Syndica

As a Senior iOS Engineer, you will design and deliver performant, scalable mobile features for Web3-powered tools and apps. You will collaborate closely with design and backend teams to ensure a seamless user experience. | The ideal candidate has over 5 years of professional iOS development experience and deep expertise in Swift and Apple's frameworks. A strong foundation in mobile architecture and a passion for creating intuitive UI/UX experiences are essential. | About us: Syndica supplies the most critical applications in Web3 with enterprise-grade RPC infrastructure and developer tools tailored for the Solana ecosystem. Joining our team means you'll be held to a high standard, technically challenged, and grow close to a group of individuals passionate about building new infrastructure technologies. We are backed by strategic partners, investors, and advisors who are all-in on our mission: Chamath Palihapitiya of Social Capital, Steve Jang of Kindred Ventures, Joe McCann of Asymmetric, Jump Crypto, Coinbase Ventures, Solana Ventures, Circle Ventures, and many more. About you: You're an experienced iOS engineer who thrives in high-impact environments where architecture, performance, and user experience are critical. You’ve built and scaled mobile applications for large user bases and know how to make them fast, reliable, and sleek. 5+ years of professional iOS development experience, with production apps used at scale. Deep expertise in Swift, UIKit and/or SwiftUI, with a strong understanding of Apple’s frameworks, system APIs, and best practices. A strong foundation in mobile architecture and design patterns (MVC, MVVM, VIPER, etc.). Experience architecting modular, testable, and performant iOS codebases from the ground up. A passion for crafting beautiful, fluid, and intuitive UI/UX experiences. Solid understanding of data handling, background threading, caching strategies, and persistence (e.g., Core Data, SQLite). Experience with instrumentation and tooling for performance analysis, crash reporting, and continuous monitoring. Proven ability to ship quickly without sacrificing stability, polish, or scalability. Clear communication skills and comfort working closely with designers and cross-functional teams. A Bachelor’s degree in Computer Science or equivalent practical experience. Standout Experience: Led architecture or re-architecture of a high-scale, user-facing mobile app. Worked in fast-paced, product-driven environments like Stripe, Coinbase, or Robinhood. Familiarity with Web3 technologies, Solana wallets, or cryptographic integrations on mobile. About the role: As a Senior iOS Engineer, you’ll take ownership of designing and delivering performant, scalable, and sleek mobile features for our Web3-powered tools and apps. You’ll work closely with design and backend teams to build a seamless user experience for developers and end users alike. Key responsibilities: Architect and implement high-quality iOS features with an emphasis on performance and scalability. Own mobile performance, from launch time and memory usage to smooth interactions and responsiveness. Define and maintain patterns and frameworks to keep the codebase scalable and efficient. Integrate with REST/GraphQL APIs and implement robust data handling, including offline support and caching. Collaborate with designers to deliver pixel-perfect, platform-native UI. Contribute to developer tooling, CI/CD pipelines, testing strategies, and documentation. Drive best practices across the engineering team. What does success in this role look like? In three months, you’ve led the implementation of core features, contributed to architectural decisions, and driven improvements in performance and code quality. In six months, you’ve led a major performance upgrade or refactor, contributed to product planning, and established iOS best practices. In twelve months, you’ve helped define the long-term vision for our mobile platform, led large-scale architecture initiatives, and ensured the app scales with our growing user base.

Architect, design, and implement scalable mobile features in React Native, optimize performance, integrate APIs, debug production issues, and contribute to mobile architecture and tooling. | 5+ years of mobile development experience with production React Native and native iOS apps, strong UI/UX skills, API integration expertise, and a Bachelor’s degree in Computer Science or equivalent. | About us: Syndica supplies the most critical applications in Web3 with enterprise-grade RPC infrastructure and developer tools tailored for the Solana ecosystem. Joining our team means you'll be held to a high standard, technically challenged, and grow close to a group of individuals passionate about building new infrastructure technologies. We are backed by strategic partners, investors, and advisors who are all-in on our mission: Chamath Palihapitiya of Social Capital, Steve Jang of Kindred Ventures, Joe McCann of Asymmetric, Jump Crypto, Coinbase Ventures, Solana Ventures, Circle Ventures, and many more. About you: You're a seasoned mobile engineer who thrives in a fast-paced, collaborative environment and loves crafting exceptional user experiences. 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. Standout Experience: 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. About the role: As a Senior React Native Engineer, you'll play a key role in building and scaling mobile experiences that enable developers and users to interact with Web3 infrastructure effortlessly. You’ll be responsible for shipping high-quality, high-performance apps—with special attention to startup time, interaction smoothness, and codebase maintainability. You’ll collaborate with a cross-functional team to define, build, and refine features that are fast, intuitive, and robust. Key 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. What does success in this role look like? In three months, you've become a core contributor, leading critical features with a focus on UX and speed. You're familiar with the codebase, shipping confidently, and offering thoughtful input in architecture discussions. In six months, you're driving core mobile projects from idea to execution, improving app speed, polish, and reliability. You’re mentoring others and actively raising the quality bar. In twelve months, you're shaping the long-term direction of the mobile platform, championing scalable architecture, and improving app performance at scale.