Hello mate
We've come across your description that you are looking for flutter/dart developer for android & iOS. we can integrate cloud services, google authentication, google classroom. it would be great if you provide me more details so that I will let know that we can finish it in 3 week days.
we are glad to tell you that we've pool of certified & 7+ years of experience mobile & web developers in my team. We assure you get 100% customer satisfaction guarantee from our side as we believe in long term relationship.
We've also knowledge in Flutter/Dart, firebase, native android(java, kotlin), native ios(Objective C, Swift) & hybrid (React-native, ionic), Cross platform(Flutter), 3rd party integration, api integration, (MVC,MVVM, MVP) patterns knowledge in android & (MVC, MVP) pattern knowledge in flutter.
Let's come over chat so that we can do detail discussion on it & start it immediately.
Looking forward to positive response.
Thanks & Regards
AppITron Team