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Dashboard Learn Handbook Labs Practice library Learning paths Review Insights Studios Mock interviews Notebook

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Interview walkthroughs · designlab

Dashboard Learn Handbook Labs Practice library Learning paths Review Insights Studios Mock interviews Notebook

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Part 1 · Module 31

Interview walkthroughs

Complete, end-to-end demonstrations of the delivery framework applied to classic system design interview problems.

0 of 3 lessons19 min

31.1URL shortener end to endUp next6m
31.2News feed end to end6m
31.3Chat app end to end7m
LabDesign Tiffin from a blank pageFinish “Nightly settlement and the warehouse” firstTimed · 45 min50m

Practice what this module teaches

URL Shortener HLDTurn long URLs into short links. Keep redirects fast when a link goes viral.Foundation35 min News Feed HLDBuild a feed for millions of readers, from everyday posts to celebrity fan-out.Advanced50 min Chat Service HLD

Deliver ordered conversations across devices, reconnects and offline recipients.

Intermediate45 min