Mahesh Sai Kosaraju

Led SDLC activities across requirements, design, development, integration, and deployment. Developed back-end services using Java 21 and Spring Boot within a layered MVC architecture; built microservices for transaction processing and fraud detection; migrated systems to Java 17. Implemented Spring Security with OAuth2 and JWT for secure, zero-trust authentication. Designed scalable RESTful and GraphQL APIs, and integrated API routing with AWS AppSync. Built AI-powered services using embeddings and LLMs, with Retrieval Augmented Generation (RAG) to leverage enterprise knowledge bases. Partnered on multi-module Spring Boot microservices, Dockerization, and deployment to cloud platforms (AWS, PCF). Implemented event-driven messaging via Kafka and RabbitMQ, and container orchestration with Docker/EKS. Enhanced developer productivity with GitHub Copilot and contributed to CI/CD pipelines with Jenkins. Worked on vector databases (Pinecone/FAISS) for semantic search and AI-enabled workflows.

Developed Spring Boot microservices (Java 17) with Spring WebFlux for reactive APIs; built and consumed RESTful APIs for seamless frontend-backend integration. Implemented Spring Security with OAuth 2.0 and JWT. Built interactive dashboards with React 18 and connected to Kafka-based streaming for sub-second insights. Deployed applications across AWS with Docker and Kubernetes; containerized services and implemented ELK stack for real-time monitoring. Worked on SOAP/WS clients, MongoDB, and AWS services (EC2, RDS, S3, Lambda, CloudFormation). Engaged in Agile development processes and implemented CI/CD via Jenkins.

Developed Spring Boot microservices and RESTful APIs; implemented Hibernate for ORM with Oracle, SQL Server, and MySQL. Built front-end components with ReactJS and Node.js; implemented JMS messaging. Deployed applications to AWS and integrated Log4j-based logging. Contributed to Agile/Scrum processes, wrote PL/SQL stored procedures, and created SOAP-based services with JAX-WS. Worked on cross-functional teams to deliver multi-tier enterprise applications.