Top 31
Prep plan
Updated weekly · Last refresh Aug 30

Berkshire Hathaway Software Engineer Interview Questions

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

31questions
~5htotal time
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1
CodingStart here. 6 questions · ~55 min
Linked List ReversalEasy
Practice

Reverse a singly linked list in-place using iterative pointer manipulation.

RecursionLinked ListsArraysBerkshire Hathaway
Two Sum ProblemEasy
Practice

Find two indices in an array whose values add up to a target using a hash map.

Hash TablesArraysTwo PointersBerkshire Hathaway
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2
Execution10 questions · ~92 min
Discuss Cloud Infrastructure ExecutionEasy

Explain your cloud technology experience through execution choices, risk management, trade-offs, and measurable outcomes.

InfrastructureTrade-offsBerkshire Hathaway
Improve System Performance and ReliabilityEasy

Explain how you would optimize a system for performance, reliability, and user experience while making clear trade-offs and defining success.

Trade-offsSuccess CriteriaRisk AssessmentBerkshire Hathaway
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3
Behavioral & Leadership11 questions · ~101 min
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4
More topics4 questions · ~37 min
Design Database SchemaMedium

Tests your data modeling judgment around performance, integrity, and future change.

Data ModelingQualityBerkshire Hathaway
Cloud Architecture UnderstandingMedium

Tests your grasp of core cloud concepts like services, deployment, and operational concerns.

InfrastructureFeature StoreBerkshire Hathaway
Cross Apply OperatorMedium

Assesses your practical SQL knowledge for joining and transforming data with APPLY.

sqlBerkshire Hathaway
Cloud Architecture UnderstandingHard

Tests ability to design and reason about cloud system architecture for Berkshire Hathaway Real Estate.

architectureCloudBerkshire Hathaway
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
The finish line: interview-readyComplete all 31 questions plus 3 hands-on drills to finish this plan.