The app for independent voices
If you want to become good at system design (in 2026),
then learn these 15 case studies:
1. How Google Docs Works:
2. How Stock Exchange Works:
3. How AWS S3 Works:
4. How Twitter Timeline Works:
5. How LLMs Like ChatGPT Work:
6. How Uber Finds Nearby Drivers at 1 Million Requests per Second:
7. How Bluesky Works:
8. How Kafka Works:
9. How Slack Works:
10. How YouTube Was Able to Support 2.49 Billion Users With MySQL:
11. How Reddit Works:
12. How Spotify Works:
13. How URL Shortener Works:
14. How Tinder Works:
15. How Meta Handles 11.5M Serverless Function Calls per Second:
(What else should make this list?)
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Dec 8
at
1:19 PM