Reddit Machine Learning Engineer Interview Questions
The questions to prepare for a Reddit Machine Learning Engineer interview. Questions from real interview reports rank first. Updated weekly.
Design a recommendation system strategy for model cold start and new-user cold start, including serving, evaluation, and safe rollout.
RedditDesign a personalized feed ranking system that handles new users and new content under tight latency at large scale.
RedditDesign a low latency ML inference platform for high-frequency online predictions with strict response times and evolving model features.
RedditTests data structure knowledge and ability to map it to a real product feature.
RedditTests understanding of evaluation metrics and their behavior under skewed class distributions.
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Tests feature engineering, model selection, and validation for engagement prediction.
RedditTests model architecture trade-offs for sequential user behavior modeling.
RedditTests experimental design, statistical thinking, and metric selection for product impact.
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