Nice and chill. There are three different interview steps. First, it's with the HR, then with the manager, where she does a mini case study. Finally, with another manager. They are generally all very friendly. What I really liked is that they give you the reasons why they rejected you.
Interview questions [1]
Question 1
1. why I want to work there
2. why would I be a good sales person
3. do I have experience in sales
4. which languages do I speak