I had a very straightforward and friendly experience. Interview wasn't too difficult but I highly stress the importance of knowing all of Amazon's LPs for the last behavioral round. Recruiters were very communicative with them and made sure to provide all resources needed to prep for the interview.

First there's an assesment, they evaluate SQL, then sections of how you would work normally there, finally what appears like a personality test where you have to pick character traits that best define you, through a spectrum