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Transport for London Software Engineer Interview Questions

The questions to prepare for a Transport for London Software Engineer interview. Questions from real interview reports rank first. Updated weekly.

50questions
~7htotal time
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1
CodingStart here. 5 questions · ~42 min
Implement a Basic Hash TableEasy
Practice

Implement a collision-resolving hash table for TfL stop data using separate chaining, updates, lookups, and deletion.

Data StructuresTransport for London
Coding Challenge With Test CasesHard

Assesses resilience, learning from feedback, and how you handle rejection in technical evaluations.

coding challengeTransport for London
HTTP Response TypesEasy

Assesses your foundational web knowledge relevant to building software systems.

httpTransport for London
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2
Execution3 questions · ~25 min
Tackling Difficult Challenge ScenarioMedium

Assesses structured thinking, prioritization, and decision-making under scenario-based pressure.

Transport for London
Planning and Prioritising TasksMedium

Evaluates your approach to workload management and execution planning.

task managementPrioritizationTransport for London
Handling Underground DelaysMedium

Assesses your ability to respond to operational incidents affecting Transport for London customers.

Problem SolvingTransport for London

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3
Behavioral & Leadership40 questions · ~334 min
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4
More topics2 questions · ~17 min
Electric Vehicle Charging Design TradeoffsHard

Evaluates system design tradeoffs across real-world deployment contexts.

electric vehiclesTransport for London
5G and Safety/Accessibility in the UndergroundHard

Evaluates system design thinking with safety and accessibility constraints for TfL.

Transport for London
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