Ninjatrader Shorting Strategy

I am looking for a programmer or trader to design and/or find a successful ETF SHORTING trading strategy somewhere on the internet through blogs or websites that I can upload to the platform Ninjatrader 8. The strategy must have the following characteristics for trading any of the major ETF's such as QQQ, SPY, or IWM. Short ETF's Profit factor equal or greater than 2.0 Win percentage equal or greater than 70% Backtest going back to 1/1/1998 to present 10 trades or more during a 20 year backtest The strategy must not be obtained the [login to view URL] website since I've already download and tested those strategies: [login to view URL] Thank you.