360Learning Mobile Engineer Interview Questions

The questions to prepare for a 360Learning Mobile Engineer interview. Questions from real interview reports rank first. Updated daily.

18questions

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CodingStart here. 3 questions · ~30 min

Use prefix sums and a hash table to find the longest continuous subarray with a given sum in O(n) time.

Nested JSON Parsing and ValidationMedium

Tests data modeling, parsing strategy, and validation of nested structures.

Recursionjson parsingvalidation

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Detect Cycles in Prerequisites GraphMedium

Practice

Use DFS state tracking to determine whether a directed course prerequisite graph contains a cycle.

dfscycle detectionAlgorithms

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Technical Fundamentals4 questions · ~40 min

Tests performance engineering skills for mobile apps, including caching and power usage.

Background Work and Async OpsMedium

Tests ability to structure async work safely and efficiently on mobile.

mobile developmentasynchronous worktechnical fundamentals

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Layout Choice: Frame vs Linear vs ConstraintEasy

Tests UI layout knowledge and practical decision-making for Android views.

androidtechnical fundamentalslayout

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Behavioral & Leadership10 questions · ~100 min

Owning a High-Impact Mobile ProjectEasy

Tests ownership through a concrete past mobile project, including scope, prioritization, execution, and measurable business impact.

backgroundprojectsself introduction

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