HARD

LinkedIn Feed Generation

Generate personalized feed for 900M users. Show top posts, articles, jobs in real-time.

Estimated Time: 120 minutes
#feed#recommendations#ranking#scale
Solution Overview

Candidate generation (collaborative + content-based), ranking models, ads insertion, A/B testing.

Approach

Multi-stage ranking, collaborative + content filtering, ads insertion

Companies
  • LinkedIn
  • Meta
  • Google
Components
  • Candidate generator
  • Ranking model
  • Ads engine
  • A/B framework
  • Feed cache