Senior Mobile Engineer - Instrumentation SDK (iOS)

📋 Description

• Build and evolve mobile instrumentation SDKs for iOS (Swift / Obj-C), prioritizing performance
• Design and ship SDK features such as session tracking, crash reporting, sampling strategies
• Own projects end-to-end.
• Break large, ambiguous problems into incremental deliverables: design modular solutions, ship MVPs
• Ensure quality: automated tests, CI, documentation, and smooth, backwards-compatible upgrade paths.
• Collaborate cross-functionally with backend, frontend, product, and solutions engineering to ensure

🎯 Requirements

• Strong mobile engineering experience: with iOS (Swift/Obj-C) and, optionally, Android (Kotlin/Java).
• Demonstrated experience building or maintaining mobile SDKs, platform libraries, or other
• Experience working with performance-sensitive code (startup time, memory, network efficiency) and
• Familiarity with OpenTelemetry (instrumentation, SDKs, collectors) or experience contributing
• Excellent written and verbal communication.
• Comfortable working in a fully remote, globally distributed team.

🎁 Benefits

• 100% Remote, Global Culture – As a remote-only company, we bring together talent from around the
• Scaling Organization – Tackle meaningful work in a high-growth, ever-evolving environment.
• Transparent Communication – Expect open decision-making and regular company-wide updates.
• Innovation-Driven – Autonomy and support to ship great work and try new things.
• Open Source Roots – Built on community-driven values that shape how we work.
• Empowered Teams – High trust, low ego culture that values outcomes over optics.