All my interviews went well. All the people I talked to were very nice. The problems got progressively harder as the rounds progressed. 'Apparently', the hiring bar is really high. Good luck to anyone who passes this interview process. I also agree with the review given earlier about a technical guy who has held a job at a previous bigger company. He is arrogant and I am glad I got to know about him before things progressed any further.

Got the interview through online application. The next week, was scheduled an interview with the hiring manager and then a phone screen with an engineer. leetcode medium question. The interviewer was nice and helpful in the pair programming