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Design an Instagram-like Feed System

Last updated: Jun 21, 2026

Quick Overview

This question evaluates a candidate's competency in large-scale distributed system design, focusing on feed generation, data modeling, storage choices, scalability, and trade-offs related to high read traffic and write fan-out.

  • medium
  • OpenAI
  • System Design
  • Software Engineer

Design an Instagram-like Feed System

Company: OpenAI

Role: Software Engineer

Category: System Design

Difficulty: medium

Interview Round: Technical Screen

Quick Answer: This question evaluates a candidate's competency in large-scale distributed system design, focusing on feed generation, data modeling, storage choices, scalability, and trade-offs related to high read traffic and write fan-out.

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|Home/System Design/OpenAI

Design an Instagram-like Feed System

OpenAI logo
OpenAI
May 25, 2026, 12:00 AM
mediumSoftware EngineerTechnical ScreenSystem Design
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