IOS and Android App Development

The designs are ready and,
I am looking for IOS and Android app developers who can develop my application from scratch. Main things are
* Front end app developed
* Data base setup
* API interface setup
In Detail:
* Front end design implementation
* AWS data base setup
* API Interface implementation
* Credit card management system
* USER Profile management system
* User Address management setup
* User Registration setup
* User login with OAuth authentication setup
* Catch Layer setup
* User Impressions capture
* Security breach precautions