Oct 2023 — Present
Software Engineer
Tata Consultancy Services (TCS)
Building and maintaining health insurance claims systems — Java/Spring REST APIs, Oracle/PL-SQL performance work, React modernization, and AWS/Redis improvements in production.
- Backend Development (Java/Spring): Developed and maintained Java/Spring REST APIs for the health insurance claims module, implementing business logic and integrations for core claims-processing workflows
- Performance Optimization: Analyzed and optimized PL/SQL procedures and Java business logic, resolving inefficient queries and processing bottlenecks to improve application performance in production
- Frontend Modernization: Migrated legacy JSP-based screens to React.js, integrating Redux for state management and improving maintainability and responsiveness of the internal application
- Database Optimization: Performed Oracle SQL/query tuning and schema-level improvements, troubleshooting production database bottlenecks affecting response times during peak processing
- Cloud & Caching: Assisted with migration of application services from on-premise infrastructure to AWS EC2/S3 and implemented Redis caching for frequently accessed master data