Google Web Toolkit
Google App Engine
Over 7 years of experience with strong knowledge and proven industry experience in Java, J2EE, Smartphones (Android, iOS, BlackBerry, Windows 8) and Google Apps Marketplace applications.
I am working as a freelancer from last 4 years and have worked on many different technologies and delivered successful results. Below is an overview of my skills:
Spring, Struts, JSF, Hibernate, EJB, JPA, JDO, Maven
Google APIs (Docs, Email, Marketplace, Contacts, Gadgets, Groups etc)
GWT (Google Web Toolkit) (SmartGwt, Sencha Gxt, ExtJ