RejectedTechnical Screen

30-Minute Rapid-Fire Technical Screen, Rejected After Three Questions

MercorSoftware Engineer · Technical Screen · Sep 2026

The first round at Mercor was a 30-minute live technical interview. It was rapid-fire Q&A, where you try to answer as many questions as possible. I only got through 3 questions, so I didn't pass. The first question was to explain in detail a sorting algorithm faster than O(n^2). I gave merge sort. The second question was to give one slower than O(n^2). For brute force you can shuffle and then com…

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