React Native

4 days ago

Mumbai Metropolitan Region, India Infojini Inc Full time ₹ 1,20,000 - ₹ 3,00,000 per year

Job Title

React Native & Manager

Job Overview

We are looking for a skilled React Native & Developer to join our engineering team. You will work on both mobile (iOS & Android) and backend server systems, building scalable, high-performance applications. You'll collaborate with designers, product managers, and other developers to deliver high-quality features and products.

Key Responsibilities

  • Develop, maintain, and deploy mobile applications using
    React Native
    for both Android and iOS platforms.
  • Build and maintain backend services, APIs, and microservices using

    (Express, NestJS, Koa, or similar).
  • Integrate frontend/mobile components with backend APIs (REST / GraphQL).
  • Write clean, maintainable, well-tested code (unit tests, integration tests).
  • Optimize application performance (mobile app startup time, rendering speed, memory usage, API response times).
  • Work on user interface components, animations, offline capabilities, and native module bridging when needed.
  • Collaborate with UI/UX designers to ensure designs are implemented faithfully and responsively.
  • Ensure code quality via code reviews, automated tests, and best practices.
  • Handle deployment processes: mobile app store submission, backend deployment, CI/CD pipelines.
  • Troubleshoot, debug, and resolve technical issues, crashes, and performance bottlenecks.
  • Stay up-to-date with latest mobile and backend technologies, libraries, and practices.

Required Skills & Qualifications

  • Strong proficiency in
    JavaScript / TypeScript
    .
  • Proven experience (usually 4 years, adjust as per level) with
    React Native
    for mobile app development.
  • Good understanding of both Android and iOS platforms: build tools (Xcode, Android Studio), platform limitations, native modules.
  • Experience with

    backend: frameworks like Express, NestJS etc., writing RESTful APIs / GraphQL.
  • Familiarity with databases (SQL / NoSQL), e.g. PostgreSQL, MySQL, MongoDB, or others.
  • Knowledge of asynchronous programming, event-driven architecture.
  • Familiarity with version control (Git).
  • Experience with automated testing (unit, integration), and tools like Jest, Mocha etc.
  • Understanding mobile app lifecycle, performance optimizations, memory constraints.
  • Good problem-solving skills, ability to debug complex issues.
  • Ability to work in Agile / Scrum or similar iterative development methodologies.
  • Good communication & collaboration skills; able to work cross-functionally.

Desired / Nice-to-Have Skills

  • Experience with
    TypeScript
    rather than just JavaScript.
  • Experience with
    Redux
    ,
    MobX
    , or similar state management tools in React/React Native.
  • Familiarity with native modules (iOS/Android) or bridging.
  • Experience with CI/CD, mobile app store pipelines.
  • Knowledge of offline storage (e.g. SQLite, Realm, or using local persistence mechanisms).
  • Experience with cloud services (AWS, Google Cloud, Azure) and serverless architectures.
  • Experience with GraphQL (both frontend & backend).
  • Experience with performance monitoring, mobile crash reporting tools (e.g. Sentry, Bugsnag).
  • UI/UX sensitivity: animations, responsive design, good design-implementation fidelity.

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