Arcadia Software Engineer Interview Questions

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

38questions

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CodingStart here. 16 questions · ~139 min

Scan the array once to track the largest and second largest distinct values in O(n) time.

Linked Lists vs ArraysEasy

Compare arrays and linked lists by memory layout, access cost, and update performance, and explain when each is the better choice.

Linked ListsArraysSearching

Arcadia

Understanding Multithreading in JavaMedium

Explain the concept of multithreading in Java, including its benefits and challenges.

Arcadia

LRU Cache ImplementationMedium

Tests your ability to design and implement an efficient caching data structure with correct eviction behavior.

performancecachinglru cache

Arcadia

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System Design3 questions · ~26 min

Evaluates your end-to-end problem solving and design approach for complex requirements.

Distributed Tracing With Request LogsMedium

Assesses your understanding of distributed tracing and observability practices.

distributed systems

Arcadia

Deep-Dive System Design RoundHard

Assesses breadth of system design and core engineering knowledge under time pressure.

system designdesign patterns

Arcadia

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Behavioral & Leadership19 questions · ~165 min

Explaining OOP Through Project DecisionsMedium

Tests technical communication and ownership by asking you to explain how OOP principles shaped real engineering decisions and outcomes.

projectstechnical experienceoop

Arcadia

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The finish line: interview-readyComplete all 38 questions to finish this plan.