Senior React Native Engineer

Summary

Join Syndica, a company providing enterprise-grade RPC infrastructure and developer tools for the Solana ecosystem, as a Senior React Native Engineer. You will build and scale mobile experiences enabling effortless interaction with Web3 infrastructure. Responsibilities include architecting, designing, and implementing fast, scalable, and reliable mobile features in React Native, collaborating with design for pixel-perfect interfaces, and leading performance optimization efforts. You will write clean, testable, and maintainable code, integrate APIs, debug production issues, and contribute to mobile architecture and standards. Success involves becoming a core contributor within three months, driving core projects within six months, and shaping the long-term direction of the mobile platform within twelve months. The ideal candidate is a seasoned mobile engineer with 5+ years of experience, strong iOS focus, and deep React Native expertise. A passion for UI/UX and experience with Web3 integrations are also highly valued.

Requirements

• 5+ years of mobile development experience with production apps at scale, ideally with a strong iOS focus
• Deep experience with React Native, and proficiency with the nuances of native iOS development
• Built or maintained apps in production with a high volume of users
• A passion for beautiful, responsive, and intuitive UI/UX, with an eye for smooth interactions and fast load times
• Solid understanding of mobile architecture, component design, and performance optimization
• Experience managing data flow, asynchronous logic, and API integrations (e.g., REST, GraphQL, caching)
• A track record of shipping quickly while maintaining a high bar for code quality and product polish
• Excellent communication skills and comfort working across engineering, design, and product
• A Bachelor’s degree in Computer Science or equivalent practical experience

Responsibilities

• Architect, design, and implement fast, scalable, and reliable mobile features in React Native
• Work closely with design to create pixel-perfect, platform-consistent interfaces
• Lead performance optimization efforts, including rendering performance, app startup, and interaction latency
• Write clean, testable, and maintainable code that scales with our user base
• Integrate APIs and manage data across app screens, including caching, loading states, and error handling
• Debug and fix production issues, track metrics, and help improve the overall reliability of the mobile app
• Contribute to mobile architecture, development standards, and tooling decisions
• Document decisions, patterns, and systems for internal and external audiences

Preferred Qualifications

• Experience building offline-first features or persistent app state with tools like AsyncStorage or SQLite
• Worked at developer-tooling companies or mobile-first teams (e.g., Stripe, Coinbase, Robinhood)
• Experience with Web3 integrations (e.g., Solana wallets, secure transactions, or dApp connectivity)
• Led large mobile initiatives, greenfield app builds, or major performance refactors