I've been thinking about this since ChatGPT arrived.
My thoughts are distilled in a single page:
https://devarch.ai/trio-paradigm.html
I doubt we will ever need a large team to build software again. PMs will be fractional. Product owners and subject matter experts will become more valuable. And engineers that have deep experience with things like Domain-Driven Design will thrive and vibe coders will eventually be shut out of bigger roles.