Curriculum Associates Software Engineer Platform interview questions

Application- phone interview - coding challenge - onsite interview phone interview : questions based on resume. Since the role was primarily on Scala- Mongo DB, I was asked about the proficiency in them. Hackerrank challenge: 90 minutes using Java or scala. Onsite interview : 3 rounds. 1st : 2 people with questions on my resume ,how much I worked on scala , distributed architecture. I was also given a 2 page exercise to understand so that it could be discussed in interview. We discussed about that. 2nd : 3 people asked me few design questions /backend. 3rd : a lot of behavioral questions