Dataford
Top 48
Prep plan
Updated weekly · Last refresh Aug 30

UnitedHealth Group Software Engineer Interview Questions

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

48questions
~8htotal time
Track your progressSign up free to work through all 48 questions and resume where you left off.
Start practicing free →
1
CodingStart here. 7 questions · ~66 min
Merge Two Sorted Linked ListsEasy
Practice

Merge two sorted singly linked lists into one sorted list by relinking existing nodes.

RecursionLinked ListsSortingUnitedHealth Group
Find Two Sum IndicesEasy
Practice

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

Hash TablesArraysSortingUnitedHealth Group
Reverse a Linked ListEasy
Practice

Reverse a singly linked list in place using pointer manipulation.

RecursionLinked ListsUnitedHealth Group
More Coding questions with a free account
2
Security & Infrastructure4 questions · ~38 min
Troubleshooting a Memory LeakHard

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

memory leakTroubleshootingUnitedHealth Group
SAML and OAuth BasicsMedium

Evaluates your foundational knowledge of authentication and authorization protocols.

UnitedHealth Group
More Security & Infrastructure questions with a free account
3
Behavioral & Leadership34 questions · ~322 min
More Behavioral & Leadership questions with a free account
4
More topics3 questions · ~28 min
High-Availability Pharmacy Data PlatformHard

Tests distributed system design, scalability, and security considerations for healthcare data flows.

system designFeature StoreRecommendation SystemsUnitedHealth Group
COALESCE in SQL ServerMedium

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

sqlUnitedHealth Group
System Design SpreadsheetMedium

Evaluates your system design approach for a collaborative, web-based data grid.

UnitedHealth Group

Sign up to see every question

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

Get my prep plan
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Top Models Per Asset ClassEasy
Practice
Practice drill

Rank Balyasny research models by average return within each asset class using DENSE_RANK and aggregation.

performancesqlBalyasny Asset Management
SQL Sort QueryEasy
Practice
Practice drill

Sort Thales Ground Master radar readings by signal strength in ascending order, placing unknown values last.

SortingsqlThales
Rank Top Service CategoriesEasy
Practice
Practice drill

Use RANK() and grouped revenue to find ServiceTitan's top three service categories in each region.

RankingperformancesqlServiceTitan
The finish line: interview-readyComplete all 48 questions plus 3 hands-on drills to finish this plan.