As I'm a senior full stack Mobile Developer, I have rich experience of more than +5 years. I have expertise in Native and Hybrid Mobile languages as like -Android, Swift, Objective C -React Native, Ionic, Flutter, etc... Especially, I have deep knowledge of Google Firebase integration as like Real-Time Database Management, Firebase Auth(Google, Facebook, Twitter, etc...) And I'm very familiar with Firebase API integration as like Google Adwords, Google Play, Jira, AdMob, etc...