I applied through a recruiter. The process took 3 weeks. I interviewed at The Ladder Group (New York, NY) in Aug 2013
Interview
I was brought in several times over the course of 3 weeks of for repeated multiple-hour interviews. The final step in the process was to perform a 3 hour design test to redesign a competitor's site and then come in and present it as if presenting it to a client.
Interview questions [1]
Question 1
3 hour design test to redesign a competitor's site, followed by a 4 hour presentation and defense of the design and strategic reasoning behind it.