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Design a Real-Time Odds Ranker

HardSystem Design00:00
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Your question is Design a Real-Time Odds Ranker. Take a moment with it on the right.

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Problem

Scenario

You are building a mobile betting experience where live game state, odds, and user activity change constantly. The app needs to refresh personalized content in real time so users see the most relevant live bets and market updates while events are in progress.

Question

How would you design an application that handles real-time data updates?

What this tests

  • Streaming ingestion and freshness
  • Online feature serving
  • Multi-stage ranking design
  • Drift and skew awareness