Backend & DevOps Engineer focused on building reliable backend systems for ISPs,
fintech-style billing, and real-time infrastructure automation.
I design systems that run quietly, scale predictably, and fail gracefully.
🎯 I build systems that run silently, scale smoothly, and integrate deeply.
End-to-end billing and monitoring system for MikroTik-based ISPs.
Designed to handle authentication, billing cycles, automation, and real-time usage tracking with a focus on reliability and scalability.
Tech: Flask · PostgreSQL · WebSocket · Docker · FreeRADIUS · Redis
Personal portfolio showcasing backend-focused projects and system design work.
Built with Next.js, Tailwind CSS, and shadcn/ui with a clean, responsive layout.
- 💼 Upwork: https://www.upwork.com/freelancers/~01584aa2b81b83572c
- 🔗 LinkedIn: https://www.linkedin.com/in/raja-zahran/
- ✉️ Email: [email protected]
🚀 "Your backend shouldn't crash at midnight. I make sure it doesn't."