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

• Build pixel-perfect, buttery smooth UIs
• Leverage native APIs for deep integrations
• Diagnose and fix bugs and performance bottlenecks for performance that feels native.
• Maintain code and write automated tests to ensure the product is of the highest quality

Requirements

• 2+ years of relevant industry experience in React Native
• A deep understanding of JavaScript
• Familiarity with video recording, playback, and uploading libraries
• Experience with Native Android app deployment
• Familiarity with modern front-end build pipelines and tools
• Familiarity with RESTful APIs
• Familiarity with code versioning tools (such as Git)

Stealth AI Labs looking for a Lead iOS engineer with 6+ years of experience in app development. We need someone urgently, you will be starting next week or asap.

If you currently have a full-time job and want to work Part Time we are ok.

You will be building the app from Scratch based on Figma designs. You will be a part of the founding engineering team. We are working on a cutting-edge technology stack. You will get the opportunity to work on a massive scale project and very complex problems which will help you grow as an engineer. Our restful backend is built in Golang which can handle millions of concurrent users.

Please include your portfolio of iOS apps you have developed

Requirements:

• Experience building iOS apps or apps used by millions of users is a MUST
• We have hard deadlines, speed of development is essential and we want someone who is delivery oriented
• We will be using Swift for the development
• Attention to detail for performance optimization and benchmarking
• Knowledge of reducing app size, minimizing app launch time, skeleton loading
• Write well documented & maintainable code
• Implement automated testing and unit tests for the code you write
• Self-starter mentality who can pick up new skills & can work independently

• Must have at least 1 years experience in front-end development.
• Knowledge of Javascript /React Native / Redux .
• Loves writing code, actively experimenting along with learning new things.
• Passionate about Frontend Development and continually follow the platform & innovations.
• Have an eye for good UI/UX -Proficient with algorithms and data structures. -Keen on problem solving and able to perform in a start-up culture with challenging deadlines

• Should have programming experience on the iOS native platform.
• Adept in Swift language.
• Familiarity with RESTful APIs to connect iOS applications to back-end services.
• Strong coding, data structures and algorithms.
• Should have a working knowledge on various libraries available for iOS.
• Familiarity with XCode and other Developer tools.
• Deep understanding of software engineering practices, Object Oriented Analysis.
• Obsession with quality and customer experience.
• Understanding of design and architecture is an added advantage.

We are currently looking to hire a Software Developer to join our dynamic team. We noticed your profile and we believe your skills and expertise are a better match for this role.

• Strong proficiency in JavaScript, React and React native. 
• Familiarity with native build tools, like XCode, Android Studio
• Good understanding of UI/UX, app preformation, memory optimisation, delivery feasibility, coding best practices, design principles.
• Understanding of mobile applications development (Deployment and release process, Building, architectures, design patterns, release etc.)
• Experience with React JS state management libraries such as Redux or Mobx
• Experience with ES6, typescript and common front-end development tools such as Babel, Webpack, NPM, Yarn etc.
• Knowledge of RDBMS/NoSQL databases. 

• B.Tech/BCA/MCA degree in Computer Science, Engineering or a related subject

 Expert experience developing multiple commercial-grade mobile applications iOS using native languages (Objective-C / Swift, Xcode or Java).

- Demonstrated knowledge of best practices for IOS or Android. Strong experience developing multithreaded applications.

- Solid knowledge of mobile OS architecture - in areas of: UI, memory management, data storage, application management by OS and cybersecurity.

- Experience with charting of data (scientific or medical data is preferred), either custom-developed or third-party charting libraries.

- Experience with UI development of mobile application (scalable for different screen resolutions and localization).

- Demonstrate initiative in all areas of work - proactive in identifying shortfalls in requirements, design or code.

- Experience working with continuous integration.

- Experience working with cross-functional teams.

- Excellent communications skills (verbal and written). High-quality SDD/design and implementation documentation skills a must.

- Experience with unit-testing and test automation preferred.

- Must have apps published in either Apple/Google store.

Requirements and Qualifications:

- Bachelor’s degree or higher in computer science, information technology or related field

- Evidence of continuing education, such as technical certifications, a plus

- Minimum 7 years’ experience in Information Technology field

- Minimum 4 years’ experience in mobile application development

- Prior experience working in an FDA regulated environment, a plus

- Ability to work in high-pressure, deadline driven environment

Note : Please do share link of the Mobile App developed on Live in Apple store.