Casual but purposeful. Involved multiple people which was good because it gave me a better feel for the company. They used panels and 1 had one call back. They presented a pretty diverse group of interviewers.

The interview process is straight forward. The questions are behavioral based and the interviewers try to gauge your ability to answer questions timely but not oversell yourself. The interviewers kept the mood light and try to get you to be yourself to help determine if you are right for the culture.