Developer applicants have rated the interview process at Amazon with 3.5 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 33% positive. To compare, the company-average is 63.8% positive. This is according to Glassdoor user ratings.
Here are the most commonly searched roles for interview reports -
online programming questions, 2 question to be solved in 70 minutes, can run tests and add custom testing in the online IDE, if you run out of time, the window is locked out.
I participated in an OA and the questions were of medium difficulty. It required some knowledge of arrays, strings and dynamic programming. There were 2 questions that described a situation to be solved.
the interview was formal but pleasant, a lot of high level algorithm questions were asked but it was upto standard for a company of this level. There was a lot of variation.