Key Achievements & Measurable Milestones
Real system outcomes from enterprise runtime migrations, pipeline automation, and payment fault tolerance.
Sony Microservices Modernization
Completed the large scale migration of core backend platform services to Java 21, ensuring forward compatibility and improved runtime efficiency.
10+
Backend microservices migrated to Java 21
3
Shared enterprise libraries upgraded
100%
Zero downtime releases across CAB gates
Java 8 → 21
Long term runtime architecture jump
PayGuard Reliability Benchmarks
Rigorous stress testing on distributed payment retry logic, Redis lock contention, and PostgreSQL isolation.
0.00%
Double charge rate over 10,000 retries
< 45ms
P99 response time with distributed lock
100%
Recovery of dropped webhook timeouts
SHA-256
Request fingerprint validation
CI CD & Pipeline Automation
Eliminated manual friction in enterprise build systems and automated vulnerability scanning at commit time.
- Automated Maven multi module packaging and container publication to AWS ECR.
- Integrated SCANOSS policy checks directly into Jenkins pipelines to detect license violations before artifacts reach registries.
- Constructed Helm charts and Prometheus alert rules for containerized deployments.