Top 37
Prep plan
Updated weekly · Last refresh Aug 30

Booz Allen Hamilton Solutions Architect Interview Questions

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

37questions
~6htotal time
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1
CodingStart here. 3 questions · ~27 min
Find Two Sum IndicesEasy
Practice

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

Hash TablesArraysSortingBooz Allen Hamilton
Reverse a Linked ListEasy
Practice

Reverse a singly linked list in place using pointer manipulation.

RecursionLinked ListsBooz Allen Hamilton
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2
System Design8 questions · ~72 min
Design a Low-Latency Ranking ServiceMedium

Design a production ranking service that balances model accuracy with latency and throughput under large-scale traffic.

latencythroughputAccuracyBooz Allen Hamilton
Design Feature Drift Monitoring SystemHard

Design a production ranking system with robust feature drift monitoring across batch and real-time features at high QPS.

Feature StoreFeature DriftModel ServingBooz Allen Hamilton
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3
Pipelines5 questions · ~45 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 Hamilton
Idempotent Batch ETL PipelineHard

Tests data pipeline robustness, operational readiness, and correctness under reprocessing.

ETLBatch ProcessingIdempotencyBooz Allen Hamilton
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4
Behavioral & Leadership18 questions · ~162 min
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5
More topics3 questions · ~27 min
Prioritize Features for a New ProductMedium

A framework for deciding which features should ship first when building a new product.

Feature PrioritizationUser Needsproduct developmentBooz Allen Hamilton
Optimal Design vs ConstraintsMedium

Tests trade-off reasoning across performance, cost, schedule, and operational realities.

EstimationCompetitive AnalysisGo-to-MarketBooz Allen Hamilton
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The finish line: interview-readyComplete all 37 questions to finish this plan.