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Updated weekly · Last refresh Oct 17

ComEd Software Engineer Interview Questions

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

40questions
~5htotal time
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1
CodingStart here. 3 questions · ~24 min
Language Proficiency and Applied ImpactEasy

Explain which programming languages you know best, why, and how you used them to deliver maintainable and performant software.

Hash TablesStringsSortingComEd
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2
Execution4 questions · ~32 min
Prioritize Debt vs Feature DeliveryMedium

Explain how you would balance technical debt work against new feature delivery without losing roadmap credibility or increasing risk.

Trade-offsRoadmappingPrioritizationComEd
Testing Zero-Downtime UpdatesHard

Evaluates your strategy for validating high-risk releases without impacting production availability.

Risk ManagementTestingproductionComEd
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3
System Design5 questions · ~40 min
Debugging Production FailuresMedium

Assesses your troubleshooting approach for production incidents and performance issues.

performance optimizationDebuggingTroubleshootingComEd
Designing with Trade-OffsHard

Evaluates your systems thinking and ability to make informed architecture trade-offs.

Trade-offsarchitecturedesign decisionsComEd
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4
Behavioral & Leadership25 questions · ~201 min
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5
More topics3 questions · ~24 min
Integrating Legacy with Modern SystemsHard

Evaluates your approach to integrating legacy utility systems with modern software safely and incrementally.

legacy systemsintegrationCloudComEd
Experience With GitEasy

Tests proficiency with branching, merging, and collaborative source control workflows.

version controlgitComEd
Automating Grid Load Data PipelinesHard

Assesses your ability to design reliable data pipelines for large-scale utility grid load data.

data pipelinescalabilityAutomationComEd
The finish line: interview-readyComplete all 40 questions to finish this plan.