I applied online. The process took 2 weeks. I interviewed at PROS in Feb 2014
Interview
Phone interview with 2 people at different times. One is the company's recruiter, the other one is a senior member of the team.
One-on-one in person interview with: the manager, 3 senior team members, one manager from another team, and the VP of the department.
They may give you a prepared presentation ahead of time and have you presented to an audience during the interview.