Bill Gates famously said that anyone who finished TAOCP should send him their resume, but to me, anyone who has read and done all the SICP exercises would be a good hire, and it is a far more achievable task.
I had been programming for about 10 years or so when I read it and did all the exercises. It seriously leveled-up my abilities, in my opinion.
That's a book I reread in sections without ever having read it in its entirety. It's among the books I can open up when I want something to read and be satisfied reading five to thirty pages because any rereading provides a new experience ...that's what makes rereading a good book interesting (or maybe what makes a good book): it is a different book because of how I have changed.
I had been programming for about 10 years or so when I read it and did all the exercises. It seriously leveled-up my abilities, in my opinion.