How to prepare for ML system design interview as a data scientist?

📰 Reddit r/datascience

Hello, I need some advice on the following topic/adjacent. I got rejected from Warner Bros Discovery as a Data Scientist in my 2nd round. This round was taken by a Staff DS and mostly consisted of ML Design at scale. Basically, kind of how the model needs to be deployed and designed for a large scale. Since my work is mostly around analytics and traditional ML, I have never worked at that large scale (mostly ~50K SKU, 10K outlets, ~100K tra

Published 3 Apr 2026

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