FE Developer | React Native | India-Fiserv

Posted 4 Days Ago
Be an Early Applicant
2 Locations
In-Office or Remote
Mid level
Agency • Information Technology
The Role
Build and maintain cross-platform mobile apps using React Native. Implement pixel-perfect UIs, reusable components and design systems, integrate REST/GraphQL APIs, handle auth and storage, write unit and component tests, debug and optimize performance, collaborate across teams, and support App Store/Play Store releases.
Summary Generated by Built In

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

Skills Required

  • Strong experience with React Native
  • Proficiency in JavaScript and/or TypeScript
  • Good understanding of React Hooks and component lifecycle
  • Experience with Redux, Context API, or similar state management
  • Mobile UI development for iOS and Android (responsive, device compatibility)
  • Styling using Flexbox, StyleSheet, or styled-components
  • Navigation handling using React Navigation
  • Integration with REST and/or GraphQL APIs
  • Authentication flows knowledge (JWT, OAuth)
  • Working with JSON, async/await, and promise-based workflows
  • Unit and component testing using Jest and React Native Testing Library; Storybook experience
  • End-to-end testing experience with Appium or Detox (basic to intermediate)
  • Debugging using React Native Debugger, Flipper or similar tools
  • Version control with Git
  • Familiarity with CI/CD basics
  • Experience integrating web pages via WebView and managing session/cookie storage
  • Experience building reusable UI components and design systems (Atomic Design)
  • Support application releases to Apple App Store and Google Play Store
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The Company
HQ: London
5,017 Employees
Year Founded: 2007

What We Do

Photon.com has emerged as one of the world’s largest and fastest-growing Digital Agencies. We work with 40% of the Fortune 100 on their Digital initiatives and are known for our ability to integrate Strategy Consulting, Creative Design, and Technology at scale. Please visit www.photon.com to learn more about us, how we work, and our customer case studies. Digital Transformation Starts Here.

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