The process took 3 weeks. I interviewed at Amazon (Dublín, Dublín) in Feb 2018
Interview
90 minute technical interview with three interviewers (2 Network Engineers and Manager). Questions was related to basic networking terms e.g. DNS, TCP, DHCP packets, ARP lookup and after that went much deeper to OSPF/BGP. Great experience with positive result.
I applied online. The process took 2 months. I interviewed at Amazon (Belgrade) in May 2017
Interview
4 hours with 4 different groups of people, before that short 30 minutes screening interview via phone. Amazon paid the tickets and hotel stay for me for the second interview.
I applied through an employee referral. The process took 2 months. I interviewed at Amazon (Dublín, Dublín) in Jun 2013
Interview
2 Phone Screens, 1 day onsite - Hectic, brief and fair. 5 interviews completed on campus with a lunch in the middle session. Met a mixed group of folks, 2 of which had nothing to do with the department or role I was applying for. All left time for me to ask questions, so need to prepare for that!