Senior Mobile Developer (React Native)

Hyphen Connect Limited; Hong Kong; On-site; HKD 800,000 - 1,100,000; Full time

Job summary

Hyphen Connect Limited in Hong Kong is looking for a Mobile Engineering Lead to take ownership of their React Native architecture. This crucial role requires a visionary leader to ensure high-quality performance, mentor developers, and collaborate cross-functionally to deliver a seamless trading experience.

The ideal candidate will have over 8 years of mobile development experience, including significant React Native deployment experience. This position offers an exciting opportunity to influence the future of decentralized finance.

Qualifications

• 8+ years of professional mobile development experience (iOS, Android, or both).
• 3+ years of hands-on experience deploying and maintaining React Native applications.
• Strong background as a Tech Lead or Senior Engineer.

Responsibilities

• Architect, develop, and maintain high-performance React Native applications for iOS and Android.
• Drive high-level architecture decisions, establish coding standards, and implement best practices.
• Ensure code quality, stability, and scalability across the mobile codebase.

Skills

React Native expertise

Mobile development experience (iOS, Android)

Technical leadership

Performance optimization

Tools

Xcode

Android Studio

Gradle

CocoaPods

Job description

The company is the world’s first licensed hybrid decentralized exchange (DEX), on a mission to make wealth-building as natural as daily life. It is building a compliant, self-custodial platform for premium tokenized strategies—from crypto to alternative investments—on trusted infrastructure. They are seeking a seasoned Mobile Engineering Lead to take full ownership of their React Native architecture. This is a high-impact role designed for a technical visionary who can maintain a high engineering bar while mentoring a talented team of developers to deliver a seamless, high-performance trading experience.

Core Responsibilities

• Architecture & Development: Architect, develop, and maintain high-performance React Native applications for both iOS and Android platforms.
• Technical Leadership: Act as the primary technical lead for mobile, driving high-level architecture decisions, establishing coding standards, and implementing industry best practices.
• Engineering Excellence: Ensure superior code quality, stability, and scalability across the entire mobile codebase.
• Mentorship & Review: Lead rigorous code reviews and provide technical guidance and mentorship to mobile engineers to support their professional growth.
• Cross-Functional Collaboration: Partner closely with Product, Backend, Design, and QA teams to execute feature delivery from conception to deployment.
• Performance Optimization: Proactively identify and resolve bottlenecks, memory leaks, and stability risks to ensure a premium user experience.
• Workflow Innovation: Define and refine mobile development workflows, including testing strategies and CI/CD release processes.

Key Requirements

• Professional Experience: 8+ years of professional mobile development experience (iOS, Android, or both).
• React Native Expertise: 3+ years of hands-on experience deploying and maintaining React Native applications in production environments.
• Leadership Provenance: Strong background as a Tech Lead or Senior Engineer with a track record of owning mobile code quality.
• Mobile Fundamentals: Deep understanding of mobile architecture, memory management, and performance tuning.
• Tooling: Proficiency with native tooling, including Xcode, Android Studio, Gradle, and CocoaPods.
• Integration & Security: Extensive experience integrating REST APIs, managing complex authentication flows, and ensuring secure data handling.