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Your ranking model can be perfect offline and still fail the interview

Your ranking model can be perfect offline and still fail the interview. The interview isn't testing your model. It's testing your judgment about it. Design an ads ranking system, and the structure interviewers want to hear is boring on purpose — four stages, no magic: Candidate generation first, ra…

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  1. 2026-10-25 00:03 · DEV Community — Machine Learning
    Your ranking model can be perfect offline and still fail the interview

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