> You aren't actually going to.move engineers between those tasks very much, because each of them relies on fairly deep domain knowledge, and, in any case, it's

> You aren't actually going to.move engineers between those tasks very much, because each of them relies on fairly deep domain knowledge, and, in any case, it's unlikely that the size of demand between those tasks shifts enough that it makes sense to shift a lot of people around. I agree, but wanted to specify "big" examples to make it clear what my point was. That said, while they do require domain knowledge, I've seen people move into entirely different domains at the same company. It's not common, but it absolutely happens.