Gangaratnam M

Full Stack Java Developer @Express Scripts Pharmacy Benefit Services

NJ, US

Participated in Agile methodology, contributing to the design, development, implementation, and testing of enterprise applications.Developed new application features using Java 8 and Java 11, leveraging Lambda expressions, Stream APIs, and Functional Interfaces for efficient programming.Utilized Java 8 method references to enhance code readability and implemented Functional Interfaces.Developed server-side applications with Spring Boot, interacting with databases to support application functionalities.Built Spring Boot-based Microservices that communicated via RESTful APIs and Apache Kafka for asynchronous messaging.Created multiple RESTful web services producing XML and JSON outputs for task automation and data exchange.Designed and implemented Microservices architecture with Spring Boot, incorporating Apache Kafka and Zookeeper for message brokering and cluster management.Used build and deploy tools such as Jenkins and Docker for continuous integration and deployment (CI/CD), ensuring smooth, automated workflows.Implemented Kafka for message handling at the consumer level, preventing message loss and ensuring reliable data transfer.Leveraged Spring Data JPA for database operations, simplifying integration with relational databases.Developed backend services and JSON APIs to power single-page web applications, ensuring efficient communication between front-end and back-end components.Monitored and managed production applications using Spring Boot Actuator, improving application health monitoring and metrics collection.Implemented OAuth 2.0 token-based authentication with Spring Security to secure APIs and protect application data.Worked on batch processing with Spring Batch, extracting and loading data between database tables efficiently.Gained experience building dynamic web applications using Phoenix LiveView, enhancing real-time user experiences.

Osmania University

Bachelor's degree