Design a Model for Poor-Quality Chat and Video Content

CodingRobloxLast reported April 2025Low Frequency
Reported
1× across candidate reports
First seen
April 2025
Last reported
April 2025
Reported outcome
unknown

Problem Overview

Design a machine learning system to detect and handle poor-quality or policy-violating content across multiple modalities — including chat (text) and video. The system is essentially a content moderation / quality classification pipeline that must work…

  • 4 candidate-reported follow-ups — the exact probes interviewers asked, with the trigger for each
  • The rest of the problem statement — full requirements, constraints, and edge cases
  • Approach and trade-offs — what passing candidates did, and the mistakes that sink people
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Verified Source
Every question is reconstructed from multiple independent candidate reports. Verbatim follow-ups, not invented ones.
Codex Fact-Checked
Technical claims, formulas, and scale numbers are reviewed against primary sources.
Interviewer Follow-ups
The exact follow-ups reported by candidates, with the trigger that prompts each one — plus the mistakes that sink people.
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