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Updated weekly · Last refresh Oct 17

Institute for Defense Analyses Software Engineer Interview Questions

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

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1
CodingStart here. 6 questions · ~61 min
Implement Binary Search AlgorithmEasy
Practice

Write a binary search function to find a target value in a sorted array.

SearchingInstitute for Defense Analyses
Maximum Subarray SumEasy
Practice

Compute the largest sum of any contiguous subarray using Kadane's algorithm in O(n) time.

Dynamic ProgrammingArraysGreedyInstitute for Defense Analyses
Linked List ReversalEasy
Practice

Reverse a singly linked list in-place using iterative pointer manipulation.

RecursionLinked ListsArraysInstitute for Defense Analyses
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2
Execution6 questions · ~61 min
Design an API Under ConstraintsMedium

Design an API by balancing usability, performance, versioning, and operational risk under real product constraints.

Trade-offsRisk AssessmentScope ManagementInstitute for Defense Analyses
Scalable and Maintainable Solution ExecutionEasy

Explain how you plan for scalability and maintainability up front, including trade-offs, success criteria, and risk management.

InfrastructureTrade-offsRisk AssessmentInstitute for Defense Analyses
Choose Monolith or MicroservicesMedium

Evaluate the execution trade-offs between monoliths and microservices and explain how you would choose the right approach.

Trade-offsRisk AssessmentScope ManagementInstitute for Defense Analyses
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3
Behavioral & Leadership12 questions · ~121 min
Owning a Complex Cross-Functional ProgramMedium

Tests ownership of a complex project end-to-end, including prioritization, stakeholder management, and execution through ambiguity.

impactOwnershipproject deliveryInstitute for Defense Analyses
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4
More topics1 question · ~10 min
Real-Time Data Processing DesignHard

Tests architecture skills for low-latency pipelines, reliability, and scalability in defense analytics contexts.

InfrastructureStream ProcessingOrchestrationInstitute for Defense Analyses
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