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Berkshire Hathaway Homestate Companies Software Engineer Interview Questions

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

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1
SQL & Data ManipulationStart here. 8 questions · ~75 min
Second Highest Without AggregatesHard
Practice

Find the second highest salary in each department without using aggregate functions.

SubqueriesRankingSelf-JoinsBerkshire Hathaway Homestate Companies
Second Highest Trader SalaryEasy
Practice

Find the second highest distinct salary from a single table using basic PostgreSQL ordering and limiting.

SubqueriesRankingSortingBerkshire Hathaway Homestate Companies
Clustered vs Non-Clustered IndexesMedium

Explain how clustered and non-clustered indexes differ in storage, lookup behavior, and query performance.

JoinsData WranglingBerkshire Hathaway Homestate Companies
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2
Coding17 questions · ~160 min
Interface vs Abstract ClassEasy

Explain how interfaces and abstract classes differ in purpose, inheritance model, and implementation sharing.

ArraysStringsBerkshire Hathaway Homestate Companies
Liskov Substitution PrincipleMedium

Tests understanding of behavioral subtyping and safe inheritance design.

ArraysGreedyBerkshire Hathaway Homestate Companies
Conditional Logic ConclusionEasy

Tests logical reasoning with strict rules and constraints.

MathGreedyBerkshire Hathaway Homestate Companies
ACID Properties in Distributed SystemsHard

Tests ability to reason about transactional guarantees under distribution and failures.

ArraysGreedyBerkshire Hathaway Homestate Companies
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3
Behavioral & Leadership3 questions · ~28 min
Following Up After No ResponseEasy

Assesses your persistence, communication, and professionalism under uncertainty.

follow-upCommunicationBerkshire Hathaway Homestate Companies
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