Consultant Reactive Programming react JS - W2 Only

Consultant Reactive Programming react JS - W2 Only

Work Location: Boca Raton, FL 33432 **Onsite**

Contract duration: 12

Role Summary

We are looking for a Senior React Native Developer with 6+ years of hands-on mobile application development experience to design, build, optimize, and maintain scalable cross-platform mobile applications for iOS and Android. The ideal candidate should have strong expertise in React Native, JavaScript/TypeScript, mobile performance optimization, state management, API integration, cloud services, native modules, and CI/CD automation.

Key Responsibilities

· Develop, enhance, and maintain high-quality cross-platform mobile applications using React Native for iOS and Android platforms.

· Build reusable, responsive, and performance-optimized mobile UI components using React Native, React.js, React Navigation, Flexbox, and mobile-first design principles.

· Implement and manage application state using Redux Toolkit, Redux Saga, Zustand, Context API, and Redux Persist.

· Integrate mobile applications with RESTful APIs and GraphQL services, ensuring reliable data flow, error handling, and optimized network performance.

· Work on mobile performance tuning, including reducing re-renders, improving startup time, optimizing screen rendering, lazy loading, and battery usage improvement.

· Develop and integrate custom native modules using Kotlin/Java for Android and Swift/SwiftUI for iOS, including support for modern React Native architecture concepts such as Turbo Modules and JSI.

· Implement mobile backend and cloud integrations using Firebase, AWS services, serverless APIs, push notifications, analytics, crash reporting, and cloud messaging.

· Configure and maintain CI/CD pipelines for mobile build, test, and deployment automation using GitHub Actions, Fastlane, Azure Pipelines, Expo/EAS, and GitHub Secrets.

· Perform debugging, crash analysis, code reviews, unit testing, integration testing, and end-to-end testing using tools such as Crashlytics, Jest, Detox, and Cypress.

· Collaborate with product, design, backend, QA, DevOps, and architecture teams in an Agile environment to deliver secure, scalable, and user-friendly mobile solutions.

Required Skills

· 6+ years of experience in mobile application development with strong expertise in React Native.

· Strong proficiency in JavaScript, TypeScript, JSX, React.js, React Native, Redux Toolkit, Zustand, Context API, and React Navigation.

· Hands-on experience with iOS and Android development, including Android Studio, Xcode, Kotlin, Swift, SwiftUI, and Jetpack/Jetpack Compose.

· Experience integrating REST APIs, GraphQL APIs, Firebase services, AWS cloud services, and mobile backend services.

· Strong knowledge of mobile app performance optimization, debugging, crash monitoring, secure configuration management, and production issue resolution.

· Experience with CI/CD setup for mobile applications, including build automation, release management, environment configuration, and app deployment workflows.

· Familiarity with Expo SDK, EAS, Fastlane, Git, GitHub Actions, Azure DevOps/Pipelines, and Agile delivery practices.

· Good understanding of mobile UI/UX standards, accessibility, reusable component architecture, testing practices, and scalable application design.

Preferred Qualifications

· Experience with cloud-native/serverless backend integrations using AWS Lambda, API Gateway, S3, EC2, CloudWatch, RDS/DynamoDB, or Firebase.

· Exposure to advanced React Native architecture, native bridge optimization, Turbo Modules, JSI, and modern mobile release pipelines.

· Experience mentoring junior developers, participating in code reviews, and improving engineering best practices.

Education

· Bachelor’s or Master’s degree in Computer Science, Engineering, Information Technology, Data Science, or a related technical discipline.

Top 3 responsibilities you would expect the Subcon to shoulder and execute React Native IOS Androoid