Cercasi consulente per sviluppare un expert

I need an EA in MQL5 for MetaTrader 5 with the ability to select the timeframe, which should be 5 minutes, 15 minutes, or 1 hour. It should be based on Bollinger Bands with a period of 50 and a multiplier of 2. When two consecutive candles touch, intersect, or surpass the upper band, a long position should be opened, which will close when the price touches the middle band (the central moving average). Conversely