Microsoft

First, there was an OA. The questions in the OA were from mid to hard. After that, I cleared the OA. Next, there was a technical round in which the interviewer asked me about core CS fundamentals and some DSA-related questions.

The process took one day. It was for a data engineer role. I got it without a referral. People at Microsoft were saying it was internal and they were not able to give a referral. The position was not finalised. I got a call from an HR representative

First, there was an Online Assessment. After cracking the coding round, one question was related to Kadane's algorithm. The second question was related to finding local minima in a grid. I did it in O(N) time complexity and O(log n) space complexity.