- React Native/Swift/kotlin/Flutter
- Back-end development: RESTful web services, Firebase, AWS
- Creating UI with Storyboards, XIB, or code-made UI
- Implement a chat module for your app or create a chat app
- Integrate third-party SDKs
- Implement push notifications
- Implement a map, GPS, and location views
- Implement authorization, login, registration modules
- Implement a background fetch functionality
- Integrate Firebase based chat module
- Implement a calendar view
- Database: MySQL, SQLite, MongoDB