Developed and maintained scalable backend services using Spring Boot, focusing on designing REST APIs and implementing event-driven solutions with Apache Kafka. Integrated third-party systems securely, handling complex file processing and metadata mapping. Engineered folder and document search with dynamic indexing, employing JWT for robust authentication. Enhanced system reliability through retry mechanisms, structured error handling, and optimized handling of large payloads (~20MB). Modularized services for improved maintainability and wrote efficient SQL queries for PostgreSQL databases. Actively contributed to system architecture decisions and collaborated cross-functionally for seamless production deployments on JBoss.