I applied online. The process took 2 weeks. I interviewed at Amazon in Apr 2011
Interview
1 online test, 40minutes focusing on details.
1 phone interview, questions about cv, problem solving, maths calculations.
1 online test, 1hour xml test, solving bugs and completing the steps requested.
1 phone interview, like the first interview but with a different person, less math, more situational problem cases.
I didn't pass last one.
Interview questions [1]
Question 1
typical cv questions, problem solving cases, maths problems