Welcome to my GitHub! I'm a Software Engineer specializing in Full-Stack development with hands-on experience in end-to-end design and architecture of web applications. ECPC finalist with a proven ability to solve complex problems, demonstrated by a 970x improvement in query performance.

Actively looking for .NET Developer opportunities where I can contribute my skills in building scalable, high-performance web applications and solving complex technical challenges.

🥇 ECPC Finalist 2022 - Egyptian Collegiate Programming Contest
🥇 1st Place - MAM Collegiate Programming Contest 2022 (39 teams)
🥉 20th Place - OSC-AUC Hotaru Competition 2023 (120 teams)

Tech Stack: .NET Core • Angular • Dapper • Entity Framework Core • SQL Server • N-Tier Architecture

Key Achievements:

• ⚡ Optimized query performance by 970x - Reduced admin log retrieval time from ~26,907s to ~28ms by implementing composite indexes
• 🏗️ Designed multi-layer architecture (N-Tier) with Repository & Unit of Work patterns for scalability
• 🔍 Implemented robust logging with Serilog, identifying and resolving critical production bugs
• 🔒 Prevented race conditions using Pessimistic Locking for inventory management
• 🎨 Built responsive UI with cross-device compatibility
• 🧪 Developed comprehensive unit tests for business logic validation

🔗 View Project | 📺 Live Demo

Tech Stack: .NET Core • SignalR • MongoDB • Redis • Clean Architecture • CQRS

Key Features:

• 🏛️ Architected using Clean Architecture and CQRS pattern for high performance and maintainability
• 🔐 Implemented JWT authentication with refresh tokens
• ⚡ Real-time messaging via SignalR
• ✅ Input validation with FluentValidation
• 🚀 Background job processing with Hangfire
• 📊 Caching strategy with Redis
• 🧪 Comprehensive unit testing with NUnit and in-memory databases

• Architecture & Design Patterns: Clean Architecture, CQRS, Repository Pattern, Unit of Work
• Performance Optimization: Database indexing, query optimization, caching strategies
• API Development: RESTful APIs, authentication/authorization, API documentation
• Problem Solving: Competitive programming background, algorithmic thinking
• Testing: Unit testing, integration testing, test-driven development
• Version Control: Git, GitHub, collaborative development workflows

Bachelor's in Computer Science - Modern Academy Maadi (2019-2023)

Community Leadership - Modern Academy ACPC Community (2021-Present)

• 👨‍🏫 Coach students in advanced C++, data structures, and algorithmic problem-solving
• 📚 Develop training roadmaps for competitive programming
• 🏅 Organize and judge community programming contests

✨ Performance-Driven: Delivered measurable improvements (970x faster queries)
✨ Architecture-Focused: Experience with modern design patterns and clean code principles
✨ Full Stack Expertise: End-to-end application development from database to UI
✨ Problem Solver: ECPC finalist with strong algorithmic foundation
✨ Production-Ready: Experience with logging, debugging, and resolving critical production issues
✨ Continuous Learner: Always exploring cutting-edge technologies and best practices

I'm always open to discussing new opportunities, collaborating on projects, or talking tech!

📍 Location: Cairo, Egypt
📱 Phone: +201123882500