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Updated weekly · Last refresh Oct 17

Adyen Software Engineer Interview Questions

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

50questions
~9htotal time
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1
SQL & Data ManipulationStart here. 6 questions · ~65 min
SQL Group by and JoinsMedium
Practice

Calculate payment counts and averages per merchant, including merchants and payment groups without matches.

Group ByAggregationsjoin typesAdyen
TV Shows Genre Query via RESTMedium
Practice

Find the highest-rated TV show in a requested genre using joins and average ratings.

null handlingJoinsAggregationsAdyen
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2
Coding11 questions · ~119 min
Card Usage Over TimeMedium
Practice

Count a card's uses in the inclusive last X-hour window and detect whether the count exceeds X.

ArraysAlgorithmsedge casesAdyen
Count Perfect PairsHard
Practice

Count array index pairs satisfying the perfect-pair inequality using sorted absolute values and a two-pointer window.

ArraysArray ManipulationAlgorithmsAdyen
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3
System Design9 questions · ~97 min
IPL Ticket Booking SystemHard

Design an IPL ticket booking system covering requirements, entities, APIs, consistency, and high-level architecture.

booking logicdistributed systemsdesignAdyen
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4
Execution7 questions · ~76 min
Prevent Insufficient Funds DelaysHard
Recently asked

Design an execution approach that reduces insufficient-funds risk without adding bank approval wait time.

contingency planningRisk Managementfault toleranceAdyen
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5
Behavioral & Leadership14 questions · ~151 min
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6
More topics3 questions · ~32 min
Thread Safety and SynchronizationMedium
Recently asked

Tests your understanding of concurrency, synchronization, and thread safety in Java.

javaconcurrencyAdyen
Java Concurrency and Thread SafetyMedium
Recently asked

Tests practical Java concurrency skills and safe shared-state handling in production systems.

javathread safetyconcurrencyAdyen
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