Senior iOS SDK Engineer

• Design, build, and maintain a modular Swift SDK used across all Apple platforms.
• Implement core instrumentation features including crash reporting, hang detection, performance monitoring, and telemetry capture.
• Build resilient data pipelines for offline storage, batching, retries, and efficient delivery under strict mobile runtime constraints.
• Shape SDK architecture and API design, ensuring clarity, stability, and long-term backward compatibility.
• Debug complex platform issues involving threading, memory, lifecycle behavior, and OS/device fragmentation.
• Develop capture services for networking, user interactions, and system events using frameworks like MetricKit.
• Optimize performance across startup time, binary size, memory usage, and thread safety.
• Collaborate with cross-platform SDK teams (React Native, Flutter, Unity) to prevent downstream breaking changes.
• Contribute to OpenTelemetry alignment and upstream standards work.
• Partner with Product and Customer Success to incorporate developer feedback into the SDK roadmap.

• Hands-on SDK or framework experience, building libraries used by other developers.
• Should be familiar with Swizzling, Memory management, & Multi-threading.
• Deep knowledge of Apple runtime behavior - memory, threading, lifecycle, and startup performance.
• Strong production debugging skills across diverse devices and OS versions.
• API design experience, including versioning and long-term evolution.
• Understanding of binary compatibility and ABI stability.
• Comfort with Git and modern CI/CD pipelines.
• Openness to AI-assisted engineering workflows

• Familiarity with Swift macros or Swift Syntax tooling.
• Knowledge of OpenTelemetry or observability concepts (traces, spans, logs).
• Experience supporting multiple Apple platforms from a shared codebase.Exposure to system frameworks like MetricKit or MXDiagnostic.
• Ability to work in a multi-SDK ecosystem (React Native, Flutter, Unity).
• Open-source contributions.
• Experience supporting external developers or SDK users.

• Competitive base salary + EQUITY!
• Unlimited PTO
• Medical, Dental, & Vision Insurance
• Parental leave for BOTH parents
• Annual company trip :-)
• Internet stipend
• Home office setup
• Opportunities for learning & growth

Benefits

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  This job was first posted by CyberCoders on 07/18/2026 and applications will be accepted on an ongoing basis until the position is filled or closed.Everforth CyberCoders is proud to be an Equal Opportunity Employer

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, sexual orientation, gender identity or expression, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, status as a crime victim, disability, protected veteran status, or any other characteristic protected by law. Our hiring process includes AI screening for keywords and minimum qualifications, and a virtual recruiter as part of the application process. A human recruiter reviews all results. Click here for details on our virtual recruiter . Everforth CyberCoders will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable state and local law, including but not limited to the Los Angeles County Fair Chance Ordinance, the San Francisco Fair Chance Ordinance, and the California Fair Chance Act. Everforth CyberCoders is committed to working with and providing reasonable accommodation to individuals with physical and mental disabilities. Individuals needing special assistance or an accommodation while seeking employment can contact a member of our Human Resources team at Benefits@CyberCoders.com to make arrangements.