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Updated weekly · Last refresh Aug 30

Dollar General Software Engineer Interview Questions

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

21questions
~3htotal time
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1
CodingStart here. 3 questions · ~26 min
Reverse a String in PythonEasy
Practice

Reverse a string in Python using character traversal and return the reversed result.

StringsfunctionspythonDollar General
Debugging ApproachMedium

Tests systematic troubleshooting skills and ability to isolate root causes.

ArraysStringsDollar General
Java and Framework ExperienceEasy

Tests Java proficiency and practical experience using common frameworks.

Hash TablesStringsDollar General
2
Execution6 questions · ~53 min
Caching Layer for High TrafficHard

Tests caching strategy, consistency considerations, and performance tradeoffs.

Trade-offsSuccess CriteriaRisk AssessmentDollar General
Microservices ArchitectureHard

Tests microservices design tradeoffs, boundaries, and operational concerns.

InfrastructureTrade-offsRoadmappingDollar General
Developing a New FeatureMedium

Tests feature delivery process from requirements to implementation and validation.

Trade-offsRoadmappingScope ManagementDollar General
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3
Behavioral & Leadership11 questions · ~97 min
Learning New Technology Under DeadlineMedium

Tests learning agility under pressure, plus ownership and prioritization when rapid technical ramp-up is required.

initiativeadaptabilitycontinuous learningDollar General
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4
More topics1 question · ~9 min
MySQL Database ManagementEasy

Tests SQL and database fundamentals relevant to production systems.

JoinsData WranglingDollar General
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 21 questions plus 3 hands-on drills to finish this plan.