Apps Developer Needed for a New App

Need an experience developer with verifiable experience in developing latest we application to develop iOS and android apps, including its front facing cms marketing website that includes the following key features:
* User accounts that restrict excess to the app when subscription expires
* Ability to offer free introductory periods
* Pricing with ability to offer discount on regular basis
* Ability to upload many picture images by users
* Ability to display image loaded per user account
* Ability to search images uploaded using image tags
* Ability to generate qr codes per iser