Senior Mobile Engineer

We’re looking for a Senior / Staff Mobile Engineer (React Native) to lead the development of our on-chain wallet app. You’ll own end-to-end delivery: building high-performance UI, integrating blockchain SDKs, and shipping to iOS App Store / Android Play Store.

This is a dynamic role in a fast-paced blockchain environment, ideal for someone embracing ownership and autonomy to grow with us. You’ll work closely with product manager, designer, backend and blockchain engineers to bring secure and smooth user experiences to life.

• Lead the mobile app architecture (React Native managed by Expo + EAS Build) and feature delivery.
• Integrate blockchain SDKs, APIs, and authentication.
• Maintain performant, reliable UI on both iOS and Android.
• Implement and optimize native modules (Swift/Kotlin) as needed.
• Ensure release stability through CI/CD and code reviews.

• Familiarity with Swift or Kotlin.
• Comfortable diving into source code of emerging technologies to understand core principles and apply insights in practice.
• Proven track record shipping apps used by large user bases.
• Strong sense of design quality and attention to detail.
• Fluent in English and Chinese.
• (Bonus) Experience with blockchain SDKs, wallets, or Web3 libraries (privy, viem, etc).

• Mission-Driven, Collaborative, and Innovative Environment:Join a team united by a shared vision, working with like-minded individuals and cutting-edge technology to advance Ethereum and blockchain innovation.
• Remote Flexibility:Enjoy a fully autonomous, ownership-driven job nature with the freedom to work from anywhere. You can reimburse up to $200 USD monthly co-working space stipend. To support your global lifestyle, you’ll be hired as an independent contractor and can choose to be paid in your preferred fiat currency or USDC, based on agreed-upon options.