Exp	Using Spring Boot, ROO, MVC, AngularJs/jQuery application UI system, including architecture design and software implementation. Designed and implemented overall architecture, Security framework/strategy, software implementation. Developing and implementing of REST APIs, JSONs, JPA/Hibernate and so on using REST, HttpClient, Spring, MongoDB, AWS EC2 on top of existing legacy scripting based system, implemented NoSQL, REST Cloud technologies by App sub systems integration using MongoDB, Tomcat and EC2 Instance on AWS.