Hello, After reading your project description throughly , I found I am fully confident to develop the project. I have 5+ years experience on native sdks (iOS, Android) as well as Web service/Backend development. So I can say, you will be never worried for a single technical issue for your project - Guaranteed!
Please provide me with more details of your project for further discussion and then I can give the cost and time of your project more exactly and competitively.
I will update you regularly so that you can test the app at your side and get a clear idea about how the project is going actually. I will support submitting the app on App store / Google play (if necessary) and fix any bugs (if any) within 2 months since the app is released with no extra cost.
Please let me know if you like to show my portfolio.
Thank you,
Arefin