Top 32
Prep plan
Updated weekly · Last refresh Oct 17

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 daily.

32questions
~4htotal time
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1
Security & InfrastructureStart here. 4 questions · ~32 min
Troubleshooting a Memory LeakHard

Diagnose a memory leak using OS telemetry, heap profiling, controlled reproduction, and safe production mitigation.

memory managementmemory leakDebuggingOptum Tech
Meaning of HTTP 502Medium

Explain HTTP 502 Bad Gateway responses and identify whether the proxy, upstream service, or network path is failing.

NetworkinghttpDebuggingOptum Tech
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2
Coding3 questions · ~24 min
React UI Coding ExerciseMedium

Evaluates your ability to implement UI features using React.

reactOptum Tech
Performance Optimization ExampleMedium

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

performanceefficiencyOptum Tech
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3
Execution3 questions · ~24 min
Code Quality in TeamsMedium

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

code qualitymaintainabilitycollaborationOptum Tech
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4
Behavioral & Leadership18 questions · ~145 min
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5
More topics4 questions · ~32 min
Design a Web SpreadsheetHard

Evaluates system design skills for a complex, interactive web application.

Optum Tech
SQL COALESCE OperatorMedium

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

sqlOptum Tech
Optimizing a Slow Database QueryMedium

Tests your query tuning skills, performance diagnosis, and data access optimization.

database optimizationsql performancetechnical discussionOptum 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 32 questions plus 3 hands-on drills to finish this plan.