Case studies
Work that actually shipped.
Every case study here is a production system — no toy projects, no side experiments. Each one explains the business problem, my approach, architectural decisions, and measurable outcomes.
Appenza Studio × Egyptian Ministry of Education
Faheem AI — adaptive learning for thousands of Egyptian students
I own the backend for a Ministry-of-Education-certified AI tutoring platform. 13+ microservices on Azure, multimodal chat with text/voice/image, Azure OpenAI + RAG, and a subscription/voucher system I designed from scratch.
- .NET 8
- Python (Flask-RESTX, aiohttp)
- Angular
- Azure Container Apps
- Azure OpenAI
- +6
Appenza Studio
Question Bank Platform — a 23-project .NET solution, shipped solo
End-to-end quiz and content management platform. 23-project layered .NET 8 solution, three audience-specific APIs (student / admin / teacher), Angular admin panel, AWS S3 media pipeline, Redis caching, Hangfire jobs — serving 10K+ students.
- .NET 8
- ASP.NET Core Web API
- EF Core
- SQL Server
- Angular
- +7
EL-Square (Deep Tech / IoT)
Industry 4.0 dashboards for Coca-Cola & EIPICO
Real-time factory monitoring dashboards for two enterprise clients — Coca-Cola and EIPICO. Live production KPIs, energy / water / CO₂ telemetry, embedded IoT integration, cross-functional delivery with SAP and hardware teams.
- .NET Core
- ASP.NET Core Web API
- SQL Server
- SignalR
- Stored Procedures
- +3