Varshini Viswanathan

About Varshini Viswanathan

Java Full Stack Developer with 3 years of experience building and optimizing enterprise applications using Java 17, Spring Boot, Quarkus, REST APIs, Angular, and SQL. Skilled in backend development, microservices concepts, Redis caching, CI/CD pipelines, and AWS services including S3, Lambda, and EC2. Experienced in migrating legacy systems, replacing SOAP with REST APIs, improving performance, and supporting scalable, secure backend architectures. Strong in debugging, post production support, API integration, and Agile delivery. Familiar with PostgreSQL, Oracle SQL, Git, Linux, and frontend with Angular and TypeScript. Focused on clean code, reliability, and delivering maintainable enterprise solutions.

Experience

1. Application Developer

   IBM

   Apr 2023 — Present · Bengaluru, IN

   3 years of experience developing enterprise-grade backend applications using Java, Spring Boot, and RESTful APIs.Played a key role in modernizing legacy systems, migrating outdated components to Java-based services and redesigning critical backend workflows.Hands-on experience with layered architecture, API development, integration, and optimizing backend performance and scalability.Familiar with microservices concepts, distributed system basics, Redis caching principles, and best practices for reliable backend communication.Worked with AWS services including S3 for file operations, Lambda for event-driven tasks, and deployment workflows through CI/CD pipelines.Skilled in SQL, schema updates, handling evolving data models, and troubleshooting production issues using logs on Linux-based servers.Primary focus on backend engineering, with limited exposure to Angular/TypeScript, and strong emphasis on clean code, maintainability, and stable delivery.

Education

• Anna University Regional Campus Coimbatore

  Bachelor of Engineering - BE, Computer Science

  2018 — 2022