I applied online. The process took 2 weeks. I interviewed at Amazon in Jan 2018
Interview
A couple online quizzes and coding challenges, and then phone screen. The quizzes were trivial, and the coding challenge and phone screen were traditional software engineering questions (think crack the coding interview)
I applied through college or university. The process took 2 weeks. I interviewed at Amazon (College Park, MD) in Oct 2017
Interview
I had a 2.5 hour test on campus followed by one 45 minute phone interview. The campus assessment was divided into 1) Logic/Debugging, and 2) Coding/Behavioral Questions (it was a combination of OA1 and OA2 if you don't take it on campus)
Interview questions [1]
Question 1
IQ/Logic/Debugging questions, tree and linked list questions
I applied through a recruiter. The process took 1 week. I interviewed at Amazon in Dec 2014
Interview
There were two phone interviews by two different interviewers spaced out with approximately a week between both phone calls. The interviewers were understanding and scheduled around my finals at the end of the school year.
Interview questions [1]
Question 1
Can you give me an example of an object oriented programming language?