Led the design and development of a high-scale promotions and analytics platform at Walmart (Sam’s Club), enabling real-time insights into member purchasing behavior. Built a distributed, event-driven system using Azure Event Hub to process billions of transactions with high reliability, supporting 40M+ users and real-time decision-making.

At KQED, I played a pivotal role in architecting and developing innovative software solutions. My responsibilities included leveraging cutting-edge technologies such as GitHub Copilot and LangChain to create scalable applications. I focused on optimizing performance and reliability through the implementation of microservices and cloud infrastructure.

Environment: Java 8, Apache Kafka, Springs Boot, Restful APIs, JSON, Spring Mongo Templates, Mongo, Eclipse ,Tomcat, Mockito, Redis, GIT, Agile Methodology, Spring Cloud Services(Service Registry, Circuit Breaker, Ribbon Client for Load Balancer, Sleuth, Spring WebFlux, Configuration Server, ), Pivotal Cloud Foundry(PCF as PaaS), Azure Cloud as Infrastructure as a service (IaaS) and Distributed Systems using MicroServices Architecture.

Project Name : Merlin,Apple HR System,Apple Talent Point(ATP).

Environment: Java 8, springs 3.0,Apache Camel Framework, Apache Kafka, Restful Web Services(Rest Easy), JSON, Spring JDBC Templates, Oracle, Eclipse ,Jetty, EasyMock, EHCache, SVN, GIT, SQL Developer Client, Agile Methodology, SQL, Design Patterns(Facade, Transfer Object, DAO, MVC, Service Lookup, Mongo, Singleton, Abstract Factory, Composite object,etc..)

Environment: Java 5(Collections, etc..), EJB 3.0, Web Services, JPA, Oracle, Eclipse, Oracle Weblogic10, JMock, TFS, TOAD Client, SQL/PL-SQL,UNIX Scripts, Batch Scripts, Agile Methodology.