You should develop c#, android client.
And must connect with Bitfinex, hitbtc, Bittrex, Yobit, [url removed, login to view] api (http or websocket).
1) scrap bitcoin price data
2) implement market buy and sell
3) changable auto trading logic in fluently.
4) c# in WPF, android in Native.
I will support ApiKeys and SecretKeys, and ui design images for you to develop.
If you have some experiences about these apis, please contact me.
i will talk with you more details about project in chat.
11 freelancers κάνουν προσφορές κατά μέσο όρο $2498 για αυτή τη δουλειά
Dear sir! I have a good skill in c# and android programming. If you hire me, I'll complete your project in time. Thank you in advance. Stay tuned, I'm still working on this proposal.
We already developed 1 Mobile as well as 2 Web applications Exactly similar to your requirements but with PHP. I can get this done in C# as well. Please get in touch to discuss more and start.