Appian Associate Solution Engineer interview questions

I had 2 phone screenings that went well and then had an interview with a senior director. The interview with the director was unconventional and I didn't find it really productive. They spent the first 30 minutes asking me very specific questions about my last internship and nothing else related to education or other internship experience. Then they had me role-play as a customer service representative at the end.

First was a quick 30 min phone call with a recruiter to talk about your background. Then, first round was a 30 min behavioral and 30 min technical question part to test your thought process with a director. However, my interviewer was very rude and condescending. Questioned skills on my resume, told my answers were wrong even though it was an open-ended question. It was so bad to the point I was distressed and it was visible on camera. The interviewer tried to apologize.