
Results-driven Senior Java Developer with over 4 years of experience in building scalable microservices and enterprise APIs using Java, Spring Boot, and Spring Cloud. Proficient in designing REST and SOAP APIs, integrating with Kafka, and optimizing systems with Redis caching, DB connection pooling, and Grafana dashboards. Good understanding of containerization, cloud deployments, Agile, CI/CD, and performance monitoring practices.
Project: Spectrum Promotion Engine
- Designed RESTful APIs for user-level promotion eligibility using Java 17, Spring Boot, MongoDB, Oracle SQL, and Spring Cloud.
- Published promotion event data using KafkaTemplate to the Billing team's Kafka topic after applying promotions.
- Implemented Redis caching for customer-device eligibility checks, reducing latency by 30%.
- Integrated Prometheus and Grafana to visualize application metrics for observability.
- Used Splunk for distributed logging and troubleshooting.
- Participated in Agile/Scrum, code reviews, and team mentoring.
Good knowledge of Spring Batch processing of Excel macros in S3 using AWS Lambda functions.
- Implemented the Resilience4j circuit breaker pattern in Spring Boot to handle failures gracefully when calling downstream services, such as Billing, Eligibility, and Customer Profile APIs.
Projects : FastCar and EBOM (Automotive Domain)
- Developed SOAP APIs with JAX-WS for retrieving BOM costs from ERP systems.
- Built RESTful microservices for BOM and PO management using Spring Boot, Oracle SQL, and Data JPA.
- Migrated legacy modules from Struts to Spring MVC, improving performance by 25%.
- Worked on API documentation for the REST services using Swagger.
- Used Postman to test end-to-end functionality of the services.
- Used Redis and Ehcache for caching BOM hierarchy data.
- Worked on in-memory database for integration test cases.
- Tuned HikariCP connection pool settings, improving API response by 40% under load.
- Coordinated to formulate test plans, and performed load testing using JMeter.
- Maintained 80%+ unit test coverage, and fixed Checkmarx-reported vulnerabilities.