Long Wave Software Engineer Interview Questions

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

Disagreeing on a Technical Direction

Medium

Tests conflict resolution and influence during technical disagreement, including how you challenge decisions and commit after alignment.

Influence Without AuthorityConflict Resolutionteamwork

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Explaining Technical Issues to Executives

Easy

Tests communication and influence: can you translate technical complexity into business decisions, align stakeholders, and drive action?

Influence Without AuthorityStakeholder ManagementCommunication

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Object-Oriented vs Functional Programming

Easy

Compare object-oriented and functional programming in terms of state, abstraction, side effects, and design tradeoffs.

LanguagestechnicalProgramming

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Recursion and Its Risks

Medium

Tests your fundamentals of recursion and your ability to anticipate issues like stack overflows.

Recursionabstractionfunctions

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Cache Design for High Traffic

Hard

Tests your ability to design caching strategies with correctness, performance, and failure handling.

Hash TablesLinked ListsHeap

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Optimizing Slow Database Queries

Medium

Tests your approach to diagnosing and improving SQL performance under real constraints.

SubqueriesJoinsperformance

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