Top 27
Prep plan
Updated weekly · Last refresh Oct 17

Wish Mobile Engineer Interview Questions

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

27questions
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1
CodingStart here. 12 questions · ~114 min
Longest Substring Without RepeatsMedium
Practice

Find the length of the longest substring without repeated characters using a sliding window and hash map.

Hash TablesdeduplicationArraysWish
Linked List ReversalEasy
Practice

Reverse a singly linked list in-place using iterative pointer manipulation.

RecursionLinked ListsArraysWish
Swift vs Objective-C DifferencesEasy

Compare Swift and Objective-C across syntax, safety, interoperability, and runtime behavior.

RecursionHash TablesArraysWish
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2
Product Sense3 questions · ~28 min
Offline-First App StructureMedium

Tests your approach to offline data handling, sync, and user experience continuity.

User NeedsMVPUse CasesWish
Real-Time Notifications DesignHard

Tests your product sense and system design thinking for timely, reliable notifications at scale.

User NeedsUse CasesProduct VisionWish
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3
Behavioral & Leadership9 questions · ~85 min
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4
More topics3 questions · ~28 min
MVC in Mobile DevelopmentEasy

Tests your grasp of common architectural patterns and how you apply them in mobile codebases.

CommunicationOwnershipWish
Android Memory ManagementMedium

Tests your understanding of Android memory management and common performance and leak pitfalls.

InfrastructureQualityWish
Scaling a Mobile AppHard

Tests your ability to plan for growth in traffic, data, reliability, and performance.

OwnershipDealing With AmbiguityPrioritizationWish

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