Are you looking for a developer with experience in Java and Flutter. The order includes moving the application to a new server (back-end construction to obtain .apk and .ipa files) and uploading the application to the company's app-store.
The application is fully functional, the transfer of the application in direct contact with a development company that offers immediate assistance in the process.
After completing the transfer and deployment to the stores, the possibility of further cooperation in expanding the application and its supervision.
The amount is negotiable after consulting the application's source files.