IOS and Android developer with barcode/QR scanner experience

We are looking for a mobile developer experienced with iOS and Android.
The mobile application you will build will scan a products barcode and present information.
The database (ms sql) and the SQL will be built by another developer.

I you are able to provide an example of a mobile app that scans the barcode of a product that you have built it is a big advantage.


Existing applications that have some of the features that this app will have
https://itunes.apple.com/se/app/scanlife-barcode-qr-reader/id285324287?mt=8
https://itunes.apple.com/se/app/trustbox-swiss/id992765772?mt=8

Requirements:
3+ years of Experience
A track record of developed mobile applications

Skills Required:
- iOS Development
- Android Development
- English Speaking

Skill/experience nice to have
- API's
- AS2 (Applicability Statement 2)
- SQL
- Facebook API
- Amazon Web Services

Thank you for your time