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Prep plan
Updated weekly · Last refresh Oct 17

ICF Software Engineer Interview Questions

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

50questions
~7htotal time
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1
ExecutionStart here. 6 questions · ~49 min
2
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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3
Coding6 questions · ~49 min
Java Spring Hibernate and ThreadsMedium

Assesses your core backend fundamentals and concurrency understanding.

javaICF
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4
Technical Fundamentals6 questions · ~49 min
Appian Expression Rules and InterfacesMedium

Tests Appian-specific development knowledge and your ability to design maintainable interfaces.

backgroundCommunicationtechnical experienceICF
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5
Behavioral & Leadership24 questions · ~196 min
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6
More topics4 questions · ~33 min
Aggregate File Sizes by ExtensionMedium

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

aggregationICF
Secure API Authentication FlowMedium

Evaluates authentication flow design and security considerations for API access.

authenticationarchitectureapi securityICF
Secure MuleSoft API IntegrationHard

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

InfrastructureAPIsQualityICF
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.