An expert coder to backtest my existing script

I am searching for a reliable programmer to have a look at my mql4 and mql5 trading script, this is my new strategy on Metatrader, I need thorough testing to ensure whether it work perfectly or not, I would like to have an expert in the field, I mean someone that's absolutely skilled in trading and developing trading robot, all I need is testing this bot and give best advise to ensure optimal trading performance before making