Worked on Android app :-
1). json webservices Optimising webservices to overcome the time of parsing for app.
2). Worked on parse push notifications.
3). Worked on implementing third party APIs, SDK, ADB.
4). Third party SDK integration - Facebook, Gmail.
5).Google services - location API and Maps, direction API,Ad- sense etc.
6). Data storage - Sqlite, Content Provider, Shared Preferences, External Storage.
7). Worked on Fire-base integration for notification, facebook, Google plus,
Firebase Crash Reporting.
8). Worked on volley and retrofit .
9).payment gateway like :Bill-desk,payu money, paypall.
10).Worked on new Material designs.