Madineni Jayasree

Java Backend Developer with 3 years of experience at Tata Consultancy Services in designing, developing, and maintaining backend applications for the insurance domain. Skilled in Java, Spring Boot, RESTful APIs, SQL optimization, JWT-based security, and asynchronous messaging. Experienced in implementing business logic, backend integrations, unit testing, and building containerized applications using Docker and Jenkins CI/CD.

Java Backend Developer at Tata Consultancy Services Limited (2023-08 – Present)

• Developed and enhanced 15+ backend service interfaces for an enterprise Life Insurance platform, covering Change in Mode, Fund Switch, and Litmus Feedback integrations across customer and policy-servicing workflows.
• Built and maintained core business functionality for customer servicing, policy servicing, and document upload modules used by policyholder-facing applications.
• Integrated external APIs with encryption, decryption, and token-based authentication, securing sensitive data exchange across distributed microservices.
• Developed backend integration services for asynchronous communication with enterprise systems using IBM MQ, implementing business logic and request/response processing.
• Wrote optimized SQL queries and partnered on indexing strategy for performance tuning, cutting query execution time by ~30% for policy-related operations.
• Authored unit and API tests with JUnit 5 and Postman, reaching 75% code coverage across core service modules and reducing regression defects.
• Containerized backend services with Docker and monitored Jenkins CI/CD pipeline runs, verifying build integrity and successful integration.
• Collaborated in an Agile/Scrum team through sprint planning, code reviews, and daily stand-ups.

B.E. in Electronics & Communication Engineering – Ballari Institute of Technology & Management (2023-06)