I applied through a staffing agency. The process took 1 day. I interviewed at Amazon (Jeffersonville, IN) in Jan 2015
Interview
You walk into the building and do some basic knowledge quiz. You then watch a video that's about 30 minutes. You will be given an interview and then given a drug screening. If everything goes alright you will get hired on.
Was bare minimum. Just applied for the job through the app and then had to shore up to do the drug test. It was the easiest job applying experience I have ever had
I applied online. I interviewed at Amazon (Dartford, England)
Interview
Complete an online quiz to sort coloured blocks according to some rules. You have to read the instructions, make sure that certain colour blocks aren't placed next to each other, for example
Easy interview process with questions about availability and preferred shifts. No questions about technical knowledge or competency. The interviewer was approachable and polite. Just be yourself and it will be fine.