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Updated weekly · Last refresh Oct 17

YouTube Mobile Engineer Interview Questions

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

8questions
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1
CodingStart here. 3 questions · ~26 min
Find Three Numbers Under KMedium

Assesses problem-solving and algorithm selection for array and constraint problems.

YouTube
Custom UITableView Delegate QueueingHard

Evaluates your ability to design and implement efficient iOS table view delegate behavior.

apiYouTube
Breadth-First Search ProblemMedium

Tests your understanding of BFS traversal and translating it into a correct solution.

YouTube

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2
Behavioral & Leadership5 questions · ~44 min
Negotiating Product and UX TradeoffsMedium

Tests conflict resolution and influence without authority when balancing technical constraints against product or UX goals.

Trade-offsStakeholder ManagementCommunicationYouTube
Growing a Junior EngineerMedium

Tests mentorship through hands-on coaching, feedback, and ownership for improving team capability with measurable results.

MentorshipLeadershipteam growthYouTube
Handling Tough Code Review FeedbackMedium

Tests how you receive peer feedback in code reviews, respond constructively, and turn critique into better code and stronger team habits.

code reviewsCommunicationfeedbackYouTube
Leading a Team Through AmbiguityMedium

Tests leadership in ambiguous, high-stakes team delivery situations, including stakeholder alignment, ownership, and execution under changing conditions.

Conflict ResolutionStakeholder ManagementCommunicationYouTube
Leading an Ambiguous Technical ProjectMedium

Tests leading through technical ambiguity by creating clarity, prioritizing decisions, and driving aligned execution under uncertainty.

technical ambiguityLeadershipProject ManagementYouTube
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