I left a company after 5 years because (in retrospect) I was starting to feel burned out about product engineering. I left for another product engineering job, thinking that my problem was with the product culture at my old place. Nope! Hated product work at the new place too.

Eventually a role opened up at the old place, working on a more dev-ops-y side, and I gave it a shot. It worked out well for 2 years, but after a re-organization cut back the scope of my work, I left for somewhere else.