Microsoft

First Round interview: * Go through your resume. * Determine whether a tree is a BST. * Implement the merge sorting algorithm. Second Round interview: * Go through your resume. * Explain how to design a MapReduce program for the word counting task

1. Recruiter phone call 2. Filter by Senior SDE 3-4. Video interview with SDE II and Senior SDE (coding and system design from resume) 5. Video interview with Principal (coding, system design, and project experiences from resume)

I applied through an employee referral. The process took 4 weeks. The interview process consisted of five technical rounds. About one week after the first interview, I was invited to complete three consecutive technical interviews in one afternoon.