So far I've spent my career in small teams / startups and it's starting to become apparent that a lot of what's assumed in these titles only applies in larger corporations where resources are abundant and it makes business sense to have a specialist focused on a single aspect.

Unfortunately I'm at a point where I have 'jack of all trades master of none' syndrome and it's causing me to fall in between the cracks professionally. I'd like to move to a larger company where I can develop deep expertise in a narrow topic.