Private trading software for US and China financial markets

Built 100% from ground up in 7 years, I created and maintain a private proprietary trading system that runs automated trades of stocks, futures, and options in the US and China. The system is written in Python with browser-based front-end access. In the strategic long/short signal generation layer, I used lightGBM based model that reads historical prices to generate a signal, that is later passed to handcrafted rules...