Khaled Abu Al-Majd | .NET Backend Developer

Technical Skills

Languages & Backend

C#
.NET / ASP.NET Core Web API
C++
LINQ

Architecture & Design

Clean Architecture & CQRS (MediatR)
SOLID Principles & Result Pattern
Outbox & Idempotency Patterns
Data Structures & Algorithms

API Development

RESTful APIs & API Versioning
JWT Authentication & Authorization
FluentValidation & Pipeline Behaviors
OpenAPI/Swagger & Rate Limiting

Data & Persistence

SQL Server & T-SQL
EF Core (Code-First & Migrations)
ADO.NET
Database Design & Query Optimization

Testing

Unit Testing
Subcutaneous Testing
Integration Testing

Caching & Observability

HybridCache (In-Memory & Redis)
Structured Logging (Serilog)
OpenTelemetry, Prometheus & Grafana

DevOps & Cloud

Docker & Docker Compose
GitHub Actions (CI/CD)
Azure Container Apps
Git & GitHub

Tools & Desktop Apps

Windows Forms (Desktop)
Windows Services
SSMS & Visual Studio

Full Projects

MechanicShop API

Production-deployed backend REST API for managing an auto repair shop's operations (scheduling, work orders, invoicing), built with .NET 10 using Clean Architecture, CQRS, and the Outbox & Idempotency patterns, backed by 624 automated tests and a full CI/CD pipeline to Azure.

C# ASP.NET Core Web API RESTful API Clean Architecture CQRS / MediatR Outbox Pattern Idempotency HybridCache Docker Azure CI/CD Live

GitHub Scalar Swagger

Money Mind Manager

Money Mind Manager is an advanced, database-centric Personal Financial Management (PFM) desktop application built with C# Windows Forms and a robust SQL Server backend, supporting multi-user financial tracking.

C# SOLID Design Principles Clean Architecture Dependency Injection T-SQL ADO.NET Windows Forms

GitHub

DVLD System

Driving & Vehicle License Department (DVLD) management system designed to automate the issuance, renewal, replacement, and suspension handling of driver licenses and related services. Built as a Windows Forms application.

C# SQL Server ADO.NET N-Tier OOP Windows Forms