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Prep plan
Updated weekly · Last refresh Sep 12

Barclays GenAI Engineer Interview Questions

The questions to prepare for a Barclays GenAI Engineer interview. Questions from real interview reports rank first. Updated daily.

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~3htotal time
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1
Machine LearningStart here. 5 questions · ~51 min
How GANs Learn DistributionsMedium

Explain the generator discriminator setup, adversarial loss, and training dynamics behind GANs.

Neural NetworksDeep LearningGradient DescentBarclays
Handling Outliers, Noise, and BiasMedium

Explain how to detect and handle outliers, noisy labels, and dataset bias while preserving model quality and generalization.

Cross-ValidationBias-Variance TradeoffRegularizationBarclays
Stock Price Forecasting ApproachHard

Build a stock price forecasting pipeline using time series validation, careful feature engineering, and realistic error metrics.

Feature EngineeringSupervised LearningBarclays
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2
Behavioral & Leadership7 questions · ~71 min
Solving With Sparse SignalsMedium

Tests decision-making under ambiguity: how you structure a problem, manage risk, and act responsibly when data is incomplete.

OwnershipDealing With AmbiguityPrioritizationBarclays
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3
More topics4 questions · ~41 min
Merge Duplicate Dataset RecordsEasy
Practice

Sort records by id and merge duplicates by summing values and keeping the latest timestamp.

Hash TablesArraysSortingBarclays
Ethics in Generative AI DeploymentMedium

Discuss the main ethical risks in deploying generative AI, including hallucination, misuse, privacy, and governance.

HallucinationPrompt InjectionLLM EvaluationBarclays
Implementing a Basic Neural NetworkHard
Practice

Implement a deterministic one-hidden-layer neural network with sigmoid activation and batch backpropagation for binary classification.

Neural NetworksArraysMatrixBarclays
Deploying AI in BankingMedium

Tests your ability to anticipate deployment risks and constraints for GenAI in a regulated banking environment.

HallucinationPrompt InjectionLLM EvaluationBarclays

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