Lead React Native Engineer

Job Title: React Native Lead Engineer
Location - Parsippany, NJ - 3 days/week from office

Key Responsibilities

• Lead the design, development, and deployment of advanced React Native applications using modern frameworks and best practices.
• Architect scalable and maintainable mobile solutions with a focus on performance, modularity, and reusability.
• Collaborate with cross-functional teams including product, design, and backend engineering.
• Drive adoption of React Native s new architecture, ensuring optimal performance and seamless native integrations.
• Mentor and guide development teams, ensuring adherence to coding standards and best practices.
• Troubleshoot and resolve complex technical challenges across mobile platforms.

Required Skills & Qualifications

Modern React Native Expertise

• Strong experience with React Native s new architecture including Fabric and TurboModules
• Hands-on expertise with Hermes engine optimization and debugging
• Proficiency in TypeScript-first development
• Experience with React 18 features (Concurrent Rendering, Suspense, Transitions)
• Advanced UI development using Reanimated (v2/v3) and Gesture Handler
• Exposure to libraries such as React Native Skia, VisionCamera, and MMKV, including JSI/C++ integrations

Platform / OS Programming Exposure

• Experience building custom native modules using Swift, Kotlin, Objective-C, or Java
• Strong understanding of platform APIs (Intents, Share Extensions, background tasks)
• Knowledge of app lifecycle, threading, and background services
• Experience implementing push notifications (FCM/APNs)
• Exposure to hardware integrations (Bluetooth, NFC, sensors, geolocation/geofencing)
• Understanding of mobile security practices (Keychain, Keystore, biometrics, secure storage)
• Experience with in-app purchases, App Clips, or Instant Apps

Performance & Architecture

• Proficiency with debugging and profiling tools such as Flipper and Systrace
• Strong knowledge of memory management, JS thread optimization, and bundle size optimization
• Experience implementing CodePush and OTA updates
• Expertise in large-scale architecture (modular design, monorepos, TurboRepo)

System-Level / Advanced Integrations

• Experience with deep linking, universal links, and dynamic routing
• Strong focus on app startup optimization (TTI, bundle splitting)
• Experience implementing Headless JS or background services
• Knowledge of accessibility and localization at scale
• Implementation of dynamic theming and OS appearance APIs

Modern Ecosystem Awareness

• Exposure to React Native across platforms such as Windows, macOS, WearOS, or VisionOS
• Experience integrating third-party SDKs (e.g., Firebase, analytics, experimentation tools)
• Knowledge of feature flags and A/B testing frameworks
• Hands-on experience with CI/CD pipelines (Fastlane, Bitrise, App Center)

Preferred Qualifications

• Experience leading mobile engineering teams or large-scale projects
• Strong problem-solving and system design skills
• Excellent communication and stakeholder management abilities

Role Expectations

• Act as a technical leader driving innovation in mobile architecture
• Ensure high-quality code, performance, and user experience
• Stay updated with the evolving React Native ecosystem and industry trends

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Asher Williams
Desk: 2o1.497.1o1o X:1o5 | Direct: 551.272.o129
asher (at) pullskill dot com