Technical Screen

Transformer Bug Hunt with KV Cache from Scratch and a Five-Part Plant Infection Problem

OpenAIMachine Learning Engineer · Technical Screen · Sep 2026

Hi, I am preparing for OpenAI's ML coding interview and have summarized the ML coding questions mentioned in the OpenAI/Anthropic interview rounds I have given so far. Anthropic Research Fundamentals Round: It was related to implementing an ML algo and discussing various research/mathematical aspects around it. OpenAI ML Coding (Transformer Debugging): Debugging 4-5 implanted bugs in the transfor…

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