Reddit interview preparation

www.reddit.com/ (corporate: https://www.redditinc.com/)

Walk into Reddit prepared.
Know what it looks for.

Community-driven social platform where millions of users organize into topic-based communities to share, discuss, and connect. Reddit interviews emphasize community understanding, data-driven decisions, and building products that empower authentic conversations.

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What we know about Reddit

10 audio episodes, about 2 hours of listening, 1 free
System design round: 60 minutes
Mock interviews for every round, with a written report

Your preparation, in four steps

Take them in order, or start where you need help most.

What Reddit's rounds look like

System design at Reddit

Length: 60 minutes
Tracks: System Design

Known to ask

Design a notification system
Design a job scheduler
Design a content distribution system for Reddit's image and video assets
Design a recommendation system
Design a game leaderboard
Design the Facebook news feed

and 4 more