Developed and deployed scalable user-facing applications on AWS cloud infrastructure using EC2, S3, and

Lambda, leveraging Java 8 and Spring Boot for robust backend microservices.

Designed data models for Apache Cassandra and implemented efficient schema to support low-latency, high-throughput data access patterns in financial systems.

Developed and maintained Spring Boot microservices integrated with MySQL, enhancing API response times by 30% and ensuring high availability.

Designed responsive UIs in React.js integrated with REST APIs, improving user experience and engagement.

Modernized legacy banking systems by migrating to a Spring Boot-based microservices architecture with Spring Cloud deployed on Pivotal Cloud Foundry (PCF), significantly enhancing scalability, modularity, and CI/CD workflows.

Built dynamic UI modules using ReactJS, Angular, Bootstrap, and JavaScript, with seamless real-time interactivity via AJAX, JSON, and responsive

Engineered robust backend systems using Spring Boot, Hibernate, and Java 8 within a highly modular

microservices setup, enabling real-time data processing, dynamic delivery and high volume throughput.

Automated and scheduled complex nightly ETL batch processes using Autosys and UNIX Shell scripting, integrated with SQL invoker to extract and transform datasets across various enterprise databases.