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Optumrx Interview Questions

The questions to prepare for Optumrx interviews, across all roles. Questions from real interview reports rank first. Updated daily.

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1
SQL & Data ManipulationStart here. 7 questions + 1 drill · ~70 min
SQL With Complex Joins and AggregationsHard
Practice

Combine OptumRx claims, prescriptions, pharmacies, and members to calculate utilization metrics with CTEs and window functions.

JoinsGroup ByAggregationsOptumrx
Total Prescriptions Per MemberMedium
Practice

Given a table of prescription transactions and a table of members, write a query to find the total prescriptions per member for the last 30 days. Return e...

Date FunctionsJoinsAggregationsOptumrx
Refactoring a Slow QueryMedium
Practice
Practice drill

Refactor a slow Candid Health claims query using pre-aggregation, latest-event logic, and monthly payer metrics.

Performance Tuningdatabase optimizationCTEsCandid Health
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2
Coding4 questions · ~34 min
Difference Between Interface and Abstract Class in JavaMedium

Explain the differences between interfaces and abstract classes in Java and when to use each.

Hash TablesArraysStringsOptumrx
Searchable List With Efficient UpdatesMedium

Tests your ability to build performant, user-responsive React components for data-heavy experiences.

reactArraysSearchingOptumrx
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3
Technical Fundamentals5 questions · ~43 min
Event Bubbling and CaptureMedium

Tests your knowledge of DOM event propagation and how you control event flow in UI code.

javascriptbasicsOptumrx
Optimize React Rendering PerformanceMedium

Tests your ability to diagnose and improve React performance in production-style UIs.

Performance Tuningreacttechnical experienceOptumrx
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4
Behavioral & Leadership30 questions · ~258 min
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5
More topics2 questions · ~17 min
State Management in Complex TreesMedium

Tests your approach to structuring state for maintainability and predictable UI behavior.

reactstate managementtechnical experienceOptumrx
Prioritizing Business ProblemsHard

Tests prioritization, decision-making, and communication when balancing competing business needs.

Problem SolvingPrioritizationOptumrx
The finish line: interview-readyComplete all 48 questions plus 1 hands-on drill to finish this plan.