Backend Developer • API Engineer • Database & Cloud Enthusiast
I specialize in building scalable backend systems, API-driven architectures, and optimized database solutions. Passionate about clean code, system design, and crafting reliable backend infrastructures.
- I build secure and scalable backend services
- Experienced in SQL & NoSQL schema design
- Skilled in payment integrations, webhooks, and API engineering
- Familiar with server architecture, caching, and optimization
- Focused on writing maintainable, clean, and well-tested code
- REST API Design & Development
- Authentication (JWT, OAuth, Role-based Access)
- MVC + Service Layer Architecture
- Background Jobs & Queue Processing
- Advanced SQL Queries
- Database Normalization
- Query Optimization & Indexing
- Real-time features with Supabase
- Microservices & modular architecture
- Containerization with Docker
- Reverse proxy with Nginx
- Deployment & CI/CD
If you’re interested in collaborating or hiring, feel free to reach out:
📨 Email: khlfaalhsn5@gmail.com
🔗 LinkedIn: linkedin.com/in/khalifa-al-hasan-a118562a0
⭐ If you like my work, consider giving a star to my repositories! ⭐



