Employee referred resume to HR person. HR person emailed to schedule phone interview with member of team. Interviewer called on scheduled day/time for 45min phone interview.
Tips: Amazon wants to see your customer-centric approach to everything - whether pricing or product feature decision-making. They also want to see proactive, initiative-taking, entrepreneurial approach. You have to sound smart, upbeat, and cool. Sense of humor, positive attitude are a must.
People are very smart, friendly, and want you to succeed in interviews because they really want good people. Interviewers are prepared with questions that find out about you and ask intelligent and questions that are appropriately challenging for the position, and don't ask gotcha questions.