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Updated weekly · Last refresh Aug 30

Franklin Energy Software Engineer Interview Questions

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

27questions
~4htotal time
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1
CodingStart here. 8 questions · ~75 min
Reverse String In PlaceEasy
Practice

Reverse a string using a two-pointer approach by converting it to a mutable character list in Python.

CodingStringsProgrammingFranklin Energy
Maximum Subarray SumEasy
Practice

Compute the largest sum of any contiguous subarray using Kadane's algorithm in O(n) time.

Dynamic ProgrammingArraysGreedyFranklin Energy
Programming Languages and RationaleEasy

Tests your technical fit and your ability to justify language choices based on constraints.

MathArraysStringsFranklin Energy
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2
Execution3 questions · ~28 min
Technical Background OverviewEasy

Tests your foundational analytics and technical readiness for the Marketing Analytics Specialist role.

RoadmappingScope ManagementFranklin Energy
Improving a Legacy SystemMedium

Tests your strategy for risk-managed modernization, testing, and incremental improvements.

Trade-offsRisk AssessmentScope ManagementFranklin Energy
Designing a New FeatureMedium

Tests your product thinking, requirements gathering, and ability to translate needs into a sound design.

Trade-offsSuccess CriteriaRoadmappingFranklin Energy
3
Behavioral & Leadership14 questions · ~131 min
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4
More topics2 questions · ~19 min
Troubleshooting a System FailureMedium

Tests your incident response approach, debugging discipline, and communication under pressure.

InfrastructureDependenciesQualityFranklin Energy
Optimize Database Query PerformanceMedium

Tests your query optimization approach and performance measurement skills.

JoinsData WranglingAggregationsFranklin Energy

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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
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
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 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 27 questions plus 3 hands-on drills to finish this plan.