osapiens

Senior iOS SDK Engineer

osapiens

full-time

Posted on:

Location Type: Hybrid

Location: Mannheim • Germany

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Job Level

Senior

Tech Stack

AndroidAzureiOSJavaObjective-CReactReact NativeSwiftTypeScript

About the role

  • Design, build, and maintain native iOS modules in Swift that expose platform capabilities (offline sync, background processing, device integrations) to React Native applications
  • Own the React Native bridge layer, including Objective-C bridging headers and native module architecture
  • Optimize SDK performance with focus on memory management, battery efficiency, and startup time
  • Stay current with iOS platform evolution (new APIs, Swift language features, Xcode tooling) and integrate relevant capabilities into the SDK
  • Build and maintain automated test suites and CI/CD pipelines in Azure DevOps
  • Collaborate with app development teams to understand their needs and provide excellent developer experience
  • Contribute to SDK documentation and versioning strategy

Requirements

  • Strong proficiency in Swift and the iOS SDK (UIKit/SwiftUI, Core Data, networking, background execution)
  • Experience building frameworks, libraries, or SDKs consumed by other developers
  • Familiarity with React Native native module development (or willingness to learn quickly)
  • Solid understanding of memory management, threading, and performance optimization on iOS
  • Experience with Xcode build systems, code signing, and distribution
  • English is our working language; fluency in written and spoken English is required.
  • Nice to Have
  • Experience with Objective-C and Swift/ObjC interoperability
  • Knowledge of TypeScript and React Native architecture
  • Experience with offline-first mobile architectures and data synchronization
  • Familiarity with CI/CD for mobile (Azure DevOps, Fastlane, or similar)
  • Experience with Android/Java and/or Windows/Objective-C development
Benefits
  • A purpose-driven mission with and for global industry pioneers in tackling complex challenges
  • Room for creativity through collaborative teamwork and an open communication culture
  • Flexibility and team bonding with our hybrid work options
  • Fuel for your growth journey, both personally and professionally
  • Sustainable mobility options, promoting eco-friendly commuting solutions
  • Fun team events and outings with our global teams
  • Inspiring workspaces in Mannheim and beyond
Applicant Tracking System Keywords

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

Hard Skills & Tools
SwiftiOS SDKUIKitSwiftUICore DataReact Nativememory managementperformance optimizationXcodeCI/CD
Soft Skills
collaborationdeveloper experiencecommunicationproblem-solving