Senior iOS SDK Engineer

AccelOne

full-time

Posted on: 1/5/2026

Location Type: Remote

Location: Argentina

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About the role

We are looking for a Senior iOS SDK Engineer to design, develop, and maintain an iOS SDK written primarily in Swift, enabling internal and partner applications to integrate seamlessly with our APIs.
This is a platform/SDK engineering role focused on stability, performance, memory efficiency, and developer experience.

Design, develop, and maintain the iOS SDK using Swift.
Build SDK APIs that wrap REST services for event reporting and personalization.
Ensure SDK stability, performance optimization, memory efficiency, and safe behavior within host applications.
Own SDK versioning, releases, and backward compatibility.
Build, publish, and maintain SDK distribution using CocoaPods, supporting migration to Swift Package Manager (SPM).
Develop and maintain unit and integration tests to validate SDK behavior.
Maintain SDK documentation and developer integration guides.
Collaborate cross-functionally with Backend, Android, and Web/React Native SDK engineers.

Benefits

5+ years of native iOS development experience with strong proficiency in Swift.
Proven experience building and maintaining iOS SDKs, frameworks, or reusable libraries.
Strong understanding of iOS memory management, performance optimization, and platform constraints.
Solid experience consuming REST APIs, including authentication, retries, and error handling.
Experience with iOS dependency management tools (CocoaPods); familiarity with Swift Package Manager (SPM).
Proficiency with Git and CI/CD pipelines.
Experience migrating iOS SDKs from CocoaPods to Swift Package Manager.
Experience distributing binary frameworks (XCFrameworks).

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

iOS SDK developmentSwiftREST APIsCocoaPodsSwift Package Managerunit testingintegration testingperformance optimizationmemory efficiencyversioning

collaborationcross-functional teamworkcommunication