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Updated weekly · Last refresh Aug 30

Apollo Software Engineer Interview Questions

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

37questions
~5htotal time
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1
CodingStart here. 18 questions · ~144 min
Two Strings and Binary Search TreesMedium

Assesses breadth across string manipulation and BST algorithms.

StringsApollo
Todo App Build and DebugMedium

Assesses practical coding, debugging skills, and iteration under interview constraints.

DebuggingApollo
DSA Problem Medium LevelMedium

Assesses structured problem-solving and coding clarity.

Apollo
Binary Search CustomizationMedium

Evaluates problem-solving accuracy and ability to adapt algorithms to stated constraints.

binary searchApollo
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2
System Design7 questions · ~56 min
Sliding Window and Large-Scale EfficiencyHard

Assesses performance engineering and algorithm selection for very large data volumes.

Sliding WindowefficiencyApollo
Scalable Client-Server CommunicationHard

Tests system design fundamentals for scalability and real-time communication patterns.

Apollo
Scale and Web-Facing System DesignMedium

Assesses scalability thinking and architecture choices for production web systems.

system designApollo
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3
Behavioral & Leadership12 questions · ~96 min
Preparing for STAR InterviewsEasy

Tests preparation discipline, self-reflection, and the ability to structure behavioral examples clearly using STAR.

CommunicationOwnershipPrioritizationApollo
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The finish line: interview-readyComplete all 37 questions to finish this plan.