Binance.US

Senior Software Engineer, Frontend – Flutter/iOS

Binance.US

full-time

Posted on:

Location Type: Remote

Location: Remote • 🇺🇸 United States

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Salary

💰 $200,000 - $220,000 per year

Job Level

Senior

Tech Stack

AndroidDartFirebaseFlutteriOSKotlinSwift

About the role

  • Maintain, enhance, and support our production native iOS application written in Swift.
  • Collaborate on the design and development of a new Flutter/Dart codebase, ensuring performance and scalability.
  • Build cross-platform mobile features in partnership with Android engineers, backend developers, and product teams.
  • Contribute to shared tooling, CI/CD pipelines, and deployment workflows.
  • Uphold high engineering standards and best practices throughout the hybrid mobile migration.
  • Troubleshoot and resolve integration, compatibility, and performance issues in both native and cross-platform stacks.
  • Provide mentorship to fellow mobile engineers, especially on iOS and native integrations.

Requirements

  • 5+ years of professional mobile development experience, including 3+ years of iOS development using Swift.
  • At least 1-2 years of hands-on experience with Flutter/Dart or demonstrated ability to adopt new cross-platform technologies.
  • Experience supporting production iOS apps through multiple OS cycles.
  • Understanding of platform interoperability, including Flutter platform channels and native SDK integration.
  • Proficiency in CI/CD and release workflows: Fastlane, App Store Connect, TestFlight.
  • Familiarity with performance monitoring tools like Xcode Instruments, Flutter DevTools, and Firebase.
  • Strong architectural judgment, especially in platform migrations or codebase rewrites.
  • Bonus: Exposure to Android development (Kotlin) and full cross-platform transitions.
Benefits
  • Unlimited PTO (for salaried FTE roles); 12 weeks fully paid Parental Bonding Leave.
  • Mental wellness benefits; free 1:1 virtual visits with a licensed mental wellness professional; comprehensive competitive health benefits.
  • Fully remote, cameras-on culture with work-from-home equipment reimbursements available to new hires.
  • Annual professional development budget; free 1:1 virtual visits with a career coach; 401k plan with employer match.

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
iOS developmentSwiftFlutterDartCI/CDFastlaneApp Store ConnectTestFlightXcode InstrumentsFirebase
Soft skills
collaborationmentorshiptroubleshootingproblem-solvingarchitectural judgment