Need consultations in MQL4 language

I have installed an Expert Advisor (EA) on my MT5 platform that generates trading signals based on various Telegram channels. I am looking for a skilled freelancer to help me optimize and backtest this EA with different risk settings. The goal is to create three expert sets (low, medium, and high risk) for trading Gold, Forex, and Indices . Scope of Work: Backtesting: Perform backtesting on historical data for