints across 4 modules (Students, Instructors, Departments, Courses) and a 3-role permission system (Admin / Instructor / Student).
Impact: Optimized data access using EF Core and LINQ on a structured SQL Server relational database with well-defined entity relationships across all modules.
Delivered a backend system for managing exams, results, and student performance tracking, supporting multiple exam scenarios simultaneously.
Impact: Designed a normalized SQL Server schema covering exams, subjects, questions, and grading workflows; built automated evaluation and result retrieval endpoints.
Engineered 3+ production-like backend applications using ASP.NET Core Web API and SQL Server during training.
Implemented JWT Authentication, Role-Based Authorization, and Stripe Payment Gateway integration across multiple projects.
Architected RESTful APIs following DTO Pattern and Layered Architecture, enforcing SOLID principles for maintainability.
Delivered 4+ independent backend systems covering E-Commerce, Student, Exam, and Cinema booking domains.
Engineered 40+ RESTful API endpoints with secure JWT authentication and Clean Architecture across all independent projects.
Expected Bachelor of Computer Science from Cairo Higher Institute.