Google

Mail chain - Face-to-face phone screening round, in which they asked hard-level DSA questions. DSA - Scenario-based, priority queue was to be used with creating classes.

The interview process consists of six rounds, each following an elimination format. It begins with an introductory round, aimed at getting to know the candidate and assessing basic fit. This is followed by progressively challenging technical rounds

The interview for SSE was complex. The speed of coding is very important. If you are able to solve the problem faster, then you should be good. The interviewer started with an easy question and will add complexity once you solve the given problem.