Spring Security multiple-Users data source Authentication (Local Database, SSO(over SAML2), Social Login(over OAuth2) and OpenID server)

More than 8 years of experience in Software development & Building cloud solution on Google App Engine and Amazon AWS platform also Worked on noSQL and Big data. I have a strong bias towards open-source customization and worked on open source ERP, CRM, CMS, POS and ECM customization. i also worked on service oriented architecture and enterprise system integration, web crawling and scrapping using Jsoup & jaunt api. I have real working experience in following open source product. ERP and CRM- Opentaps,ADempiere and openbravo. CMS- Dotcms, Magnolia CMS Enterprise POS- Openbravo/Unicenta and Florent POS for Restaurant No SQL/Big data- MongoDB, Google Datastore, Apache cassendra and Hadoop Key Skills: Java, J2EE, Bootstrap, Angular JS, NodeJS, ExtJS, JavaFx, Web Services(SOAP,REST),Google App engine, Amazon Web services, Junit, Maven, XML, WSDL,Android, Linux. Frameworks: JSF(Primefaces), Hibernate, JPA, Struts, EJB, Spring MVC, Spring Security, Vaadin. Good experience in source code version control using Git & SVN, I am good in designing Single page application using AngularJS, Bootstrap and Spring MVC. Huge experience in Google app engine, Google Cloud SQL, Datastore, Frontend development, Payment gateway Integration (Paypal, [login to view URL]), Nosql database, Elastic & semantic search. Hadoop Map reducer.

Dear Sir, Can we discuss about your project requirements ? I can work on your Android application very efficiently. I have a very strong expertise since last 3 years with Android based web and mobile applications. Waiting here for your response. Thanks, Parvindra Singh Cordial Code