Top 14
Prep plan
Updated weekly · Last refresh Oct 17

Apollo Backend Engineer Interview Questions

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

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1
System DesignStart here. 5 questions · ~41 min
Vehicle Pricing SystemHard

Assesses your ability to design extensible pricing logic and backend services under changing requirements.

Apollo
High Traffic ConsistencyHard

Evaluates tradeoffs for consistency, scalability, and reliability under high load.

distributed systemsdata consistencyApollo
Uber-Style Driver App DesignHard

Evaluates system design skills for a high-scale driver platform backend at Apollo.

scalabilityuser experienceApollo
DSA, LLD, HLD, Behavioral MixHard

Evaluates end-to-end thinking across algorithms, architecture, and communication.

behavioralApollo
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2
Coding4 questions · ~33 min
Backend Coding: Stack SortingMedium

Tests your ability to implement and reason about data structures and algorithms.

StackSortingApollo
Minimum Window SubstringMedium

Assesses your algorithmic problem-solving for string processing and edge cases.

string manipulationApollo
Dynamic Uber-Style PricingMedium

Evaluates your ability to design and implement pricing logic for a mobility platform backend.

Dynamic ProgrammingApollo
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3
Behavioral & Leadership5 questions · ~41 min
Explaining Your Most Impactful ProjectEasy

Tests how clearly you connect your technical skills to a real project, concrete decisions, and measurable impact.

self assessmentprojectstechnical skillsApollo
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The finish line: interview-readyComplete all 14 questions to finish this plan.