Dear Employer,
Greetings From Team Augurs.
Coming to your project scope you can hire our exp developer for developing a tree chart on the screen, up to 4 levels, in a flutter that will be integrated with API.
please ping us via freelancer chat box and provide us the complete-features so that we can go through with our developer and get back to you with development hours and cost and take this project to the development stage.
Regards
Sam