Expo Interview Questions

Check out 30 of the most common Expo interview questions and take an AI-powered practice interview

React NativeJavaScriptEASManaged WorkflowPush Notifications
30+
Questions
12
Basic
13
Intermediate
5
Advanced
Q1

What is Expo and why is it popular?

BasicFundamentals
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Q2

What are the key features and advantages of Expo?

BasicCore Features
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Q3

How do you set up a Expo development environment?

BasicSetup & Configuration
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Q4

What are variables and data types in Expo?

BasicBasic Concepts
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Q5

How do you handle functions and methods in Expo?

BasicFunctions & Methods
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Q6

Explain control flow statements in Expo

BasicControl Flow
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Q7

What are the basic operators in Expo?

BasicOperators
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Q8

How do you handle input/output in Expo?

BasicInput/Output
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Q9

What is the standard library/built-in functions in Expo?

BasicStandard Library
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Q10

How do you debug Expo code?

BasicDebugging
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Q11

What are comments and documentation in Expo?

BasicDocumentation
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Q12

How do you handle basic error scenarios in Expo?

BasicError Handling
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Q13

Explain object-oriented programming in Expo

IntermediateObject-Oriented Programming
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Q14

How does Expo handle memory management?

IntermediateMemory Management
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Q15

What are design patterns commonly used in Expo?

IntermediateDesign Patterns
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Q16

How do you handle asynchronous programming in Expo?

IntermediateAsynchronous Programming
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Q17

What are modules/packages in Expo?

IntermediateModules & Packages
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Q18

How do you handle file operations in Expo?

IntermediateFile Operations
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Q19

What is exception handling in Expo?

IntermediateException Handling
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Q20

How do you work with databases in Expo?

IntermediateDatabase Integration
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Q21

What are decorators/annotations in Expo?

IntermediateDecorators & Metadata
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Q22

How do you implement data structures in Expo?

IntermediateData Structures
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Q23

What is multithreading/concurrency in Expo?

IntermediateConcurrency
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Q24

How do you optimize Expo code performance?

IntermediatePerformance
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Q25

What are best practices for Expo development?

IntermediateBest Practices
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Q26

How do you implement advanced algorithms in Expo?

AdvancedAlgorithms
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Q27

What are metaprogramming concepts in Expo?

AdvancedMetaprogramming
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Q28

How do you optimize memory usage in Expo?

AdvancedMemory Management
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Q29

What is reflection in Expo?

AdvancedReflection
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Q30

How do you implement custom data structures in Expo?

AdvancedCustom Extensions
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Companies Hiring Expo

Google
Amazon
Microsoft
Meta
Netflix
Uber
PayPal
LinkedIn
Spotify
Airbnb

Salary Insights

Average in India
₹5-18 LPA

Frequently Asked Questions

What is Expo used for?

Expo is widely used for various development tasks. It's valued for its performance, reliability, and extensive ecosystem.

How long does it take to learn Expo?

Learning Expo basics typically takes 1-3 months of dedicated study. Achieving proficiency requires 6-12 months of practice and real-world projects. Mastery comes with years of experience and continuous learning.

What are the job prospects for Expo developers?

Expo developers are in high demand across industries. With strong Expo skills, you can pursue roles in software development, system architecture, with competitive salaries ranging from ₹5-18 LPA.

What prerequisites are needed for learning Expo?

General programming knowledge are helpful prerequisites for learning Expo.

Which companies use Expo?

Major companies using Expo include Google, Amazon, Microsoft, Meta, Netflix, and many more. Expo is adopted across startups to enterprise organizations.

Introduction

Preparing for mobile development interviews with Expo? Mobile apps are essential for reaching users in today's digital landscape.

Expo enables developers to build high-quality mobile applications efficiently. Understanding its architecture, UI patterns, and platform-specific considerations is key.

This guide covers Expo interview questions about app architecture, state management, performance optimization, and deployment.

These questions will help you demonstrate expertise in building smooth, responsive mobile applications.