React Native: developer demand overview?

Question

Android

Friends are going to make an application of medium complexity on React Native for Android and iOS.
Now they have a back and a demo version of the application for Android.
Please tell me:
1. What is the situation with intelligent developers on the market now?
2. What short video(!) course on React Native with simple examples should I watch in order to communicate more effectively with these developers?

Answer 1

here is one of the courses (paid) that many recommend
https://www.udemy.com/the-complete-react-native-an...

Answer 2

1. Go to job exchanges: fl frilance upwork and see the number of orders
2. The best course is the official documentation. There is a detailed start.