React Native Developer

Zuci Systems India; Chennai District; On-site; INR 1,200,000 - 2,400,000; Full time

Job summary

Zuci Systems India in Chennai (WFO) is seeking a Senior React Native Developer to design, build, and maintain cross‑platform mobile apps for iOS and Android. You will integrate with Java-based backends, drive architectural excellence, and collaborate with product, UX, and QA teams to deliver high-performing mobile experiences.

Ideal candidates bring 5+ years of software development, 3+ years React Native, strong JS/TS skills, and hands-on API integration.

Qualifications

• 5+ years of software development experience.
• 3+ years hands-on React Native development.
• Strong proficiency in JavaScript/TypeScript.
• Experience building apps for iOS and Android.
• Experience consuming RESTful APIs.
• Knowledge of MVVM, Clean Architecture, and component-based patterns.
• Experience with Git and CI/CD pipelines.
• Experience with Agile/Scrum methodologies.
• Strong debugging and troubleshooting skills.

Responsibilities

• Design, develop, test, and maintain React Native applications for iOS and Android.
• Build reusable UI components and shared libraries.
• Integrate with Java-based REST APIs and microservices.
• Ensure cross-platform consistency and UI/UX alignment.
• Collaborate with product, UX, and backend teams.
• Participate in architecture reviews and design discussions.
• Improve app performance and reliability.
• Support CI/CD pipelines and release management.

Skills

React Native

JavaScript

TypeScript

Redux / Zustand / React Query

HTML5 / CSS3

REST APIs

CI/CD

Git

Agile / Scrum

Mobile architecture

Tools

Spring Boot

OAuth2

JWT

API Gateway

Job description

Experience: 7 - 10 Years.

Designation: Senior Software Engineer/ Module Lead.

Location: Chennai, WFO.

We are looking for a highly motivated Senior React Native Developer to join our Global Capability Center (GCC) and help build the next generation of our customer-facing mobile applications. You will be responsible for designing, developing, and maintaining cross-platform mobile applications for iOS and Android using React Native while integrating with enterprise-grade Java-based backend APIs.

This role requires strong expertise in mobile application architecture, UI/UX implementation, API integration, performance optimization, and modern DevOps practices. You will work closely with Product Managers, UX Designers, Architects, QA Engineers, and Java backend teams to deliver scalable, secure, and high-performing mobile experiences.

Key Responsibilities Mobile Application Development

• Design, develop, test, and maintain React Native applications for iOS and Android.
• Build reusable, scalable, and maintainable UI components and shared libraries.
• Implement responsive and intuitive user interfaces aligned with enterprise design standards.
• Ensure consistent behaviour across mobile platforms.

API & Backend Integration

• Integrate mobile applications with Java-based REST APIs and microservices.
• Collaborate with backend engineers to define API contracts and optimize payloads.
• Implement secure authentication and authorization mechanisms.
• Handle asynchronous data flows, caching, and offline scenarios.

Architecture & Engineering Excellence

• Participate in architecture reviews and technical design discussions.
• Develop clean, maintainable, and scalable application architecture.
• Drive adoption of coding standards, design patterns, and best practices.
• Contribute to mobile platform strategy and technical roadmaps.

Performance & Quality

• Optimize applications for speed, scalability, and reliability.
• Troubleshoot and resolve production issues.
• Implement monitoring, analytics, and crash reporting solutions.
• Ensure high code quality through peer reviews and automated testing.

DevOps & Release Management

• Support CI/CD pipelines for mobile application delivery.
• Manage build, deployment, and release processes for App Store and Google Play.
• Work closely with QA teams on automation and test strategy.
• Participate in production support and incident management.

Collaboration

• Partner with Product Owners, UX Designers, Architects, and Engineering teams.
• Translate business requirements into technical solutions.
• Contribute to Agile ceremonies and sprint planning activities.

Required Technical Skills Must Have

• 5+ years of software development experience.
• 3+ years of hands-on React Native development experience.
• Strong proficiency in JavaScript and TypeScript.
• Experience building and deploying applications to:
• Apple App Store
• Google Play Store
• Strong knowledge of:
• React Native
• React
• Redux / Zustand / React Query
• HTML5, CSS3
• Experience consuming RESTful APIs.
• Understanding of mobile architecture patterns:
• MVVM
• Clean Architecture
• Component-Based Architecture
• Experience with:
• Git
• CI/CD pipelines
• Agile/Scrum methodologies
• Strong debugging and troubleshooting skills.

API & Integration Skills

• Experience integrating with Java backend services:
• Spring Boot
• REST APIs
• OAuth2
• JWT Authentication
• Understanding of API Gateway and Microservices architecture.
• Knowledge of JSON, API security, and mobile networking.

Mobile Platform Skills

• Push Notifications (Firebase/APNs)
• Deep Linking
• Secure Storage (Keychain/Keystore)
• App Performance Monitoring
• Crash Analytics
• App Lifecycle Management