Earlier quoted context omitted.
I'm yet to work on an enterprise project where programming is beyond simple validation, simple SQL, simple sheduling, simple mapping, simple error handling. Might be more about web backend than the whole field, but the challenge always comes from formulating requirements in a rigid form with all edge cases considered. This might be the reason why many personal projects are so technical and impressive - it's the itch…
It depends what you mean by enterprise project? If you just mean a large company, I would say they do exist - though it may take some looking for them. You can find them in companies that have to deal with "real" things (hardware, factories, production lines), or where there is an interest in taking advantage of emerging technology (advertising, e-commerce) I would call my current project relatively systems-level too…
That's the first time I've heard that idiom. What does it mean?