Top 11
Prep plan
Updated weekly · Last refresh Oct 17

Barclays Frontend Engineer Interview Questions

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

11questions
~2htotal time
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1
CodingStart here. 3 questions · ~26 min
Explaining BEM MethodologyEasy

Evaluates your ability to use maintainable CSS architecture with BEM.

cssBarclays
Networking Basics and JavaScriptEasy

Tests your understanding of networking concepts relevant to frontend development.

javascriptNetworkingBarclays
Optimizing React App PerformanceHard

Tests React performance optimization and bundling understanding for fast user experiences.

reactperformanceSecurityBarclays
2
Behavioral & Leadership6 questions · ~51 min
Performing Best in Team EnvironmentsEasy

Tests self-awareness about preferred work environments, plus adaptability and collaboration when ideal conditions are not present.

CommunicationOwnershipDealing With AmbiguityBarclays
Balancing Quality Against Delivery PressureMedium

Tests ownership and prioritization in managing code quality and technical debt without sacrificing delivery.

CommunicationOwnershipPrioritizationBarclays
Explaining Technical Trade-offs ClearlyMedium

Tests whether you can translate complex engineering trade-offs into clear business decisions for non-technical stakeholders.

technical communicationTrade-offsStakeholder ManagementBarclays
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3
More topics2 questions · ~17 min
Handling Variable Card HeightsMedium

Assesses your ability to design resilient React component structures and layouts.

reactBarclays
Sharing React Components Across AppsMedium

Evaluates your approach to building reusable frontend components and cross-app sharing.

reactBarclays

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