FE Developer | React Native | India-Fiserv

Job Title: Front-End Developer – React Native

Location

Onsite / Hybrid / Remote

Experience

3–6 years (2–3 years in React Native)

Role Summary

The Front-End Developer (React Native) will be responsible for building high-quality, scalable mobile applications using React Native. This is a hands-on role focused on UI implementation, reusable components, performance optimization, and delivering a smooth user experience across iOS and Android platforms.

Key Responsibilities

• Develop and maintain cross-platform mobile applications using React Native
• Convert UI/UX designs into responsive, pixel-perfect mobile interfaces
• Write clean, reusable, and maintainable code following best practices
• Build and maintain reusable UI components and design systems using Atomic Design principles
• Integrate mobile applications with REST / GraphQL APIs
• Integrate web pages using WebView and manage session and cookie storage
• Fix bugs and continuously improve application performance
• Write unit and component tests to ensure code quality
• Participate in code reviews and follow coding standards
• Collaborate with Design, Backend, QA, and Product teams
• Support application releases to the App Store and Play Store

Required Technical Skills

Core

• Strong experience with React Native
• Proficiency in JavaScript / TypeScript
• Good understanding of React Hooks and component lifecycle
• Experience with Redux, Context API, or similar state management solutions

UI & Mobile

• Strong knowledge of mobile UI development for iOS and Android
• Styling using Flexbox, StyleSheet, or styled-components
• Navigation handling using React Navigation
• Understanding of mobile responsiveness and device compatibility

Integration

• REST / GraphQL API integration and data handling
• Authentication flows (JWT, OAuth – basic understanding)
• Working with JSON, async/await, and promise-based workflows

Testing & Tools

• Unit and component testing using Jest, React Native Testing Library (RNTL), and Storybook
• End-to-End (E2E) testing using Appium or Detox (basic to intermediate level)
• Debugging using React Native Debugger, Flipper, or similar tools
• Version control using Git
• Familiarity with CI/CD basics is a plus
• Version control with Git