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ICF Software Engineer Interview Questions

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

50questions
~7htotal time
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1
CodingStart here. 8 questions · ~65 min
PDI Script WalkthroughMedium

Tests your ability to read and reason about PDI scripts and their data flow impact.

abstractionfunctionsICF
ServiceNow Script Include UsageMedium

Tests ServiceNow development skills and understanding of execution contexts.

javaabstractionfunctionsICF
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2
Execution5 questions · ~41 min
Tell Me About Your BackgroundEasy

Tests your ability to summarize relevant experience and connect it to the Research Scientist role at Chemours.

Trade-offsSuccess CriteriaScope ManagementICF
SharePoint Designer WorkaroundsMedium

Assesses your ability to troubleshoot and work within legacy tooling constraints.

ICF
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3
Security & Infrastructure4 questions · ~33 min
Servlet Path vs Resource TypeMedium

Evaluates your understanding of servlet registration and routing behavior.

ICF
AHREA and VSD Speed CalculationsMedium

Evaluates your ability to explain and compute domain-specific engineering metrics.

calculationsICF
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4
Behavioral & Leadership30 questions · ~245 min
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5
More topics3 questions · ~24 min
Secure MuleSoft API IntegrationHard

Tests API design, security, resilience patterns, and MuleSoft-specific implementation details.

InfrastructureAPIsQualityICF
Aggregate File Sizes by ExtensionMedium

Tests your ability to parse text data and aggregate values correctly.

aggregationICF
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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
SQL Queries for RankingMedium
Practice
Practice drill

Rank active HSBC employees by division and return every employee tied for the highest or second-highest salary.

javasqlHsbc
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
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.