Philips
- Built Spring Boot microservices for patient administration, device coordination, and clinical workflows used across 50+ hospitals, sustaining 99.9% availability under concurrent workloads.
- Modernized legacy Java apps into service-oriented microservices with event-driven design; reduced patient onboarding + emergency registration to < 90 seconds, improving throughput by 28%.
- Designed Kafka async pipelines for patient events, device telemetry, and alert processing, doubling end-to-end throughput and improving resilience under burst ingestion.
- Streamlined PostgreSQL + MSSQL performance with indexing, partitioning, and query plan optimization; reduced critical query latency by 40%.
- Provisioned AWS infrastructure (EC2, RDS, S3, Lambda) using HA and fault-tolerant patterns; cut recovery time from 20 min → 6 min during disruptions.
- Standardized Docker + Kubernetes deployments across dev/stage/prod; reduced environment setup time 2 days → 3 hours.
- Secured services using OAuth2, OpenID Connect, and JWT authN/authZ; reduced security incidents by 30% and eliminated 15+ hours/month of manual compliance effort.
- Integrated CI-driven testing with JUnit + Mockito, reducing defects by 25% and achieving 98% release pass rate.