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EDF Software Engineer Interview Questions

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

50questions
~7htotal time
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1
CodingStart here. 9 questions · ~74 min
Systematic Debugging for Complex BugsEasy

Explain a structured debugging approach: reproduce, isolate, inspect signals, test hypotheses, and verify the fix.

Hash TablesSearchingEDF
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 TablesStringsSortingEDF
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2
Pipelines3 questions · ~25 min
Testing and CI for PipelinesEasy

Explain how you apply automated testing and CI practices to data pipelines and pipeline releases.

InfrastructureToolsQualityEDF
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3
Execution9 questions · ~74 min
Expectations for the RoleEasy

Tests alignment of expectations with the Business Analyst role at AXA XL Insurance.

Trade-offsSuccess CriteriaRisk AssessmentEDF
Gather Requirements for a ProjectEasy

Tests your requirements discovery process and ability to align stakeholders on scope and success criteria.

Stakeholder ManagementRoadmappingScope ManagementEDF
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4
Security & Infrastructure9 questions · ~74 min
Energy Management Software ConsiderationsMedium

Tests understanding of requirements, reliability, and constraints for EDF energy management software.

cloud architecturearchitectureEDF
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5
System Design3 questions · ~25 min
Design for Energy EfficiencyHard

Tests system design skills for improving energy efficiency in EDF grid-scale and storage environments.

system designarchitectureEDF
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6
Behavioral & Leadership16 questions · ~131 min
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7
More topics1 question · ~8 min
Client vs ServerEasy

Tests understanding of client-server architecture fundamentals.

Networkingtechnical fundamentalsEDF
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Monthly Sales Trends by CategoryMedium
Practice
Practice drill

Aggregate monthly sales by product category and use LAG to calculate month-over-month changes.

InfrastructureToolsData WranglingTotal Wine & MoreInc.Benjamin Moore
Resolve Conflicting Customer AttributesMedium
Practice
Practice drill

Use joins, CTEs, and row ranking to resolve conflicting customer profile values across ACME House systems.

JoinsData WranglingQualityRamsey SolutionsACME House
Clean Inconsistent Expense EntriesHard
Practice
Practice drill

Clean inconsistent expense records with CTEs, joins, CASE logic, and aggregation to summarize valid spend by department.

Data WranglingAggregationsQualityUniversity of Colorado Denver
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.