React Native Developer

Echo Base Global is a digital finance company creating an end-to-end crypto ecosystem built on Web3 technology. Echo Base drives interoperability across its products to create an integrated, user-first experience that simplifies the complexity of interacting with digital assets. Est. 2025. Echo Base seeks to leverage operational and technical synergies across its portfolio companies to drive innovation. Join our engineering team to craft high-performance, mission-critical interfaces that bring OmniWallet to life. As a member of this team, your focus is on delivering seamless, elegant, and secure client experiences across our entire product surface. What you'll be doing:

• Design, develop, and maintain high-quality mobile applications using React Native and TypeScript
• Lead architectural decisions and implementation of scalable, performant mobile features
• Collaborate closely with backend engineers, product managers, and product designers to deliver seamless mobile user experiences across iOS and Android
• Implement and uphold mobile-specific best practices around performance, navigation, accessibility, and testing
• Contribute to shared component libraries and mobile design systems
• Collaborate with other engineers and support code reviews, architecture discussions, and process improvements
• Optimize application performance, minimize load times, and enhance app responsiveness
• Integrate third-party web3 services and APIs to extend wallet functionality, such as authentication, transaction insights, connectivity, and blockchain data

Qualification/Requirements:

• 5+ years of experience in software development, with at least 3+ years focused on React Native
• Deep knowledge of JavaScript/TypeScript and React Native's core components and APIs
• Experience building and shipping cross-platform apps for both iOS and Android
• Familiarity with React Navigation, Redux Toolkit, MobX, or other state management libraries
• Experience integrating with RESTful APIs and WebSockets
• Proficiency with mobile testing frameworks (e.g., Detox, Jest, React Native Testing Library)
• Experience working with native modules or bridging native code (iOS/Android) when needed
• Understanding of mobile UX patterns, accessibility, and responsive design principles
• Excellent collaboration and communication skills across engineering, design, and product teams
• Understanding of mobile CI/CD and release pipelines (e.g., Fastlane, EAS, GitHub Actions)
• Familiarity with crypto wallets / DeFi mobile apps

Nice to have:

• Experience migrating to or working with the new React Native architecture (Fabric/TurboModules)
• Familiarity with OTA update tools like CodePush or Expo EAS
• Exposure to native iOS/Android development (Swift, Kotlin, Java)
• Contributions to open source or experience with building internal developer tooling
• Practical experience creating blockchain-enabled apps with real-world usage, such as crypto wallets, DeFi / NFT apps