Troubleshooting de robô

(Please read carefully to fully understand the job) I am looking for a developer who has real knowledge in HFT strategies and the ability to create an EA that can run on a real account and be profitable. I already have an EA that performs well on a demo account, but not on a real account. This EA can be used as an example to build a new strategy. I repeat: it should only be used as a reference, not to modify or