Rather hard OA, but the interview was easy in terms of LeetCode. I had to implement a queue and discuss time/space complexity and optimality. The interviewer was satisfied with a brief sketch with pseudocode rather than a proper implementation.

Otherwise, we discussed my previous internship and its technical aspects. In particular, we talked about writing a scraper and went through design choices (think generic system design interview questions).

There was also general CS chat, like explaining merge sort and discussing high/low-level languages. If you have worked with software, thought about CS, and are eager, then this aspect is straightforward.

Some behavioral questions were asked. Standard.

Tell me about your most interesting programming project.

Why are you interested in Amazon specifically?