Ideally you touch every part of the stack, learn some new stuff, play fast and loose with everything, cash out leaving your '10x developer' code for someone els

Ideally you touch every part of the stack, learn some new stuff, play fast and loose with everything, cash out leaving your '10x developer' code for someone else to maintain, and tell people you have experience with a million trending technologies while omitting the superficiality of said experiences. It's all about the lifestyle.