I was brought to a room and had three or four engineers talk to me, one at a time. I spent one hour with each person, and I did 95% of the talking.

After that, I spoke with the hiring manager for 30 minutes and was sent on my way.

Following the interview, they asked me to build something using their CSM platform over the next few weeks.

Algorithm using dynamic programming.

Find the optimal solution to complete a maze.

Schema and system design.

How would you design Stack Overflow?

Basic sorting algorithms.