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Design a Q&A platform similar to Stack Overflow that allows users to post questions, comment on questions, and upvote or downvote questions and answers, while supporting millions of concurrent users at scale.
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Hello Interview · 1 record
Goldman Sachs
Design Stack Overflow
Reported Apr 27, 2026 · 1 source report
MID_LEVEL
Source snapshot: Nov 12, 2026
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