ML System Design

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Key Topics

Ranking & Retrieval Systems

• Ads Ranking
• Search Engine Ranking
• Product / Video / Text / Image Recommendation
• Embedding Generation and Retrieval
• Personalized Feed Ranking

Knowledge-Based & Social Systems

• People You May Know
• Expertise or Creator Discovery
• Hashtag or Topic Suggestions

Generative AI Systems

• Chatbot with RAG (Retrieval-Augmented Generation)
• Generative Recommendation (e.g., Smart Replies)

Trust, Safety, and Moderation

• Detect Unsafe Content
• Spam / Bot / Fake Account Detection
• Content Moderation Pipelines

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Learning Resources

Interview-Focused

• ML System Design Interview (Educative.io)
  A structured course covering common ML system design interview questions and patterns.

• Grokking the Machine Learning Interview (Educative.io)
  Focuses on coding + system design for MLEs, with real-world case studies and Q&A format.

• Machine Learning System Design Interview by Alex Xu

• Generative AI System Design Interview by Alex Xu

• Company's Tech Blog

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