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Updated weekly · Last refresh Sep 11

NIH Software Engineer Interview Questions

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

29questions
~4htotal time
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1
ExecutionStart here. 4 questions · ~33 min
Prioritize Across Multiple ProjectsEasy

Explain how you prioritize work across multiple operational projects with competing deadlines, impact, and stakeholder pressure.

RoadmappingScope ManagementPrioritizationNIH
Diagnose and Resolve Level 3 IssuesMedium

Tests incident triage, investigation, and resolution practices under real production constraints.

customer supportDiagnosisNIH
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2
Coding6 questions · ~49 min
App Design With JavaScriptMedium

Evaluates coding ability and practical implementation skills in JavaScript.

javascriptNIH
Metagenomics Read CategorizationHard

Evaluates data-structure selection for high-volume bioinformatics workflows.

Data StructuresNIH
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3
System Design4 questions · ~33 min
State Management in ApplicationsMedium

Tests system design judgment around state, consistency, and maintainability in software.

state managementtechnical experienceNIH
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4
Behavioral & Leadership11 questions · ~90 min
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5
More topics4 questions · ~33 min
Arc Flash Study and ReportingHard

Evaluates experience with safety-focused technical analysis and documentation.

reportingNIH
Database Design for Data PointsMedium

Assesses database modeling skills and ability to translate requirements into schema.

database designData ModelingNIH
Hardware Problem SolvingMedium

Assesses troubleshooting approach for hardware-related issues.

HardwareTroubleshootingNIH
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Mitigate Data Skew in JoinsHard
Practice
Practice drill

Detect a heavily skewed join key and produce a deterministically salted join result for more balanced large-scale processing.

database optimizationlarge datasetsJoinsDatabricks
SQL and Tableau UsageMedium
Practice
Practice drill

Summarize each analyst's SQL activity and Tableau asset usage with joins, aggregations, and CASE classification.

analytics toolsexperienceJoinsDatadog
Nth Salary SQLMedium
Practice
Practice drill

Use ranking to return the nth distinct salary from an employee table.

system designnull handlingsqlAkamai
The finish line: interview-readyComplete all 29 questions plus 3 hands-on drills to finish this plan.