advancedReal System Design Problems
Design Slack/Teams — channels, threads, and search at scale.
Tests whether you know channel-based fanout and message search have different scaling characteristics than 1-on-1 chat. Asked at: Salesforce, Microsoft, Atlassian
Ready to design this system end to end?
Generate a complete, structured system design answer — requirements, capacity estimation, API design, architecture, database choice, scaling, caching, fault tolerance, security, trade-offs, and more, walked through the way a strong senior engineer would in a real interview.
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