Top 41
Prep plan
Updated weekly · Last refresh Oct 17

Highmark Health Software Engineer Interview Questions

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

41questions
~6htotal time
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1
SQL & Data ManipulationStart here. 6 questions + 2 drills · ~71 min
Understanding Database Indexing PurposeMedium

Explain the purpose of using indexes in databases and their impact on query performance.

Highmark Health
SQL Query OptimizationMedium
Practice

Optimize a slow PostgreSQL query that aggregates completed transactions while preserving customers with no matching activity.

Performance Tuningdatabase optimizationindexesHighmark Health
SQL and Oracle KnowledgeMedium

Tests SQL and Oracle fundamentals for data access and manipulation.

sqlHighmark Health
Join Claims and ProvidersEasy
Practice
Practice drill

Join Highmark Health member, claim, and provider data to count 2025 paid claims by provider specialty.

JoinsGroup ByAggregationsHighmark Health
Top Members by State ClaimsEasy
Practice
Practice drill

Rank Highmark Health members by total claims amount within each state using aggregation and ROW_NUMBER().

Window FunctionsRankingAggregationsHighmark Health
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2
Coding7 questions · ~59 min
Method Overloading vs OverridingEasy

Compare method overloading and method overriding in object-oriented programming, including binding, inheritance, and polymorphism.

javaabstractionoopHighmark Health
Abstract Classes vs InterfacesEasy

Compare Java abstract classes and interfaces, including inheritance rules, shared behavior, and when each is the better design choice.

javaabstractionoopHighmark Health
Java Access ModifiersMedium

Evaluates your understanding of Java access control and encapsulation.

javaHighmark Health
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3
Behavioral & Leadership26 questions · ~221 min
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4
More topics2 questions · ~17 min
Database Testing and ETLMedium

Assesses practical testing and data pipeline skills for reliable data movement.

ETLHighmark Health
Network Security FundamentalsMedium

Tests security and infrastructure knowledge relevant to protecting Highmark Health systems.

NetworkingHighmark Health
The finish line: interview-readyComplete all 41 questions plus 2 hands-on drills to finish this plan.