How do I approach System Design interview questions?

System Design questions require understanding of core concepts and practice. PracHub provides solutions with explanations to help you master system design interviews.

What difficulty level is this interview question?

This is a medium difficulty System Design question, commonly asked during Onsite rounds at Meta.

What role is this question designed for?

This question is commonly asked for Machine Learning Engineer candidates at Meta during technical interviews.

Design a recommendation system from scratch

Last updated: Mar 29, 2026

Quick Overview

This question evaluates expertise in recommender systems and related competencies including machine learning-based candidate generation and ranking, data instrumentation and logging, cold-start strategies, and large-scale system design concerns such as latency, throughput, and reliability.

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Design a recommendation system from scratch

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Design a recommendation system from scratch

Last updated: Mar 29, 2026

Quick Overview

|Home/System Design/Meta

Design a recommendation system from scratch

Submit Your Answer to Earn 20XP

Loading comments...

Browse More Questions

More System Design•More Meta•More Machine Learning Engineer•Meta Machine Learning Engineer•Meta System Design•Machine Learning Engineer System Design

Your design canvas — auto-saved