React Native Developer

Job Profile: React Native Developer (2+ Years Experience)

Location: Kolkata

Work Mode: Work From Office

Experience Required: 2+ Years

Employment Type: Full-Time

Job Description

We are looking for an experienced React Native Developer with 2+ years of hands-on experience to join our mobile development team in Kolkata. The ideal candidate will be responsible for building high-quality, scalable, and performance-optimized mobile applications for Android and iOS platforms.

Key Responsibilities

• Develop and maintain cross-platform mobile applications using React Native
• Convert UI/UX designs into pixel-perfect mobile interfaces
• Integrate RESTful APIs and handle asynchronous data
• Optimize mobile applications for performance, stability, and scalability
• Implement state management using Redux, Context API, or other libraries
• Write clean, maintainable, and reusable code
• Debug, troubleshoot, and resolve production and performance issues
• Collaborate with backend developers, designers, QA, and product teams
• Participate in code reviews, sprint planning, and Agile ceremonies
• Publish and maintain apps on Google Play Store and Apple App Store

Required Skills & Qualifications

• 3+ years of experience in React Native
• Strong knowledge of JavaScript (ES6+) / TypeScript
• Hands-on experience with React Hooks and Functional Components
• Experience with Redux / Context API
• Strong understanding of mobile UI/UX guidelines
• Experience with REST APIs and third-party SDK integration
• Familiarity with Android Studio and Xcode
• Experience using Git for version control

Good to Have

• Experience with Native Modules (Android / iOS)
• Knowledge of Expo
• Experience with Firebase (Auth, Push Notifications, Analytics)
• Familiarity with CI/CD pipelines for mobile apps
• Understanding of app performance optimization techniques

Behavioral & Soft Skills

• Strong analytical and problem-solving skills
• Good communication and collaboration abilities
• Ability to work independently and meet deadlines
• Willingness to work from office in Kolkata

What We Offer

• Stable work-from-office role in Kolkata
• Opportunity to work on live production mobile applications
• Career growth and technical learning opportunities
• Supportive and collaborative work environment

Job Description

We are looking for a React Native developer interested in building performant mobile apps on both the iOS and Android platforms. You will be responsible for architecting and building these applications, as well as coordinating with the teams responsible for other layers of the product infrastructure. Building a product is a highly collaborative effort, and as such, a strong team player with a commitment to perfection is required.

Responsibilities

• Build pixel-perfect, buttery smooth UIs across both mobile platforms.
• Leverage native APIs for deep integrations with both platforms.
• Diagnose and fix bugs and performance bottlenecks for performance that feels native.
• Reach out to the open source community to encourage and help implement mission-critical software fixes—React Native moves fast and often breaks things.
• Maintain code and write automated tests to ensure the product is of the highest quality.
• Transition existing React web apps to React Native.
• Firebase and cloud function expereince would be huge plus

Skills

• Firm grasp of the JavaScript (and TypeScript ) language and its nuances, including ES6+ syntax
• Knowledge of (functional or object-oriented) programming
• Ability to write well-documented, clean Javascript code
• Rock solid at working with third-party dependencies and debugging dependency conflicts
• Familiarity with native build tools, like XCode, Gradle (Android Studio, IntelliJ)
• Understanding of REST APIs, the document request model, and offline storage
• Experience with automated testing suites, like (Jest or Mocha)

We're looking for Android developers who can create amazing apps. Are you up for the challenge?

As a company, we provide Virtual CTO, Product Design, and Product Development for Startups. This means you’ll work with multiple cutting-edge technologies while enjoying a stable job. We value our employees and offer an intellectually stimulating, no-nonsense environment where everyone's ideas and contributions are encouraged and respected.

We develop both Consumer and Enterprise Apps that cover a wide range—from Sports and Motorcycle tracking to Retail commerce, Augmented Reality, Security, Real-time tracking apps, and more. We utilize various technology platforms, including native iOS, native Android, Flutter (our recent favorite), and React Native.

About you

• You love creating sleek, efficient, and pixel-perfect Android mobile apps using Java or Kotlin.
• You have at least 3 years of experience in Android development, with several apps published on the Play Store.
• You have experience interfacing with the camera, gyroscope, and other on-device hardware.
• You have integrated your apps with social networks and RESTful server-side APIs.
• You possess a solid understanding of the Android app development lifecycle.
• You enjoy collaborating with other smart people, learning, and working together.

Tech Stack You’ll Use

• Languages: Kotlin, Java
• Frameworks: Native Android, Jetpack, KMP, Unit Testing, Espresso
• Libraries: Android assisted libraries like Jetpack, Dependency Injection, etc.
• Backend/Infra: Firestore (Firebase), GCP
• Analytics: Amplitude
• AI Tools: GitHub Copilot, ChatGPT, Claude, Cursor
• Version Control: Git (GitHub)

Skills and qualifications

• Expert in mobile app development for Android.
• Proficient understanding of Android SDKs.
• Proficient understanding of the Android development lifecycle.
• Expertise in developing online and offline apps.
• Proficient understanding of code versioning tools like Git.
• Excellent written and verbal communication.

Our promise to you

• Engaging in work on production code for customer projects.
• Client interaction and participation in developing solutions.
• An environment that fosters learning and growth.
• Compensation and perks are commensurate with skills and performance

mail me your CV and portfolio at hr @ hookux.com

• Apply knowledge of Javascript (ES6) including all the latest features
• Usage of third party libraries for Maps, UI scaling, Styles, Secure storage, Permissions, Navigation, Splash screen, Network. Analytics. Push notifications, Localization, Calendar, etc.
• Build and run apps using Xcode, and Android Studio
• Persistence support using frameworks like Realm
• Comprehend performance issues and solve them
• Knowledge of Git (including merging, branching and resolving merge conflicts)

• Ability to create flexbox driven UI layout
• Configuring ESLint for JS code linting
• Being aware of alternate state management mechanisms like MobX
• Is proficient in either iOS or Android programming too.

• Knowledge of all aspects of React framework
• Components, containers, JSX specification of component UI layout, Component lifecycle
• Props and State mechanism used for data flow
• Various kinds of views (text, button, scroll view, flat list, etc.)
• Navigation
• RN animations and gesture system fundamentals
• Redux state management library
• React Router usage
• JSON/XML parsing

JOB DESCRIPTION :          

• A full stack Engineer who is well versed in React-Native ad IOS/ANDROID development. 
• Can Understand and develop REACT NATIVE and knows how to bridge. 
• Can update React-native version along with the primeware/library update. 
• Has experience in using react-native, redux, redux thunk. 
• Has developed programs using React components and knows how to re-use it. 
• Has an overall understanding on ANDROID/IOS/UI/UX design.
• Can develop external primeware API like Google firebase. 
• Can develop media player controller and PDF viewer.
• Has operated or distributed multi-lingual services and country based services.
• Can manage and distribute playstore/appstore.  
• Can maintain and manage the version through GIT.    

EXTRA QUALIFICATIONS :

• Can develop codes for modules, tests and maintenance. 
• Has experience distributing through Code-push.