First step is hr interview, second is team interview, last step is manager interview. overall it is fine. Many behavior questions. Not much technical quesions. Questions include SQL, PYTHON, Statistics, probability and so on.
I applied through other source. The process took 1+ week. I interviewed at Bluestem in Feb 2012
Interview
The interview process was first by email then by phone. When my direct boss came to Midland we had a formal interview and he was very gracious and made the whole process wonderful.