A great overview of the difference between Jobs, Careers, and Callings. Specific to the game industry but also guessing that it’s broadly applicable to most industries.
https://www.youtube.com/watch?v=PuEdppkPjfo
This article is not really about Gen AI, and it contains a lot of wisdom about engineering levels and what to expect at each rung (junior, mid, senior, staff). The Gen AI commentary is just the icing on the cake.
Generative AI is not going to build your engineering team for you - Stack Overflow