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Prep plan
Updated weekly · Last refresh Aug 30

Instacart Machine Learning Engineer Interview Questions

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

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1
CodingStart here. 3 questions · ~26 min
Efficient Transaction AggregationEasy
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Recently asked

Aggregate Instacart order revenue, order counts, and unique customers by store using hash maps and sets in one pass.

Data ManipulationpythonInstacart
Two Leetcode Problems With ComplexityMedium

Assesses problem-solving, implementation quality, and rigorous complexity analysis.

leetcodeInstacart
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2
System Design5 questions · ~43 min
Feature Store for Offline and OnlineHard
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Evaluates ability to design feature infrastructure for consistent training and serving.

Feature StoreInstacart
Edge Sensor Data FusionHard
Recently asked

Tests ability to design edge ML data pipelines under strict bandwidth and latency limits.

Instacart
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3
Machine Learning8 questions · ~69 min
Cold-Start for RankingMedium
Recently asked

Evaluates strategies for handling cold-start in production recommendation systems.

Recommendation SystemsInstacart
Tuning for Sparse CategoricalsMedium
Recently asked

Assesses practical ML tuning and regularization for sparse high-cardinality features.

Hyperparameter TuningInstacart
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4
Behavioral & Leadership8 questions · ~69 min
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5
More topics2 questions · ~17 min
Low-Latency Streaming PipelineHard
Recently asked

Tests skill in performance optimization for streaming data pipelines.

data pipelineoptimizationInstacart
Balancing Multi-Objective MetricsHard
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Tests ability to choose and balance metrics for multi-objective ranking.

evaluation metricsInstacart
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