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Updated weekly · Last refresh Oct 15

Uber Machine Learning Engineer Interview Questions

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

41questions
~11htotal time
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1
CodingStart here. 23 questions · ~385 min
Closest Route via DFSMedium
Practice

Find a minimum-hop route in an unweighted graph by exhaustively searching simple paths with DFS.

CodingdfsAlgorithmsUber
Improve Time with Hashmap and HeapMedium
Practice

Use a hashmap to skip unnecessary value changes, then use a min-heap to process pending changes in priority order.

ArraysData StructuresAlgorithmsUber
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2
System Design6 questions · ~101 min
Promotions System DesignHard

Design an ML system that recommends discount promotions while maximizing expected profit under a fixed budget.

ML Rankingcoupon systemcost constraintsUber
Uber Eats Restaurant Recommendation SystemHard

Design an end-to-end Uber Eats restaurant recommendation system with personalized retrieval, ranking, serving, and evaluation.

ML RankingCold StartdesignUber
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3
Machine Learning7 questions · ~117 min
Describe an ML ProjectEasy

Walk through a past ML project with clear problem framing, modeling choices, evaluation, and measurable impact.

Cross-ValidationFeature EngineeringSupervised LearningUber
Calibration and Logistic RegressionEasy

Evaluates understanding of model calibration and probabilistic interpretation in classification.

CalibrationUber
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4
Behavioral & Leadership3 questions · ~50 min
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5
More topics2 questions · ~34 min
Build CDF From PDFMedium

Tests statistical reasoning and correct transformation from PDF to CDF.

Uber
CDF From PDFMedium

Evaluates understanding of probability distributions and transforming PDFs to CDFs.

Uber
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