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Engie Impact Software Engineer Interview Questions

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

50questions
~7htotal time
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1
ExecutionStart here. 5 questions · ~41 min
Integrating Renewable Energy DataHard

Tests your system thinking for ingesting and unifying heterogeneous energy data streams.

data integrationsystem designEngie Impact
Testing for Mission-Critical AppsMedium

Tests your approach to quality, risk reduction, and confidence in production-critical systems.

testing strategyEngie Impact
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2
SQL & Data Manipulation3 questions + 3 drills · ~54 min
Optimizing a Slow SQL QueryHard

Tests your SQL performance troubleshooting skills and practical optimization techniques.

data managementEngie Impact
Top Customers Per Region SQLMedium
Practice
Practice drill

Use monthly aggregation and ROW_NUMBER to find the top three Engie Impact customers by energy consumption in each region.

Window FunctionsRankingGroup ByEngie Impact
Write Rolling Average SQLMedium
Practice
Practice drill

Calculate each customer's 7-day rolling average energy usage using daily aggregation and a PostgreSQL window frame.

Window FunctionsDate FunctionsRunning TotalsEngie Impact
Get Duplicate Emails QueryMedium
Practice
Practice drill

Find duplicate active client emails using a PostgreSQL CTE, JOIN, normalization, GROUP BY, and HAVING.

queriesdata managementIon Group
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3
Security & Infrastructure3 questions · ~24 min
GNV Station Key PartsMedium

Evaluates domain knowledge of energy infrastructure components.

Engie Impact
Renewables and Storage KnowledgeMedium

Evaluates domain understanding of renewable generation and energy storage concepts.

Engie Impact
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4
Coding8 questions · ~65 min
Palindrome Coding ChallengeEasy

Tests your ability to implement and reason about a basic algorithmic problem.

string manipulationEngie Impact
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5
Behavioral & Leadership28 questions · ~227 min
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6
More topics3 questions · ~24 min
Handling Bad Data in PipelinesMedium

Tests your data quality practices, validation, and resilience in production data pipelines.

Data Qualityerror handlingEngie Impact
High-Frequency Meter IngestionHard

Tests your ability to design reliable, scalable ingestion architectures for real-time energy data.

system designdata ingestionEngie Impact
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