Top 18
Prep plan
Updated weekly · Last refresh Aug 30

GEN Mobile Engineer Interview Questions

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

18questions
~3htotal time
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1
CodingStart here. 10 questions · ~102 min
Detect Cycle in Linked ListEasy
Practice

Use Floyd’s two-pointer algorithm to determine whether a singly linked list contains a cycle.

Hash TablesLinked ListsTwo PointersGEN
Maximum Subarray SumEasy
Practice

Compute the largest sum of any contiguous subarray using Kadane's algorithm in O(n) time.

Dynamic ProgrammingArraysGreedyGEN
Handle Edge Cases in FeaturesMedium

Tests defensive engineering and thoroughness in delivering reliable mobile functionality.

mobile developmentProblem Solvingedge casesGEN
Search Feature With DebouncingMedium

Tests UI interaction design and efficient request handling to reduce unnecessary work and latency.

api requestsdebouncingsearchGEN
Implement Debouncing for SearchMedium

Tests practical implementation of debouncing and ability to control network call volume.

api requestsdebouncingsearchGEN
View Controller LifecycleEasy

Tests deep UIKit knowledge and understanding of lifecycle events and their implications.

swiftlifecyclebasicsGEN
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2
Behavioral & Leadership7 questions · ~72 min
Maintaining Code Quality Under SpeedMedium

Tests ownership and prioritization in balancing delivery speed with maintainable mobile code and deliberate technical debt management.

best practicesfast-paced environmentcode maintainabilityGEN
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3
More topics1 question · ~10 min
The finish line: interview-readyComplete all 18 questions to finish this plan.