We have 9+ years experience in designing & development of websites. We have multi year of experience in Java/J2EE/Open Source architecture. Architecting,managing, designing, developing, testing, reviewing, refactoring and maintaining real -Expertise in developing multi-tier web application using Java, J2ee, WSO2, JSP, Servlets, Struts, Spring, Thymeleaf, Tiles, Hibernate, JDBC, JNDI, EJB 3.x, JSF, AJAX, - Experience in Architecture design and development of cloud based n-tier architecture. Mainly worked with Amazon EC2, AppFog, Openshift and Heroku. - Experience with SVN, Git, Mercurial, Bitbucket source control. - Experience with Jenkins and Hudson continuous integration tool. - Experience with SonarQube a tool for code review. - Extensive working knowledge with Eclipse, Spring Tool Suite, Maven, Ant, Gradle, Soap UI, RESTClient, Sonar, JIRA, Redmine, Asana and Net Beans IDE tools. - Key participant in all the phases of SDLC with analysis, design, development,integration, maintenance, debugging, testing and production support for software - Expertise in implementing J2EE design patterns like MVC, Adapter, Session Facade,DAO, Business Delegate, Service Locater, Factory, Abstract Factory, Command Line,Reflection and Singleton. - Understanding and experience with PaaS, CaaS, IaaS and SaaS architecture. - Developed multi-tiered object-oriented system architectures utilizing Use Cases, UML(Sequence, Activity and class diagrams) and Rational Rose. Sound RDBMS, ORDBMS concepts and extensively worked with PostgreSQL, SQL, PL/SQL, My SQL, Mongo DB and Memc