React.js Mobile App Developer

Karya.cloud; Hyderabad; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

Karya.cloud is seeking a passionate React.js Mobile App Developer to join our product development team. You will build and maintain cross‑platform mobile apps using React.js, Ionic, and Capacitor, collaborating with UI/UX designers, backend teams, and QA to deliver features for our SaaS ERP platform.

You will design high‑quality UI components, integrate RESTful services, and ensure performance, security, and scalability across mobile platforms.

Qualifications

• 2 to 4 years of experience in React.js development.
• Strong knowledge of JavaScript (ES6+), HTML5, CSS3, and modern front‑end development.
• Experience with React.js, Redux, Webpack, Enzyme, Flux and modern React ecosystem.
• Experience developing cross‑platform mobile applications using Ionic Framework and Capacitor.
• Good understanding of Node.js, npm, and package management.
• Experience with Visual Studio Code or similar IDEs.
• Experience with native mobile build tools including Xcode, Android Studio, Gradle.
• Strong understanding of RESTful API integration.
• Experience integrating Firebase Cloud Messaging (FCM) or other push notification services.
• Familiarity with CI/CD processes.
• Experience publishing applications to Google Play Store and Apple App Store.

Responsibilities

• Design, develop, and maintain high‑performance mobile applications using React.js.
• Build responsive, reusable, and scalable UI components.
• Collaborate with product managers, designers, backend developers, and QA teams to deliver new features.
• Integrate RESTful APIs and third‑party services.
• Optimize applications for maximum speed, scalability, and responsiveness.
• Identify performance bottlenecks, debug issues, and fix bugs.
• Implement offline storage, caching, and synchronization mechanisms.
• Integrate native device capabilities using Capacitor plugins and custom native modules when required.
• Deploy and maintain applications on Google Play Store and Apple App Store.
• Participate in code reviews and follow coding standards and best practices.
• Work with Git for version control and contribute to CI/CD pipelines.
• Continuously improve application quality, security, maintainability, and performance.

Skills

React.js

JavaScript (ES6+)

HTML5

CSS3

Redux

Webpack

Ionic Framework

Capacitor

Node.js

npm

Git

CI/CD

RESTful APIs

Testing (unit/e2e)

Tools

Visual Studio Code

Xcode

Android Studio

Gradle

Job description

We are looking for a passionate and experienced React.js Mobile App Developer to join our product development team. You will be responsible for developing and maintaining cross-platform mobile applications using React.js, Ionic, and Capacitor. You will work closely with UI/UX designers, backend developers, and QA engineers to build high‑quality mobile applications for our SaaS ERP platform.

Key Responsibilities

• Design, develop, and maintain high‑performance mobile applications using React.js.
• Build responsive, reusable, and scalable UI components.
• Collaborate with product managers, designers, backend developers, and QA teams to deliver new features.
• Integrate RESTful APIs and third‑party services.
• Optimize applications for maximum speed, scalability, and responsiveness.
• Identify performance bottlenecks, debug issues, and fix bugs.
• Implement offline storage, caching, and synchronization mechanisms.
• Integrate native device capabilities using Capacitor plugins and custom native modules when required.
• Deploy and maintain applications on Google Play Store and Apple App Store.
• Participate in code reviews and follow coding standards and best practices.
• Work with Git for version control and contribute to CI/CD pipelines.
• Continuously improve application quality, security, maintainability, and performance.

Required Skills

• 2 to 4 years of experience in React.js development.
• Strong knowledge of JavaScript (ES6+), HTML5, CSS3, and modern front‑end development.
• Experience with React.js, Redux, Webpack, Enzyme, Flux and modern React ecosystem.
• Experience developing cross‑platform mobile applications using Ionic Framework and Capacitor.
• Good understanding of Node.js, npm, and package management.
• Experience with Visual Studio Code or similar IDEs.
• Experience with native mobile build tools including:
• Xcode
• Android Studio
• Gradle
• Strong understanding of RESTful API integration.
• Experience with browser debugging tools and mobile debugging.
• Knowledge of offline storage, caching, and performance optimization.
• Experience integrating Firebase Cloud Messaging (FCM) or other push notification services.
• Strong understanding of Git and version control workflows.
• Familiarity with CI/CD processes.
• Experience publishing applications to both Google Play Store and Apple App Store.
• Experience integrating third‑party SDKs and custom native modules.

Preferred Qualifications

• Experience with React Hooks and functional components.
• Knowledge of TypeScript.
• Experience with responsive and adaptive UI development.
• Familiarity with authentication mechanisms such as JWT and OAuth.
• Understanding of mobile security best practices.
• Experience with Agile/Scrum development methodologies.
• Knowledge of mobile app analytics and crash reporting tools.
• Experience with unit testing and end‑to‑end testing frameworks.

Good to Have

• Experience with Firebase services.
• Understanding of app performance profiling and memory optimization.
• Familiarity with App Store and Play Store review guidelines.

What We Offer

• Opportunity to work on a large‑scale SaaS ERP product.
• Exposure to modern technologies and enterprise application development.
• Collaborative and learning‑oriented work environment.
• Career growth opportunities.
• Competitive salary based on experience and skills.