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Machine Learning questions require understanding of core concepts and practice. PracHub provides solutions with explanations to help you master machine learning interviews.

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This is a hard difficulty Machine Learning question, commonly asked during Onsite rounds at Meta.

What role is this question designed for?

This question is commonly asked for Data Scientist candidates at Meta during technical interviews.

Design a restaurant recommender under constraints

Last updated: Mar 29, 2026

Quick Overview

This question evaluates a candidate's competency in designing scalable machine learning recommender systems, covering retrieval and ranking architectures, cold-start strategies, evaluation metrics and hygiene, and latency/freshness engineering.

hard
Meta
Machine Learning
Data Scientist

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Design a restaurant recommender under constraints

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