Backend developer with hands-on experience building APIs, microservices, and internal systems. I care about clarity, reliability, and making sure things actually work in production — not just in slides or diagrams.
Java, Go, Python, SQL
Spring Boot, Gin, Mux
PostgreSQL, Oracle, Redis
REST APIs, Microservices, API Gateway, Messaging
Docker, OpenShift, CI/CD fundamentals
Built and maintained backend microservices supporting billing workflows. Focused on correctness and scalability.
Built and evolved an internal backend system used by operational teams to process and monitor billing data. Worked on business rules and improving reliability of long-running jobs.
Developed backend services supporting international SMS roaming operations. Emphasis on reliability, fault tolerance, and handling external system variability.
Designing and maintaining backend services used in production, handling API design, database integration, performance issues, and production incidents in a real-world environment.
Worked on a large monolithic web system for the Indonesian Army, covering inventory management and internal administration.
