I can easily handle most jobs related to GPU, and I believe I can handle your project task related to the implementing a parallel solution of backtest for the Ninjatrader trading platform. I have done a lot of projects related to GPU programming as well as implemented algorithms for trading platforms like tradewave, cryptotrader as well as forex metatrader. However, your project description doesn't contain a detailed information about the project. So for now, I will just introduce myself. I am a fast coder and usually write bug-free code. I won over 35 competitions in algorithms and development. No upfront milestones or payments required to start the work :). However, milestones will have to be paid in stages after each measurable step is completed and working. I will be providing you a breakdown of the project and its measurable stages. The work that I have been doing is displayed in my profile, and I believe I can handle your project well. Please visit my profile at freelancer.com/u/allenross356.html and you will be able to see that I have completed above 100 projects so far with excellent ratings. I reply within 24 hours. Please let me know if you would like to hire me. Thanks.