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Three Back-to-Back Interviews After the OA

MicrosoftData Scientist · Onsite · Feb 2026

The OA was an hour long with two questions, pretty simple. Three days after that I got an interview invite. Three interviews back to back, three hours total, all with very senior people interviewing. The first interviewer worked on software/systems and had me write a problem, roughly medium difficulty. Org chart → Tree. Top-down, level by level → BFS. "Show the entire layer first" → Queue. The se…

Shared by a candidate · reported Feb 2026. Interview formats change; use it as a guide, not a script.