• Collaborated with product owners to refactor a JSP/Servlet monolith into domain-driven Spring Boot
microservices, drafting Swagger specs, ER diagrams, and a phased migration plan.
• Introduced a React-based dashboard layer and implemented shared libraries for audit/logging;
integrated Redis caching and DynamoDB read replicas to offload heavy lookups and halve UI load
times.
• Maintained >90 % unit coverage with JUnit/Mockito and Jasmine; integrated SonarQube and Azure
DevOps pipelines with contract tests to catch regressions early.
• Designed blue–green deployments on AKS using Helm charts and automated rollbacks to meet SLA
requirements; collaborated on telemetry dashboards to monitor system reliability and performance.