Senior React Native Developer

4 weeks ago

Kolkata, India QuCatalyst Corporate Services LLP Full time

Company Description

QuCatalyst is a trusted strategic consulting and execution partner, helping organizations harness the power of smart outsourcing. We focus on reducing the Cost of Poor Quality (CoPQ), streamlining operations and accelerating digital transformation with precision and purpose. Our initiatives ensure alignment with business goals, timelines and budget.

Role Description:

We are seeking a highly skilled Senior React Native Developer with 5+ years of experience in mobile application development for one of our premium clients in KOLKATA. The ideal candidate will have strong expertise in React Native, JavaScript/TypeScript and mobile performance optimization. You will be responsible for developing, maintaining and improving cross-platform mobile applications while ensuring high quality user experiences.

Location:
Kolkata, West Bengal (Onsite, Full-time)

Responsibilities:

  • Develop & Maintain high-performance React Native applications for iOS and Android.
  • Optimize Performance by ensuring smooth UI interactions, fast loading times, and efficient memory usage.
  • Integrate APIs and third-party libraries, including RESTful APIs, Firebase, and other backend services.
  • Work with Native Modules (Swift/Kotlin/Objective-C/Java) to enhance React Native functionalities when needed.
  • Collaborate with Teams including UI/UX designers, product managers, and back-end developers to deliver high-quality applications.
  • Ensure Code Quality by writing clean, maintainable, and scalable code following best practices.
  • Debug & Troubleshoot issues, perform root cause analysis, and implement effective solutions.
  • Stay Updated with the latest React Native trends, best practices, and emerging technologies.
  • Mentor & Guide junior developers, conduct code reviews, and enforce coding standards.

Requirements:

  • 5+ years of experience in mobile development with at least 3+ years in React Native.
  • Strong expertise in JavaScript, React Native, Redux, and React Hooks.
  • Experience with Mobile App Architecture (MVC, MVVM, Clean Architecture).
  • Knowledge of Native Development in Swift, Kotlin, Java, or Objective-C is a plus.
  • Proficiency in API Integration (REST, Firebase, WebSockets).
  • Experience with State Management (Redux, MobX, Context API).
  • Familiarity with CI/CD Pipelines, Fastlane, App Store & Google Play deployments.
  • Experience with Unit Testing & Automated Testing (Jest, Detox, React Native Testing Library).
  • Hands-on experience with Push Notifications (Firebase Cloud Messaging, APNs).
  • Experience with Git and version control best practices.
  • Familiarity with Agile/Scrum methodologies.
  • Strong problem-solving skills and ability to work in a fast-paced environment.

Nice to have:

  • Experience with React Native Reanimated & Gesture Handler for advanced animations.
  • Knowledge of App Security & Data Encryption.
  • Experience with Web3 & Blockchain Mobile Applications (optional).

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