mohanad abuarra

• Designed and built RESTful APIs using ASP.NET Core Web API with layered architecture, separating business logic from data access
for maintainability
• Implemented EF Core (Code-First) with LINQ, restructuring the data access layer and optimizing SQL Server queries — improving
system performance by 20%
• Strengthened API reliability through structured validation, centralized error handling, and consistent response formating across
endpoints