Reddit Interview Questions and Guide
High-traffic read systems, voting counter architectures, cache invalidation, and practical day-to-day coding.
The Reddit interview loop
- Recruiter screen
- Technical screen (coding)
- Onsite: practical coding, system design (feeds, voting counters, caching), and culture
Reddit interview questions
- Design a URL Shortener
- Design a Distributed Rate Limiter
- Design a News Feed
- Design Twitter Search
- Design Reddit
- Design Distributed Counters
- Top K Frequent Elements
- Design a Content Popularity Tracker
- Tell me about a project you drove from idea to launch
- Tell me about a time you had to cut scope
- Tell me about a time you shipped fast and iterated