You had no burnout or resentment because you had an enjoyable working environment with what sound like just rewards and you were able to learn valuable things. That's pretty rare in my experience.

My anecdotal evidence is the opposite. I worked extra hours and volunteered for a long time. I took responsibility for things nobody else wanted. My raises and bonuses were trivial. I had one promotion early on from entry level to midlevel. Then I was filling the role of a senior dev and a tech lead for a year each with good reviews and respect of other devs in the department (and some outside it). No promotion, still minor raises and bonuses.