basem Badr El-Dein

Built production-grade e-commerce microservices system with 4 microservices and 21 APIs. Implemented Vertical Slice, CQRS, DDD, and Clean Architecture.

Delivered critical bug fixes, designed new features, and led ZATCA e-invoicing integration. Owned backend APIs for customer, driver, and POS applications serving 330,000 users.

Implemented Domain-Driven Design at the business layer, achieving ~20% faster development and near-zero bugs. Owned personalized service recommendation feature end-to-end.

Built booking platform from scratch across 6 applications, designed time-slot booking logic, and maintained zero unplanned downtime. Delivered multiple MVPs as sole backend developer.

Built backend for drug addiction treatment management, serving 100+ patients and 400+ prescriptions. Implemented OCR-based prescription extraction and fingerprint scanner integration.

Developed HRMS modules, built Employee MasterFile, and led payroll module as acting team lead. Introduced layered architecture and repository pattern to legacy code.

Completed Secure .NET Microservices with IdentityServer4, OAuth2, OpenID course.

Completed .NET 8 Microservices course covering DDD, CQRS, and Vertical/Clean Architecture.

Completed Programming in HTML5 with JavaScript and CSS3 course.

Completed Developing ASP.NET MVC 4 Web Apps course.

Completed Querying Microsoft SQL Server 2012 course.

Completed Introduction to Web Development with Microsoft Visual Studio 2012 course.

Completed Developing Data Access Solutions with Microsoft Visual Studio 2012 course.

Completed Developing Microsoft SQL Server 2012 Databases course.

Completed Programming in C# with Microsoft Visual Studio 2010 course.

Completed Introduction to C# Using Microsoft Visual Studio 2010 course.

Grade: Good

Bachelor's degree in Communications & Electronics Engineering. Graduation project on 4G Communication System Design.