> Markdown version of [/jobs/ext/4650155-senior-mobile-engineer-ios-android](https://www.wearedevelopers.com/jobs/ext/4650155-senior-mobile-engineer-ios-android). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Mobile Engineer, (iOS/Android) - **Company:** Coinbase, Inc. - **Location:** Washington, DC, United States - **Experience:** Expert - **Salary:** $186,065 - $218,900 - **Contract:** Permanent contract - **Skills:** IOS Applications, Apple IOS, Code Review, Mobile Application Software, Systems Integration, Swiftui, Kotlin, Jetpack Compose, React Native - **Published:** November 9, 2026 - **Apply:** https://www.juju.com/job/1_coinbase2-8088201 ## About the Role * 7+ years building production native mobile apps, with deep expertise in iOS (Swift/SwiftUI) or Android (Kotlin/Jetpack Compose) and strong working knowledge of the other. * A track record of shipping delightful, premium consumer apps known for polish, performance, and craft. * Strong, well-reasoned views on mobile architecture and design patterns, and experience laying out an app structure a team can scale on. * Demonstrated technical leadership: setting standards, driving large migrations or rewrites, and growing other engineers' skills. * Experience partnering closely with design and product on consumer-facing experiences. * Utilizes generative AI responsibly, maintaining human oversight to deliver business-ready outputs and drive measurable improvements in workflow efficiency, cost, and quality. ## Description We're looking for a senior native engineer to lead that transition: set the architecture and patterns the team will scale on, raise our quality bar to match the best premium consumer apps, and help a team of strong React Native engineers become confident native contributors. *What you'll do:* * Lead the architecture and execution of the Card app's rewrite from React Native to native iOS and Android, including module structure, navigation, state management, design-system integration, and testing. * Define and champion native patterns and standards in Swift/SwiftUI and Kotlin/Jetpack Compose that the team can learn from and scale on. * Build flagship card experiences natively with the polish, performance, and attention to detail of best-in-class consumer apps. * Drive an incremental migration plan so the rewrite lands without stalling feature delivery. * Mentor React Native engineers into confident native contributors through design reviews, pairing, and code review. * Partner with design and product to raise the quality of the experience, not just ship the spec.