Javascript Developer

4 days ago

Mumbai, Maharashtra, India CrossAsyst Infotech Private Limited Full time ₹ 6,00,000 - ₹ 18,00,000 per year

Role: React Native Developer

Experience: 5+ years

Location: Mumbai, BKC (WFO)

Position Overview:
We are looking for a skilled React Native Developer with 3–6 years of hands-on experience in building mobile applications for iOS and Android. The ideal candidate will have strong expertise in JavaScript/TypeScript, a good understanding of mobile UI/UX patterns, and the ability to integrate APIs and third-party libraries to deliver high-quality, scalable apps.

Key Responsibilities

● Develop and maintain cross-platform mobile applications using React Native.

● Collaborate with product managers, designers, and backend engineers to define, design, and ship new features.

● Write clean, maintainable, and well-documented code.

● Integrate RESTful APIs, GraphQL, and third-party SDKs.

● Optimize performance for maximum speed and scalability on both iOS and Android.

● Debug, identify bottlenecks, and fix bugs to ensure smooth performance.

● Participate in code reviews, contribute to best practices, and mentor junior team members where needed.

● Stay up to date with the latest React Native and mobile development trends. Required Skills & Experience

● 3–6 years of professional experience in mobile application development.

● Strong proficiency in React Native, JavaScript, and TypeScript.

● Experience with iOS and Android build tools (Xcode, Gradle, Android Studio).

● Solid understanding of state management (Redux, MobX, Recoil, or Context API).

● Experience integrating REST APIs / GraphQL and handling offline storage.

● Familiarity with Git, CI/CD pipelines, and agile methodologies.

● Understanding of mobile UI/UX principles and responsive design.

● Knowledge of native modules (Objective-C, Swift, Java, or Kotlin) is a plus.

Good to Have

● Experience with Firebase, push notifications, in-app purchases.

● Familiarity with testing frameworks like Jest, Detox, or Cypress.

● Knowledge of performance optimization tools and techniques.

● Prior experience in publishing apps to App Store / Google Play Store.

Qualifications

● Bachelor's degree in computer science, Engineering, or related field (or equivalent practical experience).

● Strong problem-solving skills, ownership mindset, and ability to work independently as well as in a team.

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