Trailing Pending Limit/Stop Orders Robot

Hi.

I need a developer to create trading robot.

The robot needs to create/open pending limit orders with an adjustable lot size.

The original pending orders need to follow price and not create new orders when price is moving.

Once the pending orders are triggered they should alert the trader.

The trading robot should allow the trader to set the closing time of the triggered trade.

The triggered trade should allow to be closed in current candle end time or future candles and should allow automatic close of trades at current candle close time.

The robot should allow multiple pending limit orders to be opened and include an option to close one or all open positions on that particular limit order.

The robot must be capable at operating multiple trades open and close with different currencies traded.

This should go without saying that the robot must be free to operate on its own and not create error in both lot size or closing the positions on time.