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Updated weekly · Last refresh Oct 17

Deepmind Research Scientist Interview Questions

The questions to prepare for a Deepmind Research Scientist interview. Questions from real interview reports rank first. Updated daily.

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1
CodingStart here. 5 questions · ~42 min
Compute Pi with RNGMedium
Practice

Estimate pi with a reproducible Monte Carlo sampler and stop when a confidence interval reaches the requested error tolerance.

ProgrammingDeepmind
Code Improvement TaskMedium

Tests debugging, optimization thinking, and code-level communication.

Deepmind
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2
Machine Learning13 questions · ~110 min
Prevent Overfitting in ML ModelsEasy

Explain how to reduce overfitting using regularization, validation, and model selection.

Cross-ValidationBias-Variance TradeoffRegularizationDeepmind
Handling Missing Values in MLEasy

Explain practical strategies for handling missing values in a supervised learning workflow, from diagnosis to modeling and validation.

Cross-ValidationFeature EngineeringRegularizationDeepmind
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3
Statistics & Probability11 questions · ~93 min
Central Limit TheoremEasy

Tests understanding of sampling distributions and why they become normal.

DistributionsCentral Limit TheoremExpected ValueDeepmind
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4
System Design3 questions · ~25 min
Scaling ML Models to ProductionHard

Tests your ability to plan for reliability, latency, cost, and monitoring in production ML.

Feature StoreFeature DriftModel ServingDeepmind
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5
Behavioral & Leadership14 questions · ~118 min
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6
More topics3 questions · ~25 min
Model Performance EvaluationHard

Explain how to select metrics, validate predictions, and analyze errors when evaluating a machine learning model.

model performanceevaluation metricsPrecisionDeepmind
Transformers for LLMsMedium

Assesses understanding of transformer architectures and how they power LLMs.

transformersDeepmind
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