I am boss of the web & mobile development team of JinDongZhe freelancer.
I have powerful back-end(PHP, Java,Spring Framework, Hibernate, JPA, Oracle, Hadoop etc) and
front-end(Android, iPhone, Hybrid App, Mobile web, Sencha ExtJS, Sencha Touch, etc) technology.
Please lookup our portfolio carefully.
I am going to consult with many friends sincerely
Best regards