I think the real answer here in terms of long term career "scaling" and upward mobility is to work in product with prior experience in engineering. Clearly unl

I think the real answer here in terms of long term career "scaling" and upward mobility is to work in product with prior experience in engineering. Clearly unless you're brilliant or credentialed enough to eventually be a principal engineer, the engineering side is a never ending treadmill with a glass ceiling that emerges way earlier than most would think.