Amazon Mobile Engineer Interview Questions

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

26questions

~4htotal time

Track your progressSign up free to work through all 26 questions and resume where you left off.

CodingStart here. 4 questions · ~40 min

Sort unique integers and merge consecutive values into compact range strings.

Longest repeated substringHard

Practice

Find the longest repeated substring using suffix-array ordering and longest common prefixes.

coding challengeData StructuresAlgorithms

Amazon

LCA with Parent PointersMedium

Practice

Find the lowest common ancestor of two tree nodes using parent pointers in O(depth) time and O(1) extra space.

Data StructuresAlgorithms

Amazon

More Coding questions with a free account

System Design7 questions · ~70 min

Design an Android architecture covering MVVM, MVI, Compose, Fire TV optimization, and Room, DataStore, and network caching.

Describe app architecture and data syncingHard

Design a mobile app architecture covering structure, caching, offline sync, conflicts, and iOS and Android constraints.

client-sidemobile architectureoffline sync

Amazon

Design a GCD-like API for iOSHard

Design and code a thread-safe iOS concurrency API that resembles Grand Central Dispatch, including queues, tasks, cancellation, and shutdown.

low latencymobile architecturearchitecture patterns

Amazon

More System Design questions with a free account

Create a free account to unlock this list and practice real interview questions.

Behavioral & Leadership14 questions · ~139 min

Balancing quality and deliveryMedium

Tests prioritization, accountability, and learning after accepting quality risk to meet a delivery commitment.

behavior under pressurebehavioral interviewaccountability

Amazon

More Behavioral & Leadership questions with a free account