Three rounds, all human to machine, no one ever spoke to me, not even via email. First two rounds were OAs, which were fairly easy, 6 problems in total. I know I got one minor question partially wrong, but I still got through. The last round was to answer questions via video. The questions were even easier than the first round questions, but I got rejection. All communications were with their recruiting team's email. No recruiter contacted me directly, no one replied my emails and their emails were just sending me the links for the interviews. I appreciate the opportunity but the interview process is just plain awful.