Senior React Native Engineer

About Us Quantum HR is a premier human resources consulting firm dedicated to connecting exceptional talent with leading organizations worldwide. We specialize in providing bespoke recruitment solutions, leveraging deep industry insights and a global network to help companies build high-performing teams by matching them with professionals who truly fit their needs and culture. About the Role We’re hiring a Senior Mobile Engineer (React Native) to build and scale our client mobile app—used by field inspectors to execute tasks, complete dynamic forms, and collaborate in real time. You’ll play a key role in developing a schema-driven form renderer engine and delivering a high-performance, offline-first mobile experience across iOS and Android. This is a senior IC role with strong ownership over mobile architecture, performance, and developer experience. Key Responsibilities Build and maintain high-quality mobile applications using React Native and TypeScript Extend and optimize a schema-driven form renderer engine Develop offline-first features (sync, local storage, conflict resolution) Implement real-time collaboration and task management features Optimize app performance (rendering, re-renders, scroll performance, memory usage) Handle platform-specific challenges across iOS and Android Build reusable, scalable components within a design system Ensure reliability (logging, crash handling, error states) Collaborate with backend, frontend, and QA teams 3–5 years of mobile development experience (2+ years with React Native) Strong understanding of React Native internals (JS thread, UI thread, bridging) Strong TypeScript and JavaScript fundamentals (closures, async behavior, state management) Experience building scalable, reusable components and design systems Solid understanding of performance optimization in mobile apps Experience handling cross-platform mobile challenges (iOS & Android) Degree in Engineering or Computer Science Nice to Have Experience with schema-driven UI or dynamic form rendering systems Experience building offline-first mobile applications Familiarity with Expo Experience publishing apps to Apple App Store and Google Play Exposure to React (web) or cross-platform ecosystems High-impact role in a product at a key scaling stage Work on a platform used by enterprise clients in real-world operations Strong growth trajectory toward global expansion and Gartner recognition Competitive package paid in USD