Senior React Native Engineer - Cross-Platform Mobile

IO Tech Solutions Limited; Hong Kong; On-site; HKD 500,000 - 900,000; Full time

Job summary

IO Tech Solutions Limited is seeking a skilled React Native Engineer to design, build, and maintain high-performance, cross-platform mobile apps for iOS and Android. You will collaborate with product managers, UI/UX designers, and backend engineers to deliver smooth, native-feeling experiences.

The ideal candidate has 5+ years in production-ready RN apps, strong TS and state-management expertise, and hands-on experience with native build tools and release processes.

Qualifications

• 5+ years of professional software engineering experience with production-ready React Native apps.
• Deep understanding of state management tools (Redux Toolkit, Zustand, Context API).
• Experience with native build systems and IDEs like Xcode, Android Studio, Gradle.

Responsibilities

• Architect and build features, components, and user journeys using React Native and TypeScript.
• Integrate RESTful or GraphQL APIs with offline storage, caching, and sync.
• Diagnose performance bottlenecks, memory leaks, and UI rendering lag.
• Develop native modules or bridges for device hardware or platform APIs.
• Manage mobile release cycles including code signing, provisioning, and deployments via Expo, TestFlight, and Google Play.
• Write unit and integration tests using Jest or React Native Testing Library.

Skills

React Native

TypeScript

State management

Performance optimization

Tools

Xcode

Android Studio

Gradle

Job description

IO Tech Solutions Limited is seeking a skilled React Native Engineer to design, build, and maintain high-performance, cross-platform mobile apps for iOS and Android. You will collaborate with product managers, UI/UX designers, and backend engineers to deliver smooth, native-feeling experiences.

The ideal candidate has 5+ years in production-ready RN apps, strong TS and state-management expertise, and hands-on experience with native build tools and release processes.