Key responsibilities: 1. Work on Flutter framework and DART programming 2. Work on RESTful APIs 3. Work on object-oriented analysis, UML, and design using common design patterns 4. Work on the development of IDE Android Studio, Android SDK, and Firebase test lab 5. Work with offline storage, threading, and performance tuning 6. Work with push notifications 7. Work with iOS integration with Flutter 8. Work on the general mobile landscape, architectures, trends, and emerging technologies