About the company
The Binance Exchange is a leading cryptocurrency exchange founded in 2017 in Hong Kong. It features a strong focus on altcoin trading. Binance offers crypto-to-crypto trading in more than 600 cryptocurrencies and virtual tokens, including Bitcoin (BTC), Ether (ETH), Litecoin (LTC), Dogecoin (DOGE), and its own token Binance Coin (BNB).
Job Summary
About the role:
The Sr. Software Engineer, Frontend (Flutter/iOS) is part of the Engineering team at Binance.US. You will be responsible for supporting the transition of the mobile platform from native iOS and Android to a unified Flutter/Dart codebase. You will partner with Android engineers, backend engineers, designers, and product managers to deliver high-quality mobile solutions and ensure continuity and stability during the platform migration.
Responsibilities:
šMaintain, enhance, and support the production native iOS application written in Swift. šCollaborate on the design and development of a new Flutter/Dart codebase, ensuring performance and scalability. šBuild cross-platform mobile features in partnership with Android engineers, backend developers, and product teams. šContribute to shared tooling, CI/CD pipelines, and deployment workflows. šUphold high engineering standards and best practices throughout the hybrid mobile migration. šTroubleshoot and resolve integration, compatibility, and performance issues in both native and cross-platform stacks. šProvide mentorship to fellow mobile engineers, especially on iOS and native integrations.
Requirements:
š5+ years of professional mobile development experience, including 3+ years of iOS development using Swift. šAt least 1-2 years of hands-on experience with Flutter/Dart or demonstrated ability to adopt new cross-platform technologies. šExperience supporting production iOS apps through multiple OS cycles. šUnderstanding of platform interoperability, including Flutter platform channels and native SDK integration. šProficiency in CI/CD and release workflows: Fastlane, App Store Connect, TestFlight. šFamiliarity with performance monitoring tools like Xcode Instruments, Flutter DevTools, and Firebase. šStrong architectural judgment, especially in platform migrations or codebase rewrites.
Nice-to-have: šExposure to Android development (Kotlin) and full cross-platform transitions.
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