Backend engineer focused on building production-grade systems:
- π Authentication & Authorization (JWT, RBAC)
- π³ Payment Systems (Stripe, Idempotency)
- β‘ Concurrency & Data Consistency
- π§© Clean Architecture & Scalable APIs
- Concurrency Control & Transaction Management
- Distributed Systems (Caching, Sharding, ID Generation)
- Business Rule Enforcement
- Secure Backend Design
- Advanced System Design
- Backend Scalability
- Preparing for Backend Interviews
- Email: mahmoudyoussed29@gmail.com
β I donβt just write code β I build systems.