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Updated weekly · Last refresh Oct 17

Yelp Mobile Engineer Interview Questions

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

17questions
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1
CodingStart here. 8 questions · ~90 min
Flatten Nested Dictionary KeysEasy
Practice

Flatten a nested dictionary into dotted-path keys using recursion and a hash map.

RecursionHash TablesArraysYelp
API Fetch With Loading and ErrorsMedium

Tests your ability to build robust mobile data fetching and UI state handling.

Hash TablesQueueArraysYelp
Business Open Status FunctionMedium
Practice

Scan daily business-hour intervals to determine whether a business is open at a given time.

MathArraysStringsYelp
Build a Complex List ViewHard

Tests your ability to implement efficient scrolling lists and UI performance considerations.

Hash TablesQueueArraysYelp
Type-Safe JSON ParsingEasy

Tests your ability to model data safely and parse complex API responses.

RecursionHash TablesStringsYelp
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2
Behavioral & Leadership7 questions · ~79 min
Design Pushback From EngineeringMedium

Tests conflict resolution and influence without authority when a designer faces technical pushback on implementation feasibility.

Influence Without Authoritytechnical credibilitycross-functional collaborationYelp
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3
More topics2 questions · ~22 min
iOS View Controller LifecycleMedium

Tests your understanding of mobile lifecycle events and their impact on state and resources.

CommunicationOwnershipDealing With AmbiguityYelp
Explain ARC on iOSEasy

Tests your understanding of iOS memory management and ownership semantics.

CommunicationLeadershipOwnershipYelp

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