flutter ios side login issue

I'm in urgent need of a skilled Flutter developer to fix my flutter project have issue in login option for ios there is otp and google login option bout have issue and iwant also add new login option apple login and my flutter project have laravel backend it store login to firebase and my backend i can control users in there you can fix this ?

please if you don't know how to fix it or not sure and not fix it urgently don't place bid