Latch Software Engineer Interview Questions

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

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CodingStart here. 8 questions · ~91 min

Longest Unique Substring in EnoMedium

Practice

Use a sliding window and hash map to find the longest substring without repeated characters in a string.

Hash TablesStringsTwo Pointers

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Linked List ReversalEasy

Practice

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

RecursionLinked ListsArrays

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Pattern Finding Multiple ChoiceMedium

Assesses your problem-solving approach for pattern recognition questions under time constraints.

pattern recognitionAlgorithms

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Prevent Race ConditionsMedium

Tests your understanding of concurrency hazards and practical mitigation techniques.

Hash TablesQueue

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Execution8 questions · ~91 min

Prioritize Features for New LaunchMedium

Explain how you would prioritize launch features when stakeholders want different things and the first release needs clear success criteria.

Trade-offsFeature PrioritizationRoadmapping

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Ensure Distributed Data ConsistencyHard

Define an execution approach for maintaining data consistency across distributed systems while balancing delivery speed, risk, and operational resilience.

InfrastructureTrade-offsRisk Assessment

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Debugging a Production IssueMedium

Tests your incident triage, debugging workflow, and ability to restore service safely.

Rollback PlanTrade-offsRisk Assessment

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Behavioral & Leadership5 questions · ~57 min

Adapting to a Sudden Priority ShiftEasy

Tests adaptability under changing conditions, with emphasis on ownership, reprioritization, and stakeholder communication.

CommunicationLeadershipDealing With Ambiguity

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