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by Ferret7446 1407 days ago
To be generous, if we're talking coding specifically, 4-5 years is a reasonable cap in my opinion.

Coding is not the same thing as software engineering or systems/architecture design or technical leadership or... All of those things can be improved significantly through a human lifespan. The act of writing code? Not so much.

The other caveat is that most people will not be getting enough experience to hit that cap in 5 years. You need the right environment, mentors, etc.