Currently we have both iOS and Android App and web api services to fetch data for apps but we are facing some performance issues like loading time of contents and the apps itself. We want to solve this problem asap. To solve this problem you should have following skills-
1. Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes
2. Must have experience working with Android SDK, JAVA
3. Proficient in Android Native Programming
4. Experience in JSON/XML and REST based Web Service based integration.
5. Have published 5 or more Android apps in the Google Play store.
6. Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies.
7. Good knowledge in OOPS concepts, XML, JSON, Web Services, SQLite databases.
8. Knowledge of mobile applications performance optimization and implementing test harnesses.
9. Experience with third-party libraries and APIs
10. Should have experience on dealing with applications which has large volume of data. Like Classifieds Marketplace application.
At least 5+ years of experience of Android App development & design