Orders for design development - C# - new

i need someone that can make me an EA really easy with the martingala system?, I am looking for something that doesn't exceed 5 trades for the martingale, I think I did it, but it only works for propfirms, So i need to develop it on ninja trader I have identified a very very simple strategy but it only works on propfirms, with only two propfirm accounts, i absolutely need account A and account, And they have to open