Top 40

Prep plan

Updated weekly · Last refresh Oct 17

Guesty Software Engineer Interview Questions

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

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CodingStart here. 7 questions · ~66 min

API Rate LimitingHard

Practice

Implement per-client and global API rate limits using timestamp-sorted sliding windows and queues.

Hash TablesQueueMath

Guesty

Linked List CodingEasy

Assesses your fundamentals in implementing and reasoning about linked list operations.

leetcode

Guesty

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SQL & Data Manipulation4 questions + 3 drills · ~68 min

Optimizing Slow Database QueriesMedium

Tests your ability to diagnose and optimize database performance under load.

Performance Tuningdatabase optimization

Guesty

Distributed Database TransactionsMedium

Tests your understanding of distributed transaction patterns and failure modes.

distributed systemsdata consistency

Guesty

Optimizing Window Functions at ScaleHard

Practice

Practice drill

Optimize a PostgreSQL window query by reducing rows before cumulative account-level transaction calculations.

Window Functionsdatabase optimizationlarge datasets

Plaid

Optimizing Poorly Performing SQLHard

Practice

Practice drill

Optimize a PostgreSQL reporting query by reducing scanned rows, preserving unmatched records, and selecting the latest related review efficiently.

database optimizationlarge datasetsperformancePPriority Technology Holdings, LLC

Zillow

One

Optimize SQL QueriesMedium

Practice

Practice drill

Optimize a PostgreSQL aggregation query by filtering early, reducing rows before joins, and returning qualifying active customers.

database optimizationperformanceindexes

SofteamSSoftware Medical Informatics

Glassdoor

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System Design11 questions · ~104 min

Scalable Booking Data ProcessingMedium

Tests your ability to design scalable data processing for high-volume booking workflows.

system architecturescalability

Guesty

High-Concurrency Booking RequestsHard

Tests your system design skills for scaling booking traffic and maintaining correctness.

booking systemsystem architecture

Guesty

REST vs GraphQL Trade-OffsMedium

Tests your API design reasoning and ability to choose the right interface for product needs.

restapi design

Guesty

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Behavioral & Leadership17 questions · ~161 min

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