Microsoft

1st round (online coding): * Given an array that contains both positive and negative integers, find the product of the maximum product subarray. * Sort an almost sorted array where only two elements are swapped. * Given an integer value and a pointe

There were 3 rounds of technical interviews, focusing on LeetCode questions and concurrency. The LeetCode questions were Medium level, and there were many follow-up questions. The last round was a behavioral interview with the head of that product

The interview process had four main steps: * Online assessment * Recruiter screening * Three consecutive interviews: Data structures and algorithms, two low-level system designs * Hiring manager interview with a quick coding exercise