I spoke with a recruiter at a conference and was told I would be emailed an online coding interview within 2-3 days. It took almost two weeks.
Once I received the interview, I was given 50-60 minutes to answer all three questions.
The first question was a very hard regular expression problem. The second was a simple search algorithm. The third was a medium difficulty question about algorithm design.
The following metrics were computed from 155 interview experiences for the American Express Software Engineer role in United States.
American Express's interview process for their Software Engineer roles in the United States is fairly selective, failing a large portion of engineers who go through it.
Candidates reported having very good feelings for American Express's Software Engineer interview process in United States.