I applied in-person. The process took 7 months. I interviewed at Amazon (Seattle, WA) in Dec 2016
Interview
The interview process was long. Overall took 7 months to get hired. In person interview was 4 hours. Each interviewer asks different types of questions. First interview is with a unaffiliated person, remaining with the team members.
I applied through an employee referral. The process took 2 weeks. I interviewed at Amazon (Bengaluru) in Sep 2015
Interview
Full of situational based questions and there you have to answer depending upon the different roles you have worked upon in your professional career which aligns the companys goals and technical expertise.
white board questions and behavioral questions, one bar raiser asking more questions in depth, 4-5 people in the loop, mostly based on leadership principles. Try to come up with job situations that apply to leadership principles