Katkat
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Mercor Software Engineer interview with a five-hour virtual super day

MercorSoftware Engineer · Other · May 2026

My process started with a recruiter call, followed by an AI-driven stage where I answered LeetCode-style questions and additional technical prompts. After that, I went through a longer "super day" style setup. Mine was virtual and lasted about five hours in total, combining system design, coding, and what they called vibe coding on the same day. It was on the harder side, although I also felt lik…

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