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Design an ads audience targeting system

Last updated: Apr 16, 2026

Quick Overview

This question evaluates skills in large-scale system design, data modeling for massive audience membership, low-latency lookup mechanisms, and operational concerns such as high-throughput ingestion, privacy/security, and multi-tenant isolation.

  • hard
  • Netflix
  • System Design
  • Software Engineer

Design an ads audience targeting system

Company: Netflix

Role: Software Engineer

Category: System Design

Difficulty: hard

Interview Round: Technical Screen

Quick Answer: This question evaluates skills in large-scale system design, data modeling for massive audience membership, low-latency lookup mechanisms, and operational concerns such as high-throughput ingestion, privacy/security, and multi-tenant isolation.

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|Home/System Design/Netflix

Design an ads audience targeting system

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Netflix
Jan 20, 2026, 12:00 AM
hardSoftware EngineerTechnical ScreenSystem Design
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