Apple
Senior Software Engineer, watchOS System Spaces
$135K–$278K
Boulder, Colorado +1 · Senior · Full-time · Posted Jul 30, 2026
- Location
- Boulder, Colorado
Cupertino, California - Experience
- 6+ years of software development experience.
- Education
- Solid computer science fundamentals; a specific degree or concentration is not required.
About the job
Build and optimize reliable, always-running watchOS system software, including notifications, alerts, app launch, and interfaces used by other teams.
What you'll do
- Design, implement, and ship watchOS system capabilities and shape interfaces for other teams.
- Own reliability across process and device boundaries; diagnose failures using logs and traces on shipping hardware.
- Improve system architecture and optimize latency, memory footprint, and power use.
What they ask for
- 6+ years of software development experience.
- Experience building or maintaining systems software, such as daemons and services, inter-process communication, concurrency, or embedded environments.
- Experience diagnosing failures across process or device boundaries.
- Proficiency with Swift and Objective-C.
Nice to have
- Experience with low-level software on constrained hardware or multi-device/distributed systems.
- Familiarity with operating system internals, including process lifecycle and networking; thoughtful use of GenAI coding tools.
Pay
$150,400 and $277,600 (USD, base salary); $134,700 and $249,500 (USD, base salary)
Tools
Swift, Objective-C
AI focus
Use GenAI coding tools thoughtfully to accelerate development without compromising clarity or craft.
Model-written summary · the original posting is authoritative