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Updated weekly · Last refresh Oct 17

Airbnb Machine Learning Engineer Interview Questions

The questions to prepare for a Airbnb Machine Learning Engineer interview. Questions from real interview reports rank first. Updated daily.

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1
Machine LearningStart here. 4 questions · ~42 min
Geohashing ImplementationHard

Implement geohash encoding, decoding, neighbor lookup, and precision selection for location-based feature generation.

data preprocessingmodel selectionFeature EngineeringAirbnb
Booking Experiences OptimizationHard

Select the fewest Airbnb experiences whose durations exactly fill a Paris layover, returning no booking when exact coverage is impossible.

Feature EngineeringoptimizationAirbnb
Improve Booking With Cover PhotosHard

Train photo engagement and booking models to select Airbnb listing cover images that improve clicks and completed reservations.

model selectionFeature Engineeringuser experienceAirbnb
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2
System Design4 questions · ~42 min
Downstream Evaluation Impact on MetricsHard

Explain how changes in downstream evaluation outputs propagate through Airbnb ML systems and alter online metrics.

ML Rankingfeedback loopFeature DriftAirbnb
Geohashing at ScaleHard

Design a geohash-based spatial query system for Airbnb listings, covering precision, indexing, scale, latency, and operational failure modes.

latencydatabase accessdistributed systemsAirbnb
Relisting Architecture With GeographyHard

Design an end-to-end Airbnb relisting system that uses geography effectively while meeting ranking, serving, and reliability goals.

ML RankinglatencyFeature StoreAirbnb
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3
Behavioral & Leadership4 questions · ~42 min
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4
More topics2 questions · ~21 min
Key-Value Store With TestsMedium
Practice

Implement a dictionary-backed key-value store supporting set, get, delete, overwrite, and missing-key behavior.

coding challengedata persistenceData StructuresAirbnb
LeetCode Hard CodingHard
Practice

Find the minimum-cost directed route with at most k intermediate stops using layered dynamic programming.

coding challengeleetcodeDynamic ProgrammingAirbnb

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