B.Nandha Kumaaran

Results-driven Java Full Stack Developer with 2+ years of experience in designing, developing, testing, and deploying enterprise web applications in the Insurance domain using Java, Spring Boot, React.js, Microservices, REST APIs, Oracle SQL, Docker, and AWS. Proficient in Data Structures & Algorithms (DSA), System Design, and AI-powered integrations, with a strong problem-solving mindset for delivering scalable, high-performance insurance solutions. Passionate about leveraging modern technology to streamline complex business workflows in Agile environments.

Junior Software Developer at VBC Infotech (2024-04 – Present)

• Developed and maintained scalable web applications using Java and Spring Boot for Insurance domain clients.
• Designed and implemented RESTful APIs to support policy management, claims processing, and customer portals.
• Built responsive and reusable UI components using React.js, JavaScript, HTML5, and CSS3.
• Implemented Authentication and Authorization using Spring Security and JWT tokens.
• Applied DSA and problem-solving techniques to optimize complex algorithms and business logic.
• Designed scalable system architectures following System Design principles including API Gateway, caching, and event-driven patterns.
• Integrated AI APIs (OpenAI) for intelligent document processing and customer support automation.
• Optimized database performance through efficient SQL query tuning and indexing in Oracle SQL.
• Worked with Docker for containerization and assisted in AWS cloud deployments.
• Collaborated in Agile ceremonies including sprint planning, daily stand-ups, and code reviews.
• Developed unit tests and integration test cases using JUnit and Mockito.
• Implemented exception handling, logging, and monitoring mechanisms to improve application reliability.
• Troubleshot and resolved production issues within defined SLA timelines.

Bachelor of Science (B.Sc.) in Computer Science – Manonmaniam Sundaranar University, Tirunelveli, Tamil Nadu (2021 – 2024)