Technical Skill: JavaScript , Python , Architecture , JSP , HTML , Spring , Ajax , UML , MVC , Database Design , Web Services , SOAP , EJB , Client-Server , JFS , JPA , Cache , Design Patterns , WSDL , Prototype , NoSQL , Multi-Threading , RDBMS , SOA , Microservices , API Gateway , RBAC , Synchronization , Abstract Factory , Singleton , Observer , SPA , ESB , Enterprise Integration Pattern , Spring Boot , Data Warehouse