Looking for a React-Native expert to fix small issues on MAC (IOS) and Andoroid

We are devloping a React-native App. We are facing some small issues with react-native on MAC while building the APP and some issues on android as well. For an experienced react developer it would be a matter of 1 hour to fix the issues. You would be required to come on my screen to fix the issues. Following are the issues that we are facing while building the app on MAC and Android:: 1.) Reac-native run-ios installs the app on iphone simulator, but do not execute the app and terminates with an error "error Failed to build iOS project. We ran "xcodebuild" command but it exited with error code 65." 2.) Getting "Firebase.h file not found" error while trying to build the app for the Generic IOS device. 3.) Getting "Firebase.h file not found" issue randomly and have to do "Pod Install" every time to handle this issue. 4.) Need to build IPA file to distribute it for testing with testflight. 5.) We need to gorup notifications on android device. Our goruping is working fine only facing a small issue while tapping on notifications in notification bar. This project requires experience with: - React-native - xcode 10 - Building IPA file for test distribution with testfilight. In your proposal, please share a brief summary of your experience and tell us about a recent React-native project, ideally one currently available on the App Store.