Java Full Stack / Generative AI Engineer at Scale AI

Developed and enhanced Java 17, Spring Boot, and microservices for AI data annotation, evaluation workflows, user management, and dataset lifecycle services used across enterprise LLM projects. Designed secure REST APIs using Spring MVC, Spring Security, OAuth 2.0, and JWT to manage annotation tasks, dataset access, evaluation jobs, and authentication. Built Java and Python backend services to process/validate/transform large-scale human feedback and instruction datasets, supporting millions of records for training and benchmarking. Implemented event-driven pipelines using Apache Kafka for annotation events and evaluation/workflow notifications. Developed React.js interfaces for annotation management, evaluation dashboards, dataset review, and quality monitoring. Integrated LangChain and MCP (Model Context Protocol) with function/tool calling workflows for retrieval, tool invocation, and multi-step agent interactions. Optimized PostgreSQL access with Spring Data JPA/Hibernate to redu

Java Developer at ACV Auctions

Built backend features for vehicle listings, dealer accounts, and live auction workflows using Java 17 and Spring Boot, supporting nearly 8K vehicle listings per month. Implemented auction business rules to validate bids, maintain auction status, and ensure accurate processing during live sales. Developed REST APIs using Spring MVC, Spring Data JPA, and Hibernate for vehicle/dealer/auction data exchange across internal applications. Created React.js interfaces for vehicle search, auction details, and dealer dashboards. Optimized PostgreSQL queries for high-traffic auction screens, improving response time (~15%). Improved release quality with JUnit 5 and Mockito tests, API validation in Postman, and maintained Swagger documentation. Supported deployments on AWS EC2, managed assets in S3, and participated in CI/CD using Git, Jenkins, and GitHub Actions.

Java Developer at HighRadius Technologies Pvt. Ltd

Contributed to enhancements for enterprise order and inventory applications using Java 11 and Spring Boot to improve daily order processing. Developed React.js and TypeScript screens for order entry, inventory tracking, and product management. Built REST APIs using Spring Data JPA and Hibernate to simplify data exchange between product, inventory, and order management services. Assisted with Apache Kafka integration for inventory updates and order status notifications while supporting background processing through RabbitMQ. Improved PostgreSQL and Oracle queries for accurate stock information and faster retrieval. Supported releases using Docker, Jenkins, GitHub Actions, and AWS, with collaboration on deployments. Used Splunk and Logback for production troubleshooting and defect resolution during sprint releases.