Reliable Backend Development & System Integration
I deliver practical, robust software solutions without unnecessary over-engineering. My focus is on stability, maintainability, and direct business value through clean code and proven architecture.
Java Backend Development
Building scalable, enterprise-grade applications using modern Java (17+) and Spring Boot. I focus on creating secure, high-performance APIs and microservices.
OAuth2, JWT, and digital signatures (XAdES/PAdES).
Optimized JVM tuning and efficient Elasticsearch queries.
System Integration
Seamlessly connecting disparate systems. I have extensive experience integrating 3rd party services to unify your data flow.
App Maintenance & Support
Keeping the lights on for critical systems. I stabilize legacy codebases, manage helpdesk tickets, and ensure portals run smoothly.
Automation & Hardware Communication
Bridging the gap between digital software and physical hardware. I develop specialized communication layers for IoT devices and industrial equipment.
MDB Protocol / Payment Systems
Card Reader Integration & Android
Camera Stream Analysis / YOLO