First of all I would like to acknowledge you that I am a BAKER Android, who not only can help you with a part but also have the potential to give you a full CAKE as per your requirements. Thus, what i meant to explain here is that I can help you out with you required application.
1. Push notification (Gcm, c2dm, Urbarn airship)
2. Bar code scanner, Qr Code scanner
3. Upload or post data(images,video,) to server.
4. Social APIs like Facebook, Twitter,LinkedIn, sharing..... etc.
5. YouTube API
6. Xml, Java
7. Creation of Mobile API's 8. Latest Material Design
Third Party API :
1. Google Maps 2. Google direction 3. Location API 4. Payment gateway 5. Volley networking library 6. Picasso 7. Push woosh 8. Realm 9. Retrofit 10. Braintree Either it is work of website to app conversation, custom app development etc , I am comfortable to do your work by utilizing my skills. Any questions, Please don't hestitate to ask me.
Design and Development of App with Third Party Integration, On demand web services too