Top 7
Prep plan
Updated weekly · Last refresh Sep 22
E

Extentia Mobile Engineer Interview Questions

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

7questions
~1htotal time
Track your progressSign up free to work through all 7 questions and resume where you left off.
Start practicing free →
1
CodingStart here. 4 questions · ~37 min
Android App Performance OptimizationHard

Explain how to optimize an Android app by identifying bottlenecks in rendering, memory, data access, and algorithmic hot paths.

Hash TablesArraysEExtentia
Mobile Application Lifecycle ExplainedEasy

Explain the mobile app lifecycle, key callbacks, and how state changes affect app behavior and resource management.

ArraysStringsEExtentia
Memory Management in iOS AppsEasy

Explain ARC, retain cycles, and practical techniques for managing memory in iOS applications.

Hash TablesArraysEExtentia
Swift vs Objective-C DifferencesEasy

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

RecursionHash TablesArraysEExtentia

Sign up to see every question

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

Get my prep plan
2
Behavioral & Leadership3 questions · ~27 min
iOS App State TransitionsMedium

Evaluates your understanding of iOS lifecycle and how you manage app behavior across states.

iOSstate managementEExtentia
Android Background ProcessingMedium

Tests your knowledge of Android concurrency and background execution best practices.

threadingandroidbackground processingEExtentia
Third-Party Libraries and DependenciesMedium

Assesses your ability to integrate dependencies safely and keep mobile builds stable.

iOSDependenciesEExtentia
The finish line: interview-readyComplete all 7 questions to finish this plan.