Top 34
Prep plan
Updated weekly · Last refresh Aug 30

Optum Tech Software Engineer Interview Questions

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

34questions
~5htotal time
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1
ExecutionStart here. 3 questions · ~24 min
Debugging Production IssuesMedium

Evaluates your approach to diagnosing, validating, and resolving production incidents.

production issuesDebuggingOptum Tech
Code Quality in TeamsMedium

Assesses practices for writing maintainable code and collaborating effectively with teammates.

code qualitymaintainabilitycollaborationOptum Tech
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2
Coding4 questions · ~32 min
Logic Function and ComplexityHard

Tests problem-solving skills and your ability to reason about algorithmic complexity.

coding challengetime complexityOptum Tech
Performance Optimization ExampleMedium

Tests your ability to identify bottlenecks and improve performance with measurable results.

performanceefficiencyOptum Tech
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3
Security & Infrastructure4 questions · ~32 min
VRRP and /27 SubnetsMedium

Assesses networking fundamentals and high-availability concepts.

Optum Tech
Troubleshooting a Memory LeakHard

Tests your debugging approach for diagnosing memory issues in production systems.

memory leakTroubleshootingOptum Tech
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4
Behavioral & Leadership20 questions · ~161 min
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5
More topics3 questions · ~24 min
REST API Design for ScaleMedium

Assesses your ability to design REST APIs that perform reliably under high load.

api designsystem architectureOptum Tech
SQL COALESCE OperatorMedium

Tests understanding of SQL null-handling and query behavior in SQL Server.

sqlOptum Tech
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
The finish line: interview-readyComplete all 34 questions plus 3 hands-on drills to finish this plan.