Principal Finance applicants have rated the interview process at Amazon with 4 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 57.5% positive. This is according to Glassdoor user ratings.
Here are the most commonly searched roles for interview reports -
A HR screen, an interview with the hiring manager and a two day full loop interview. All questions are behavioral in style and you meet with 5 to 6 different interviews at or just above the level you are interviewing for.