Top 50
Prep plan
Updated weekly · Last refresh Oct 17

Gilead Sciences Software Engineer Interview Questions

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

50questions
~7htotal time
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1
CodingStart here. 3 questions · ~26 min
Find Two Sum IndicesEasy
Practice

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

Hash TablesArraysSortingGilead Sciences
Reverse a Linked ListEasy
Practice

Reverse a singly linked list in place using pointer manipulation.

RecursionLinked ListsGilead Sciences
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2
System Design8 questions · ~69 min
Scalability in Software DesignMedium

Tests ability to design for growth using appropriate patterns, resources, and performance considerations.

system designscalabilityarchitectureGilead Sciences
Design a Cache SystemHard

Tests system design tradeoffs around latency, eviction, consistency, and data structures.

system designperformance optimizationcachingGilead Sciences
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3
Technical Fundamentals7 questions · ~61 min
SDLC in Regulated EnvironmentsMedium

Tests understanding of SDLC phases and how they support quality and compliance in regulated settings.

regulatory compliancesdlcGilead Sciences
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4
Software Architecture3 questions · ~26 min
Ensuring Data IntegrityMedium

Tests understanding of validation, consistency controls, and integrity safeguards in production systems.

best practicesdata integrityGilead Sciences
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5
Execution4 questions · ~35 min
Problem-Solving Under AmbiguityMedium

Tests your approach to uncertainty, scoping, and iterative analysis when requirements are unclear.

Trade-offsRisk AssessmentScope ManagementGilead Sciences
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6
Behavioral & Leadership24 questions · ~208 min
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7
More topics1 question · ~9 min
Database Management Systems ExperienceMedium

Tests practical understanding of data storage, querying, and operational considerations.

database managementsqlGilead Sciences
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.