Social News Feed
hardOpen designVery commonly asked~45 minHLD roundBar raiserSenior / SDE-3MetaGoogleAmazonFlipkartSwiggyStorage & Data ModellingCachingQueues & Async
The question, as asked
“Design the home timeline for a social app — the feed a user sees when they open it.”
Your answer, first
Commit something before anything unlocks. Saved on this device as you go.
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Worked answer in progress
This one is listed because it comes up constantly — the three-depth answer, follow-ups and red flags are being written. Attempt it above anyway; that part works, and the guides below cover the ground the model answer will.