I am developing android application since past 4+ years. I am not only expert with Android development, but being a freelancer I have to master back-end development as well, and I am having expertise with that. My Expertise: - Android Application Development using Java - Android Studio & Eclipse - Material Design - API integration - Rate-app integration, - Ad-mob - Bug-fix, code optimization - PHP, backend admin panel development - Web Services, API Development - Payment Gateway Integration less