HI,
I checked your requirement .
I have 5+ years of experience in android development.
Experience in:
Web based apps
Restful apis.
Google maps , Google Push notification , Admobs , Facebook, twitter, G+ .
Sqlite , firebase, firebase chat application
Zxing/QR code/Google Barcode API,
Android Web apps development ,
Source code correction ,
Enhancement in source code,
Modification in exciting source code.
let me know , if i can work for you.
Thanks