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Updated weekly · Last refresh Aug 30

CHS Software Engineer Interview Questions

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

29questions
~4htotal time
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1
CodingStart here. 4 questions · ~33 min
BFS vs DFS Traversal ChoiceMedium

Compare BFS and DFS for graph traversal, including when shortest-path guarantees make BFS strictly preferable.

dfsbfstraversalCHS
Optimizing Sorting for Large DatasetsMedium

Explain how to choose and optimize sorting approaches for large datasets based on memory, data distribution, and stability requirements.

ArraysSortingGreedyCHS
Programming Languages and UsageEasy

Tests breadth of language proficiency and practical experience applying languages to deliver software.

Hash TablesArraysStringsCHS
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2
Execution8 questions · ~65 min
Reliability and Scalability ApproachMedium

Tests engineering practices for resilience, scaling, and maintaining service quality.

Rollback PlanSuccess CriteriaRisk AssessmentCHS
Software Development Lifecycle RoleEasy

Tests understanding of SDLC ownership and how you deliver software end to end.

RoadmappingRisk AssessmentScope ManagementCHS
Testing PrinciplesEasy

Tests understanding of testing strategy, coverage, and quality practices.

Success CriteriaRisk AssessmentQualityCHS
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3
Behavioral & Leadership15 questions · ~122 min
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4
More topics2 questions · ~16 min
Database Performance OptimizationMedium

Tests database knowledge and ability to improve query and system performance.

JoinsData WranglingAggregationsCHS
Warehouse Inventory System DesignMedium

Tests system design skills for inventory workflows, data modeling, and operational constraints.

Feature StoreModel ServingRecommendation SystemsCHS

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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Top Customers by Net SalesMedium
Practice
Practice drill

Compute top 10 customers by net sales using joins and aggregations, ordering by revenue with deterministic tie-breaking.

SubqueriesJoinsData WranglingGain DigitalTCSZest AI
Monthly Sales Trends by CategoryMedium
Practice
Practice drill

Aggregate monthly sales by product category and use LAG to calculate month-over-month changes.

InfrastructureToolsData WranglingTotal Wine & MoreInc.Benjamin Moore
Monthly Campaign Performance SummaryEasy
Practice
Practice drill

Aggregate January 2024 campaign data by channel using GROUP BY, filtering, and ordering by total clicks.

JoinsData WranglingAggregationsDNVEversanaDiscord
The finish line: interview-readyComplete all 29 questions plus 3 hands-on drills to finish this plan.