The first round was a call with a PM, and he asked general behavioral questions while describing his job, the role, and the scope of the work. It was quite a friendly conversation.

I would suggest to not waste your time and energy with this company. The process was unnecessarily long. I ended up giving 5 rounds of interviews - 3 of which were onsite. Each onsite had me talking to 4 different people. The process took over 3 months. It also involved solving case studies and participating in Jam sessions. All of this ended with me getting a note saying - "There was not anything lacking from your end but the team is still figuring out the exact requirements of the role". They then came back 2 weeks later to make an extremely low offer. It seems like the company does not want what it is looking for when it interviews a candidate so they are just looking to interview as many people as they can and find an unrealistic candidate.