Sr. Full Stack Java Developer at Citi Bank (via DXC)

Led development on a secure customer portfolio management application for Citi Group employees using Java, Spring Boot, and React.js. Implemented robust authentication, authorization, and encryption to ensure data integrity and security compliance, and supported secure data exchange via an Electronic Data Interchange (EDI) platform. Participated across the full SDLC—requirements analysis, design, development, testing, implementation, and production support. Built cloud-native solutions on AWS (Lambda, API Gateway) and containerized deployments; designed responsive UIs with React.js and Angular; created scalable back-end services with Spring Boot and Spring MVC; used Hibernate and Spring Data JPA for data persistence; leveraged Java 11 features (Lambda, Streams, Optional, CompletableFuture) to optimize performance. Developed reusable React components with Hooks and Redux for complex workflows; contributed to CI/CD pipelines and automated testing.

Java Full Stack Engineer at PayU (Client: PayU)

Developed a customer-focused online platform using Java (Spring Boot) and modern front-end frameworks. Implemented RESTful controllers, REST APIs, and database integration; handled authentication and authorization with Spring Security. Modernized legacy applications with Java 11 features (Nest-Based Access Control, HTTP Client, Lambda Expressions, Parallel Streams). Built front-end with Angular (7–12) and React; engineered real-time data pipelines with Apache Spark Structured Streaming, Kafka, Azure Event Hubs, and Delta Lake. Employed MongoDB and Cassandra for NoSQL data, and Hibernate/Spring Data JPA for persistence. Instrumented microservices, containerized with Docker, and automated CI/CD with Jenkins and Maven. Utilized Node.js/TypeScript for front-end tooling; performed unit/integration testing with JUnit/Mockito; collaborated in Linux/Unix environments and practiced Agile through Jira.