To understand the domain requirement, architecture and design the roadmap for application development. Drawing the UI/UX components : getting them validated from operations team and then proceed for the Development. The person should have an attitude of 'Do it right the first time' !
If required, unit testing is also needed.
Valuable knowledge of Android, Flutter and Java is essential. Knowledge of mySQL / SQLite shall be an advantage through not a necessity.
Only those with long term (3 years) commitment need to apply. Growth prospects for right performance is guaranteed.