Languages & Databases: • Languages: Java • Good understaning of Android core development topics • Google APIs: Google Maps, Analytics, CGM, AdMob • SQL databases: Sqlite, NoSQL, Room • Testing frameworks: Junit, Mockito • Android Image Loading: Glide, Universal Image Loader, Volley • Multithreading • IDEs: Eclipse, Android Studio • Development lifecycle tools: Git, SourceTree • Defect tracking: Google Analytics, Crittercism, Crashlytics, ACRA • Android testing tools: Android Device Monitor, Genymotion • Operating systems knowledge: Win 7/8/10, Ubuntu • Agile Development