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Updated weekly · Last refresh Aug 30

Parsons Solutions Architect Interview Questions

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

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1
CodingStart here. 3 questions · ~32 min
Implement LRU CacheEasy
Practice

Problem Design a data structure that implements an LRU (Least Recently Used) cache. The cache should support the following operations: - get(key): Retrieve...

Hash TablesQueueLinked ListsParsons
Find Two Sum IndicesEasy
Practice

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

Hash TablesArraysSortingParsons
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2
Pipelines7 questions · ~74 min
Secure DevOps Data PipelinesMedium

Approach for embedding security controls into data pipeline delivery, orchestration, and operations.

InfrastructureOrchestrationQualityParsons
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3
System Design7 questions · ~74 min
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 ServingParsons
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4
Behavioral & Leadership8 questions · ~84 min
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5
More topics5 questions · ~53 min
SQL Duplicate Records QueryEasy
Practice

Use GROUP BY and HAVING to identify duplicated Grail assay sample identifiers and their record counts.

Group ByHavingAggregationsParsons
Architect for New Business RequirementsMedium

Tests requirements translation into architecture, tradeoffs, and delivery alignment.

User NeedsValue PropositionUse CasesParsons
Guide Data Migration StrategyMedium

Tests consulting approach to migration planning, risk management, and stakeholder alignment.

EstimationCompetitive AnalysisGo-to-MarketParsons
Analyze Customer Purchase Trends with Window FunctionsEasy
Practice

Calculate the monthly spending trends for customers using window functions and joins.

Parsons
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Hands-on SQL practiceWrite and run real queries in the editor. 1 drill · ~10 min
The finish line: interview-readyComplete all 30 questions plus 1 hands-on drill to finish this plan.