I read your job description carefully and very interested.
This is because already I have developed some mobile app and website for exchange cryptocurrencies such as bitcoin, ethereum, litecoin, bitcoin cash, ..
So that this is very suitable project to me.
If you hire me, you will get perfect result from me in right timeframe.
Only I want from you these things.
Hosting server
What exchange api do you want to use (from which api providing companies?)
Regards,
Mark