Tejaswini Vuppu

Back-End Developer at Citizens Bank

Developed enterprise credit card backend APIs using Node.js and Spring Boot microservices; designed and documented Swagger specs; implemented secure authentication and authorization using OAuth 2.0 and JWT; built data access layers with Spring Data JPA/Hibernate; integrated Apache Kafka for streaming; optimized Redis cache; containerized services with Docker and deployed to AWS ECS/EKS; established scalable CI/CD pipelines with Jenkins; supported production troubleshooting and log-based monitoring; mentored juniors and collaborated with frontend teams for service integration.

Full Stack Developer at Walmart

Designed and developed dynamic, responsive web applications using React.js, integrated with Spring Boot microservices for scalable full-stack solutions; built modular React components, hooks, and patterns to accelerate development; implemented RESTful API data flows with React frontend; leveraged AWS front-end services (S3, CloudFront, API Gateway) for secure deployment; created multi-tenant Kubernetes-based microservices on AWS ECS/EKS with Docker containers; implemented RBAC and Secrets management; mentored juniors; collaborated with React/Angular frontend teams to define API contracts and ensure seamless integration; led containerized deployments.

Cloud Developer at Capital One

Contributed to the Automate Claims Decisioning project; designed scalable REST APIs using Spring Boot and microservices; deployed on AWS with EC2/ECS and Docker; implemented secure OAuth2/JWT authentication; integrated Apache Kafka for asynchronous messaging and real-time processing; built data access layers with Spring Data JPA/Hibernate; centralized configuration with Spring Cloud Config and API Gateway; implemented caching with Redis, and optimized queries with Hibernate; built CI/CD pipelines using Jenkins and GitHub Actions; migrated legacy monoliths to microservice architecture; collaborated with React/Angular frontend teams for end-to-end solutions.

Full Stack Developer at United States Postal Service

Developed RESTful microservices to support Mobile Payments data access for customer portal; built and documented endpoints, implemented version control with Git, and established CI/CD pipelines for automated builds/deployments; mentored juniors; contributed to cross-functional Agile transformations; ensured data integrity with SQL backends and relational modeling; containerized services with Docker and deployed to AWS; emphasized security and scalable architecture.