Job Summary

We are looking for a React.js and React Native Developer with 1-2 years of experience to develop contemporary, responsive web and mobile applications. The candidate should have experience with REST APIs, state management, UI development, and real-time features, and work closely with backend, UI/UX, QA, and product teams to deliver reliable and user-friendly applications.

Educational Qualification

Bachelor s Degree in

- Computer Science
- Information Technology
- Computer Engineering
- Software Engineering
- Electronics / related Engineering field
- Bachelor of Computer Applications (BCA)
- Master of Computer Applications (MCA)
- Any related field

Relevant certifications, internships, academic projects, or practical experience in React.js, React Native, JavaScript, frontend development, or mobile application development will be an added advantage.

Key Responsibilities

- Develop and maintain web applications using React.js .
- Develop and maintain cross-platform mobile applications using React Native .
- Convert Figma/Adobe XD designs into responsive and reusable UI components.
- Integrate and consume REST APIs using Axios or similar libraries.
- Implement real-time application features using WebSockets .
- Manage application state using Redux, Redux Toolkit, or Context API .
- Implement local data storage and caching using localStorage, IndexedDB, AsyncStorage, or MMKV .
- Implement navigation using React Router and React Navigation .
- Integrate Firebase services including Authentication and Push Notifications.
- Handle loading, success, error, and API response states effectively.
- Optimize applications for performance, scalability, and reliability.
- Debug, test, and resolve frontend issues across web and mobile applications.
- Participate in code reviews and follow frontend development best practices.
- Collaborate with backend developers, designers, QA engineers, and product teams.
- Understand existing codebases and contribute to ongoing projects.
- Maintain clean, reusable, scalable, and maintainable frontend code.
- Use Git and follow proper version-control workflows.




- Support application builds and deployment-related activities when required.

Required Technical Skills

React.js React Native

- React.js fundamentals

- React Native fundamentals
- Component-based architecture

- Functional components

- Props and state management

- Reusable component development

- React Hooks

- Application lifecycle concepts
- Web and mobile application development

JavaScript (ES6+)

- JavaScript fundamentals

- Promises

- Async/Await

- Array methods

- Destructuring

- Spread and Rest operators

- Modules and Import/Export

- Closures and Callbacks

- Error handling

- Event handling

State Management

- Redux

- Redux Toolkit

- Context API
- Global and local state management
- Handling loading, success, and error states
- Managing application-level data flow

API Integration

- REST API integration

- Axios

- Request and response handling

- API authentication
- Token-based authentication

- API error handling
- Loading-state management

- Basic API debugging WebSockets Real-Time Features

- Understanding WebSocket communication
- Connecting applications to WebSocket servers
- Handling real-time messages and events

- Connection and disconnection handling

- Reconnection handling
- Real-time chat implementation

- Notifications and live updates

Navigation

- React Navigation

- React Router

- Navigation stacks

- Routes

- Route parameters

- Navigation state management

UI Development

- HTML5

- CSS3

- Responsive UI development

- CSS Flexbox

- Reusable UI components

- Figma/Adobe XD implementation
- Responsive layouts for different screen sizes
- Mobile-friendly interface development

Local Storage Caching

- localStorage

- IndexedDB

- AsyncStorage

- MMKV

- Session data storage

- User preferences





- API data caching

- Local application state persistence

Firebase

- Firebase project initialization

- Firebase Authentication

- Firebase Cloud Messaging (FCM)

- Push notification implementation

- Push notification handling
- Basic Firebase configuration for web and mobile applications

Build Run

Mobile:

- Ability to run React Native applications using Android Studio.
- Understanding of Android emulators.
- Ability to test applications on physical Android devices.
- Basic familiarity with Xcode and iOS simulators/devices is preferred.

Web:

- Ability to run React.js projects using npm/yarn.
- Understanding of development builds.
- Understanding of production builds.
- Basic understanding of frontend build processes.

Debugging

- Browser Developer Tools

- React Developer Tools
- Debugging React.js applications

- Debugging React Native applications

- Identifying UI issues

- Identifying API issues
- Identifying state-management issues

- Identifying navigation issues
- Reading and understanding basic error logs

Git Version Control

- Cloning repositories

- Creating branches

- Switching branches

- Pulling and pushing code

- Creating meaningful commits

- Creating pull requests

- Reviewing pull requests

- Resolving merge conflicts

- Understanding Git workflows
- Keeping local branches synchronized with remote repositories

Preferred Skills

- Strong understanding of React.js and React Native .
- Experience working on real-world web and mobile applications.
- Strong understanding of JavaScript ES6+.
- Experience with REST API integration.
- Knowledge of WebSockets and real-time application development.
- Experience with Redux or Redux Toolkit.
- Experience with Firebase services.
- Experience with local storage and caching mechanisms.
- Familiarity with Bootstrap or Tailwind CSS .

Disclaimer: This job posting has been aggregated from external source. Role details, content, and availability are subject to change. Applicants are advised to confirm the latest information directly on the company website before applying.

📌 React.js and React Native Developer (Chennai)
🏢 NINOS IT SOLUTION
📍 Chennai