The most unprofessional interview experience of my life. I did a recruiter screening + 3 rounds with the firmwide AI team. The interviews mostly felt like casual chats and most of interviewers were nice - except for the 4th one. I was interviewed by this incredibly rude PM who came to interview munching on snacks, proceeded to agressively barrage me with questions, interrupted every single answer I made in 20 - 30 seconds, then, without a hint of professionalism, accused me of not knowing what the things I was being asked because my answers were cut short by her interruptions. I don't envy anyone who's to work with her. I don't know how they event let such people interview, but I'd think twice before interviewing at MS.