Dataford
Top 50
Prep plan
Updated weekly · Last refresh Aug 30

Duke Energy Software Engineer Interview Questions

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

50questions
~7htotal time
Track your progressSign up free to work through all 50 questions and resume where you left off.
Start practicing free →
1
CodingStart here. 5 questions · ~44 min
Sorting an Array With ComplexityEasy
Practice

Sort outage priority values in ascending order using merge sort and explain the algorithm's time and space complexity.

MathArraysSortingDuke Energy
Longest Unique Substring in EnoMedium
Practice

Use a sliding window and hash map to find the longest substring without repeated characters in a string.

Hash TablesStringsTwo PointersDuke Energy
Compare Stack and Queue OperationsEasy

Explain how stacks and queues differ in ordering, operations, implementations, and common use cases.

StackQueueArraysDuke Energy
More Coding questions with a free account
2
Execution5 questions · ~44 min
Real-Time Smart Meter DataHard

Evaluates your architecture skills for real-time ingestion, processing, and reliability at scale.

Trade-offsRoadmappingRisk AssessmentDuke Energy
Designing a Database SchemaMedium

Evaluates your database modeling skills for performance, integrity, and long-term scalability.

Trade-offsRisk AssessmentScope ManagementDuke Energy
Code Quality and MaintainabilityMedium

Tests engineering practices like testing, reviews, standards, and refactoring discipline.

best practicescode qualitymaintainabilityDuke Energy
Building a Scalable APIMedium

Assesses your system design approach for scalability, reliability, and maintainability.

Trade-offsRisk AssessmentScope ManagementDuke Energy
More Execution questions with a free account

Sign up to see every question

Create a free account to unlock this list and practice real interview questions.

Get my prep plan
3
Behavioral & Leadership40 questions · ~349 min
Explaining Technical Issues to ExecutivesEasy

Tests communication and influence: can you translate technical complexity into business decisions, align stakeholders, and drive action?

Influence Without AuthorityStakeholder ManagementCommunicationDuke Energy
More Behavioral & Leadership questions with a free account
The finish line: interview-readyComplete all 50 questions to finish this plan.