Online test followed by a manager call. This call had more of behavioural and little bit of basic technical question. After completing this round successfully a 3 hr slot was asked for 4 technical interviews back to back 45min each. Questions were really good and interviewers did help me a lot in solving them. It was a good experience overall but i couldn't crack it :(. It took around 2-3weeks for whole process

Very straightforward and painless, they have different procedures depending on if you're software or research and if you're PhD or masters. I had a good experience, very conversational- brush up on ML fundamentals. Have ideas for what you want to do with your time.