Top 29
Prep plan
Updated weekly · Last refresh Oct 17

Booz Allen Solutions Architect Interview Questions

The questions to prepare for a Booz Allen Solutions Architect interview. Questions from real interview reports rank first. Updated daily.

29questions
~5htotal time
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1
CodingStart here. 5 questions · ~47 min
Two Sum with TargetEasy
Practice

Use a hash map to find two array elements that sum to a target in O(n) time.

Hash TablesArraysStringsBooz Allen
Linked List ReversalEasy
Practice

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

RecursionLinked ListsArraysBooz Allen
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2
Pipelines4 questions · ~38 min
Capacity Planning for Data PipelinesMedium

How to think about capacity planning for a pipeline, including throughput, storage growth, latency, and operational headroom.

system designhardware architecturecapacity planningBooz Allen
Batch ETL Pipeline with Quality ChecksMedium

Tests data engineering skills for reliability, correctness, and operational governance in pipelines.

ETLBatch ProcessingBackfillingBooz Allen
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3
System Design6 questions · ~56 min
End-to-End ML Recommendation SystemHard

Tests end-to-end ML system design including data flow, model serving, and operational monitoring.

ML RankingRetrievalRecommendation SystemsBooz Allen
Microservices vs MonolithMedium

Tests architectural judgment and ability to choose trade-offs for mission-critical systems.

Feature StoreModel ServingBooz Allen
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4
Behavioral & Leadership11 questions · ~103 min
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5
More topics3 questions · ~28 min
Feasibility Study MethodologyMedium

Tests structured thinking for assessing technical, operational, and business feasibility.

EstimationTAM/SAM/SOMMarket SizingBooz Allen
REST vs SOAP APIsMedium

Tests API design knowledge and ability to compare protocols in practical engineering contexts.

CommunicationOwnershipDealing With AmbiguityBooz Allen
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The finish line: interview-readyComplete all 29 questions to finish this plan.