Your complete guide to mastering React Native interviews and landing your dream job
This is a comprehensive React Native Interview Preparation repository. It covers everything you need for React Native interviews at top tech companies — from JavaScript fundamentals to the New Architecture (Fabric, TurboModules, JSI).
- 269 Interview Questions with detailed answers
- 700+ Production-Ready TypeScript/React Native Code Examples
- 31 Comprehensive Topics covering all aspects of React Native
- 6 State Management Approaches: Hooks/Context, Redux Toolkit, Zustand, MobX, TanStack Query (with detailed comparisons)
- New Architecture coverage: Fabric, TurboModules, Codegen, Hermes
- Best Practices from industry experts
- Real-world Scenarios and use cases
| # | Topic | Questions | Focus Areas |
|---|---|---|---|
| 1 | Introduction | 7 | Interview strategies, preparation timeline |
| 2 | React Native Basics | 10 | Bridge, Metro, Hermes, Expo vs bare |
| 3 | Core Components | 10 | FlatList, FlashList, Pressable, PixelRatio, gestures |
| 4 | JavaScript & TypeScript | 10 | Closures, async/await, generics, types |
| 5 | Advanced TypeScript | 10 | type vs interface, unions, tsconfig, navigation typing |
| 6 | React Fundamentals | 11 | Hooks, HOC, reconciliation, React.memo |
| 7 | State Management Overview | 7 | When to use what, single source of truth |
| 8 | Hooks & Context | 8 | useState, useReducer, Context API |
| 9 | Redux Toolkit | 10 | Slices, RTK Query, middleware |
| 10 | Zustand | 8 | Lightweight global state |
| 11 | MobX | 8 | Observable state management |
| 12 | TanStack Query | 8 | Server state, caching, mutations |
| 13 | State Management Comparison | 12 | Comprehensive comparison guide |
| 14 | Components & Styling | 9 | Flexbox, StyleSheet, responsive UI |
| 15 | Forms & Validation | 8 | React Hook Form, keyboard handling |
| 16 | Navigation | 8 | React Navigation, deep linking |
| 17 | Networking | 8 | fetch, Axios, error handling |
| 18 | Push Notifications | 7 | FCM, APNs, foreground/background |
| 19 | Data Persistence | 8 | AsyncStorage, MMKV, SQLite, Realm |
| 20 | Native Modules & Bridge | 7 | TurboModules, Fabric, JSI |
| 21 | New Architecture | 8 | Fabric, TurboModules, Codegen |
| 22 | Upgrading React Native | 8 | Upgrade Helper, Bridgeless, migration |
| 23 | Dependency Injection | 7 | Inversify, manual DI, service locators |
| 24 | Testing | 7 | Jest, RNTL, Detox, Maestro |
| 25 | Performance | 8 | FlatList, InteractionManager, profiling |
| 26 | Animations | 7 | Reanimated, Animated API, LayoutAnimation |
| 27 | Architecture Patterns | 8 | Clean Architecture, MVVM, SOLID |
| 28 | Publishing | 9 | App Store, Play Store, OTA updates |
| 29 | Security | 7 | Keychain, SSL pinning, obfuscation |
| 30 | Advanced Topics | 7 | Monorepos, brownfield, CI/CD |
| 31 | Live Coding Challenges | 11 | Hands-on tasks + system design mock |
Total: 269 Questions | 700+ Code Examples | 100% Coverage
Focus on: Introduction, React Native Basics, Core Components, JavaScript & TypeScript, Advanced TypeScript, React Fundamentals, Live Coding Challenges
Focus on: Architecture Patterns, Networking, Navigation, Redux Toolkit / Zustand, Testing, Forms & Validation
Focus on: Design Patterns & Clean Architecture, Performance, Security, Advanced Topics, New Architecture, Publishing, Native Modules & Bridge
Focus on: Clean Architecture, SOLID Principles, Dependency Injection, System Design, Advanced Topics, Upgrading React Native
✅ 269+ Real Interview Questions — Actual questions from top product and service companies
✅ Production-Ready Code — TypeScript/React Native examples from real-world app patterns
✅ Constantly Updated — Latest React Native 0.73+ features and New Architecture (Fabric, TurboModules, JSI)
✅ Interview-Focused Answers — Formatted specifically for interview responses
✅ All Experience Levels — From entry-level to senior architect positions
✅ Free & Open Source — Community-driven, always free
- 31 Comprehensive Topics
- 269+ Interview Questions & Answers
- 700+ Code Examples
- React Native 0.73+ / New Architecture Coverage
- TypeScript-First Examples
- Covers Expo & Bare React Native
- 6 State Management Approaches (Hooks, Redux, Zustand, MobX, TanStack Query)
- Live Coding + System Design mock interviews included
git clone https://github.com/mukundjogi/reactnative-interview.git
cd reactnative-interview- New to React Native? Start with Introduction → React Native Basics → Core Components
- Interview Tomorrow? Go to 📋 Top Questions by Topic and Live Coding Challenges
- Specific Topic? Use the Table of Contents above
- Want All Questions? Check Complete Questions Index
Week 1-2: Fundamentals
Week 3-4: Core Concepts
Focus Areas:
- 📘 Redux Toolkit
- 📘 Navigation
- 📘 Networking
- 📘 Data Persistence
- 📘 Testing
Master These:
- 📙 State Management Comparison
- 📙 New Architecture
- 📙 Native Modules & Bridge
- 📙 Performance
- 📙 Architecture Patterns
Deep Dive Into:
1. Pick a topic from the list
2. Read the explanations thoroughly
3. Study all code examples
4. Try answering questions before reading solutions
5. Implement code examples yourself
6. Move to the next topic
1. Go through questions in each topic
2. Practice answering out loud
3. Write code on whiteboard/paper
4. Review best practices
5. Focus on weak areas
1. Use QUESTIONS_INDEX.md for quick lookup
2. Focus on frequently asked questions
3. Review code examples for important topics
4. Update your knowledge base
- ✅ React Native Basics
- ✅ Core Components
- ✅ JavaScript & TypeScript
- ✅ Advanced TypeScript
- ✅ React Fundamentals
- ✅ Hooks & Context
- ✅ Components & Styling
- ✅ Redux Toolkit / Zustand
- ✅ Navigation
- ✅ Networking
- ✅ Data Persistence
- ✅ Testing
- ✅ TanStack Query
- ✅ New Architecture
- ✅ Native Modules
- ✅ Performance
- ✅ Animations
- ✅ Architecture Patterns
- ✅ Security
- ✅ Publishing
- ✅ Advanced Topics
- ✅ Live Coding Challenges
We welcome contributions from the community! See CONTRIBUTING.md for guidelines.
- ⭐ Star this repository
- 🐛 Report bugs or issues
- 💡 Suggest new questions or topics
- 📝 Improve documentation
- 🔧 Fix typos or errors
- 🎉 Share with fellow React Native developers
This project is licensed under the MIT License - see the LICENSE file for details.
Mukund Jogi — Engineering Lead & Mobile App Specialist
- 🌐 Portfolio: mukundjogi-portfolio.vercel.app
- 💼 LinkedIn: linkedin.com/in/mukund-jogi
- 🐙 GitHub: github.com/mukundjogi
- 💬 1:1 Mentorship: topmate.io/mukundjogi
- 🌐 Website: https://github.com/mukundjogi/reactnative-interview
- 📦 GitHub: https://github.com/mukundjogi/reactnative-interview
- 💬 Discussions: GitHub Discussions
- 🐛 Issues: Report Issues
- 📋 All Questions: Complete Questions Index
If this guide helped you, please:
- ⭐ Star this repository
- 🔀 Fork for your own reference
- 📢 Share on LinkedIn, Twitter, Reddit
- 💬 Recommend to fellow React Native developers
react-native react typescript javascript interview-questions react-native-development mobile-development cross-platform expo react-navigation redux zustand tanstack-query new-architecture fabric turbomodules hermes reanimated jest detox clean-architecture mvvm interview-preparation coding-interview tech-interview react-native-interview reactnative-interview architecture-patterns design-patterns performance security state-management
React Native evolves rapidly. Always check:
- React Native Blog
- React Native Release Notes
- Expo Changelog (if using Expo)
- Practice Coding: Don't just read, implement!
- Mock Interviews: Practice with friends
- Stay Current: React Native changes fast — know the New Architecture
- Understand Why: Don't memorize, understand
- Build Projects: Apply knowledge in real apps
- Research Company: Understand their stack (Expo vs bare RN, state lib, etc.)
- Prepare Questions: Ask about New Architecture adoption, release process
- Show Enthusiasm: Be passionate about mobile development
- Explain Thought Process: Walk through solutions
- Admit When Uncertain: Honesty is appreciated
Created with ❤️ by Mukund Jogi for React Native developers preparing for interviews at product companies, service companies, and startups worldwide.
Happy Learning! ⚛️
📖 Read Online • 📋 All Questions • 🧪 Live Coding • 🤝 Contribute
Start your journey today and ace your next React Native interview! 🚀