Flutter Fluxstore installation service for iOS and Android (integrate, build & publish)

looking for flutter developer to install, integrate, build, and publish the iOS and Android apps in the stores.
We use Fluxstore Woocommerce app from InspireUI developers on Codecanyon. More details about app on the below url.
https://codecanyon.net/item/fluxstore-woocommerce-flutter-ecommerce-full-app/24050041
Need to integrate the App with features that provided by Fluxstore such:
- Push Notifications by Firebase or OneSignal
- Social login by firebase
- Multi payment methods
- Splash screen
- Dynamic links
& will communicate if we require other …

The Developer must use Apple computer for xCode to work with the iOS app.

Thanks