Facebook Research Scientist Interview Questions
The questions to prepare for a Facebook Research Scientist interview. Questions from real interview reports rank first. Updated weekly.
Use Kadane's algorithm to find the contiguous subarray with the largest sum in linear time.
FacebookImplement first-fit allocation and freeing of contiguous blocks while tracking active allocations in a memory array.
FacebookDesign a recommendation system strategy for model cold start and new-user cold start, including serving, evaluation, and safe rollout.
FacebookDesign a recommendation and ranking system that handles cold start for both new users and new items without hurting feed quality.
FacebookTests ability to choose and justify missing-data strategies for large-scale user data.
FacebookTests practical data pipeline skills for noisy, incomplete large-scale datasets.
FacebookApproach for monitoring a deployed model and improving accuracy and operational efficiency over time.
FacebookTests your statistical reasoning for survey weighting and your ability to justify assumptions.
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