Hi, My favourite country is Bulgaria.
I read your requirement carefully.
I am very interested in your project and I agree with your all suggestion.
I am senior mobile and web developer.
- native android by java and kotlin.
- native ios by swift and object c.
- hybrid mobile app by ionic, react native.
- back-end php(and laravel), node js, python(flask, django)
- aws, google cloud server, google map tracking, several payment gateway, chatting and so on. (with social app)
I feel confident to provide you good result you want on time.
Please discuss more via chat.
I will provide you full service and best deal.
Best Regard!