Dataford
Dataford
Top 50
Prep plan
Updated weekly · Last refresh Oct 17

EDF Software Engineer Interview Questions

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

50questions
~7htotal time
Track your progressSign up free to work through all 50 questions and resume where you left off.
Start practicing free →
1
ExecutionStart here. 7 questions · ~57 min
Expectations for the RoleMedium

Explain how you clarify expectations, align stakeholders, and define successful project delivery.

Trade-offsSuccess CriteriaExecutionEDF
More Execution questions with a free account
2
Coding7 questions · ~57 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
More Coding questions with a free account

Sign up to see every question

Create a free account to unlock this list and practice real interview questions.

Get my prep plan
3
Pipelines3 questions · ~24 min
Testing and CI for PipelinesEasy

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

InfrastructureToolsQualityEDF
More Pipelines questions with a free account
4
Security & Infrastructure8 questions · ~65 min
Electrical Switchgear TypesMedium

Assesses knowledge of electrical infrastructure concepts relevant to power systems.

EDF
More Security & Infrastructure questions with a free account
5
Technical Fundamentals5 questions · ~41 min
Nuclear Power Plant BasicsMedium

Assesses your understanding of nuclear energy fundamentals relevant to EDF’s generation context.

technical knowledgeEDF
More Technical Fundamentals questions with a free account
6
System Design3 questions · ~24 min
Wind Turbine ComponentsMedium

Assesses foundational system knowledge of wind turbine components.

technical explanationEDF
More System Design questions with a free account
7
More topics17 questions · ~139 min
Client vs ServerEasy

Tests understanding of client-server architecture fundamentals.

Networkingtechnical fundamentalsEDF
More questions with a free account
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Identify Customers With Frequent OutagesMedium
Practice
Practice drill

Identify customers experiencing more than three grid outages in one billing month using joins, date matching, and aggregation.

Date FunctionsJoinsAggregationsEDF
Rolling 7-Day Average Per Smart MeterMedium
Practice
Practice drill

Calculate each EDF smart meter's rolling 7-day average energy consumption from daily readings.

Window FunctionsDate FunctionsData ManipulationEDF
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
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.