Spring,JPA, CoreJava, Swing, Webservices,Servlet, JSP, Androids, J2ME, iOS,Blackberry Yii, PHP MVC, Spring MVC, Mysql, Sql/Plsql, ISO 8086 Msg, encryption and decryption , Amazon web services, J2EE web tehnologies, Android Develipment, amazon S3 for storing images, Amazon simple DB for storing customer and business details, amazon elastic Bean stalk for tomcat