Hibernate, Spring Framework, Automated Testing, Data Structures And Algorithms, Spring Boot, Sapui5, Java, Devops, jQuery, Kafka, Html5, Css3, Node.js, SQL and database design, Javascript, Restful Apis, CQRS Patterns, CI CD, SAP OData V2 and V4 services, SAP Fiori Elements, Event-Driven Architecture, Microservices Architecture