Senior Mobile Developer (React Native)

Reposted One Month Ago
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Korea, KY, USA
In-Office
Senior level
Agency • Artificial Intelligence • Blockchain • Web3
The Role
Lead architecture, development, and maintenance of high-performance React Native apps for iOS and Android. Drive technical decisions, enforce code quality and CI/CD workflows, optimize performance and memory, integrate secure APIs and authentication, and mentor mobile engineers while collaborating with Product, Backend, Design, and QA to deliver features.
Summary Generated by Built In

About the Company

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.

  • Technical Mastery: Expert-level knowledge of TypeScript/JavaScript and a commitment to clean code principles.

  • 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.

Skills Required

  • 8+ years professional mobile development experience (iOS, Android, or both).
  • 3+ years hands-on experience deploying and maintaining React Native apps in production.
  • Proven experience as a Tech Lead or Senior Engineer owning mobile code quality.
  • Expert-level knowledge of TypeScript and JavaScript.
  • Deep understanding of mobile architecture, memory management, and performance tuning.
  • Proficiency with native tooling: Xcode, Android Studio, Gradle, CocoaPods.
  • Extensive experience integrating REST APIs and managing complex authentication flows.
  • Experience ensuring secure data handling in mobile applications.
  • Experience defining testing strategies and CI/CD release processes for mobile.
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The Company
7 Employees
Year Founded: 2024

What We Do

Hyphen Connect is a Web3 and AI talent agency and crypto-integrated software solutions provider that connects blockchain, DeFi, NFT, and AI companies with specialized technical and go-to-market talent globally and remotely. They deliver headhunting, data-driven research, and recruitment services across infrastructure, exchanges, gaming, and DeFi projects, plus industry analysis and hiring insights to help clients build engineering and product teams.

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