Hello
I have developed shopping app , geo-location/tracking app, radio streaming app, magazine/news app, cloud file manager app, photo editing/sharing app, PDF converter app, video&voice chatting app, cocos2d games and so on for IPhone(iPad) and Android before.
I have developed mobile app familiar your job for iOS and Android before.
I can develop web backend myself. I have strong skill of website and web applications developing.
If you reviewed my work history, you could know my skill and experience.
If you want , I can send you my samples.
If you provide me the mockup of your app, I can develop your app quickly and successfully.
JinZhang.