Microsoft

First is an OA round. They asked about tree problems. Basically, you need to implement very quickly. Then they asked another question about graphs, mainly a graph traversal problem. It was not very hard.

The first interviewer had not even glanced at my resume and was dismayed when I turned out to be an experienced professional, not fresh out of college. I was never asked about my professional experience, nor were there any technology-specific questio

One phone call initially with a recruiter to outline the process. Four 45-minute technical interviews during the onsite. One final 30-minute interview with a hiring manager (only for some people is what I've heard).