• Engineered scalable back-end systems using Java, Spring Boot to build robust credit platforms• Designed and developed RESTful APIs enhancing integration capabilities• Created seamless user experiences by building responsive UIs using HTML, CSS, JavaScript• Implemented Spring Security, authentication protocols to effectively secure APIs• Containerized services and applications leveraging Docker and cloud

• Developed React and Redux based insurance web applications optimizing reusability through shared component architecture• Created Apollo GraphQL APIs and schema definitions to enable flexible data querying and aggregation• Implemented React useContext and useReducer hooks for efficient state management across components• Incorporated React lazy loading, memoization and code splitting for optimized application performance• Integrated React UI components securely with Spring Boot REST APIs using OAuth 2.0 protocols• Designed Docker and Kubernetes environments for microservices and implemented CI/CD pipelines for streamlined delivery

• Developed and maintained robust enterprise Java applications and systems leveraging Spring Boot for Walmart ecommerce• Created React and Angular-based UI components providing engaging customer web experiences• Implemented complex integrations with payment, fulfillment, inventory management systems enabling seamless workflows• Designed service-oriented architecture patterns implementing microservices for order processing functions• Developed REST and GraphQL based APIs and integrated them securely across ordering channels/applications• Implemented CI/CD automation, tokenize data, used encryption enabling end-to-end security across ecosystems• Administered databases (Oracle, MongoDB), optimized complex queries, ETL processes for analytics purposes• Containerized core services/applications using Docker and deployed them scaling on AWS Cloud infrastructure

• Developed enterprise-grade applications employing Spring Framework as core backend leveraging dependency injection and Aspect-oriented programming• Designed layered Spring applications implementing separation of concerns between UI, business logic and data layers• Leveraged Spring Bean Factory for creating application component instances dynamically at runtime• Developed reusable APIs and services by utilizing powerful abstraction and loose coupling capabilities of Spring Framework• Created transactional business flows programmatically using template classes avoiding boilerplate code

• Built robust Java backend leveraging Servlets, JavaBeans for request handling and configurable components• Authored complex PL/SQL scripts and database stored procedures enhancing back-end application logic and processing• Incorporated Log4j for application monitoring, tracing and diagnostic capabilities• Performed extensive unit testing using JUnit resulting in releases with minimal defects