I have seven years experience on both developer, team leader, architecture design and project manager positions. I also have a senior team can work with .NET, NoSql, PHP, Mobile (ios and android).
I have many experience working on APIs project like facebook, google, shopify, ebay, pinterest,...
I fully understand your requirements and I can deliver a perfect program for you.
I recommend using .net for window application.
your program will have these features:
- Management coins list - name, characters, profit,...
- Automatic get data from APIs and update buy/sell order.