The process was very demanding. 5/6 technical rounds, with a deep ML/DS algorithmic question and a takehome assignment that took a good amount of time to work on. The engineering team were great, and conducted the interviews personably and professionally. That said, the HR interview was probably the rudest and least respectful interview I've had in my career. Her communication style was quite off-putting, and felt like she already decided not to hire me before the interview began.