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ML System Design

Machine Learning System Design Interview Questions and Answers

Interview questions on Machine Learning System Design Interview Questions and Answers.

7 questions

System Design Framework & Fundamentals

Q1. What is the step-by-step framework to approach a Machine Learning System Design interview?

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Problem Formulation & Metrics

Q2. How do you choose between Batch Inference vs Real-Time Online Inference?

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Data Pipeline & Feature Engineering

Q3. How do you prevent Data Leakage between feature stores, training data, and online serving?

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Model Design & Selection

Q4. Explain the Two-Tower Architecture for Large-Scale Candidate Generation (Retrieval).

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Scalability & Real-Time Serving

Q5. What techniques reduce deep learning model latency for online real-time serving (< 20ms QPS)?

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System Monitoring & Maintenance

Q6. How do you detect and handle Concept Drift and Covariate Shift in production ML systems?

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End-to-End Case Studies

Q7. Design an End-to-End E-Commerce Product Recommendation System.

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