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Canary Technologies

Senior Mobile SDK Engineer

Senior engineer building and maintaining iOS and Android mobile SDKs for external hotel brand integrations, plus contributing to first-party staff apps. Requires 5+ years of mobile experience, proven SDK delivery, strong API design, and excellent documentation skills.

United StatesMobile EngineeringRemote5+ YOE
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About the role

Responsibilities

  • Own the design, development, and maintenance of Canary’s mobile SDKs (iOS and/or Android) that power guest and staff experiences for large hotel brands
  • Create best-in-class developer experiences: clear APIs, robust samples, documentation, and upgrade paths
  • Build features and UI components for our first-party staff apps with a focus on reliability and performance
  • Partner with Product and Design to scope, sequence, and ship customer-impacting work
  • Collaborate with Backend and Platform teams to define mobile-server contracts and observability
  • Establish SDK versioning, release processes, and semantic change management
  • Improve code quality through testing, automation, and thoughtful architecture
  • Participate in code reviews and mentor other engineers
  • Drive operational excellence including monitoring, logging, crash analytics, and on-call readiness

Requirements

  • 5+ years building mobile applications or SDKs on iOS or Android, with deep expertise in Swift or Kotlin
  • Proven experience designing, shipping, and supporting public SDKs consumed by external developers
  • Strong grasp of API design, modular architecture, semantic versioning, and backward-compatibility strategies
  • Proficiency with mobile fundamentals: networking, concurrency, persistence, security, and performance optimization
  • Experience with mobile package managers and build systems (Swift Package Manager, CocoaPods, Gradle/Maven, Xcode Cloud, fastlane, or similar CI)
  • Quality mindset: unit and UI testing, automation, crash analytics, and observability best practices
  • Excellent written communication skills to produce samples and docs that make integration fast and painless
  • Self-starter who thrives in ambiguity and partners closely with Product to deliver business impact

Nice-to-Haves

  • Experience on both iOS and Android, or cross-platform frameworks (React Native, Flutter, KMP)
  • Backend familiarity in Python and cloud services such as AWS
  • Experience building for enterprise customers and handling release management at scale

Skills

SwiftKotliniOSAndroidSwift Package ManagerCocoapodsGradleMavenXcode CloudFastlaneAPI DesignModular ArchitectureSemantic VersioningNetworkingConcurrency

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