Vextro Studio

I build production-grade software systems — not just apps.

I am a Software Engineer specializing in Android (Kotlin), scalable backend architecture, API integrations, and hardware communication systems (Serial RS-232/RS-485, WebSockets, device-to-device communication).

With experience in complex, real-world deployments, I design solutions that are:

• Scalable
• Secure
• Performance-optimized
• Cleanly architected
• Maintainable long-term

My expertise includes:

✔ Android (Kotlin, Coroutines, Flow, MVVM)
✔ REST APIs & WebSocket integration
✔ Payment & Card Systems
✔ Serial Port / Embedded Device Communication
✔ Real-time data synchronization
✔ System architecture & performance optimization
✔ Refactoring legacy code into clean, modern systems

I don’t just deliver code — I design systems that solve business problems.

If you're looking for a reliable engineer who understands both software architecture and real-world constraints, let’s build something powerful.