Building a real-time enrichment pipeline transforming 500K+ daily market data events from JSON to XML, leveraging AWS Lambda, ECS, Kafka, Solace, DynamoDB, OpenSearch, and ElastiCache to achieve sub-second processing latency.
Constructed a grid-view utility with advanced search, multi-column sorting, and CSV export for API data.
Upgraded RDS applications from Tomcat 7/8 to 9 via Chef; containerized on-prem apps for OpenShift with Docker & OC CLI.
Engineered a custom cache wrapper around GridGain & Coherence, reducing (de)serialization time by 40%, enabling faster node warmups and smoother scaling.
Built a fully automated system to rotate passwords every 60 days for 30+ accounts, handling keytabs, secrets, databases, and files using Shell scripting, Java and Autosys jobs.
Increased test coverage from 4% to 72% using JUnit & Mockito; maintained 90%+ code quality via SonarQube and eliminated critical defects using Prisma Cloud (PrismaScan).