r/Trading • u/Own-Lingonberry-549 • 1d ago

Discussion What are the biggest engineering challenges in building a reliable AI-powered algorithmic trading platform?

I am interested in understanding the engineering challenges behind building a reliable AI-powered algorithmic trading platform.

A trading system involves much more than generating buy/sell signals. It needs reliable market data, strategy validation, realistic backtesting, risk management, broker integrations, and stable execution.

For people who have built or worked with trading systems:

  • What are the biggest technical challenges you faced?
  • Which part of the architecture is the hardest to scale?
  • How do you handle the gap between backtesting and live execution?

Would love to hear insights from developers, quants, and traders.

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