Multi restaurant Delivery apps and restaurant app IOS and Android Flutter

I am looking for Developer who have experience in Flutter who can help me to customize and install app and upload to google store and Appstore as well as complete the PC & MAC & Web Apps :
- logo change
- reskin
- firebase setup and config
- project host on your server
- add on features available
- Installation support
- build & upload play store support
- iOS upload and compete it
- other jobs and error to fix it