Top 47
Prep plan
Updated weekly · Last refresh Oct 17

Optum Technology Software Engineer Interview Questions

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

47questions
~7htotal time
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1
Security & InfrastructureStart here. 4 questions · ~34 min
Troubleshooting a Memory LeakHard

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

memory managementmemory leakDebuggingOptum Technology
Meaning of HTTP 502Medium

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

NetworkinghttpDebuggingOptum Technology
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2
Coding4 questions · ~34 min
Two Sum with TargetEasy
Practice

Use a hash map to find two array elements that sum to a target in O(n) time.

Hash TablesArraysStringsOptum Technology
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3
Execution3 questions · ~25 min
Design Secure REST APIsMedium

Assesses your API design judgment with attention to security and scalability.

rest apisscalabilitySecurityOptum Technology
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4
Behavioral & Leadership31 questions · ~262 min
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5
More topics5 questions · ~42 min
System Design for SpreadsheetHard

Evaluates your system design skills for a collaborative, scalable web application.

Optum Technology
CI/CD and DevOps WorkflowMedium

Assesses your DevOps fundamentals and ability to operationalize CI/CD.

CI/CDDevOpsAutomationOptum Technology
SQL vs NoSQL TradeoffsMedium

Evaluates your data modeling tradeoffs and ability to choose the right storage approach.

Trade-offstechnical experienceOptum Technology
COALESCE in SQL ServerMedium

Tests your SQL knowledge and ability to explain null-handling behavior.

sqlOptum Technology
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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 47 questions plus 3 hands-on drills to finish this plan.