Google system design interview
Round 6 of 8 · 23 questions reported
- Length
- 45 min
- Format
- Whiteboard for the diagram, a doc for requirements and capacity math
- Heads-up
- From L5 (some L4 loops too); staff loops have two, one infrastructure and one product.
Questions Google asks in this round 23
- Design a distributed web crawlerAug 2026 · once
- Design a bot detection system
- Design a distributed job scheduler
- Design a distributed key-value store
- Design a metrics monitoring system
- Design a news feed
- Design a notification system
- Design a payment system
- Design a quota service
- Design a rate limiter
- Design a Slack-like chat system
- Design a top-K popular items system
- Design a VM bandwidth rate limiter
- Design an address autofill system
- Design an S3-like object storage system
- Design Dropbox
- Design Facebook Messenger
- Design Google News
- Design Instagram
- Design Spotify
- Design TinyURL
- Design typeahead suggestions
- Design YouTube
About the Google system design round
What does Google ask in the system design round?
The most asked: Design a distributed web crawler, Design a bot detection system and Design a distributed job scheduler. 23 questions reported in all.
How long is the Google system design round?
About 45 minutes.
What is the Google system design round like?
Whiteboard for the diagram, a doc for requirements and capacity math.