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Real-time SystemsMedium~25 minPro

Designing a Live Sports Scoreboard

What to Expect

System Design Discussion

The interviewer asks architecture questions and probes your decisions with follow-ups.5 signals evaluated

Coding Follow-up

Implement a solution based on your discussion. Full editor with test cases. ~5 min

Interview Feedback

Numeric score, signal breakdown, staff engineer perspective, and strong candidate comparison.

Signals Tested

  • Choose the right real-time protocol based on data flow direction
  • Handle massive concurrent read-only connections
  • Design for mobile network constraints (battery, reconnection)
  • Implement intelligent polling with freshness checks

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