Senior Systems Engineer, Watch Software

Responsibilities

• Build and optimize foundational watchOS software for device performance and power efficiency.
• Architect and implement system-level functionality such as process lifecycle management, memory reclamation, and 64-bit OS transitions.
• Diagnose and resolve significant power and performance issues in other teams’ code.
• Build and maintain tools for modeling and analyzing performance and memory.
• Conduct investigative research and prototype technologies for future hardware and software features.
• Collaborate with Performance, Power, OS, Hardware, firmware, framework, and application teams.

Requirements

• At least 8 years of industry experience.
• Deep technical understanding and hands-on experience with software development and lifecycle management.
• Experience with low-level operating-system systems, including kernels, Darwin, or drivers.
• Deep experience with power and performance measurement and investigation techniques.
• Strong computer science fundamentals.
• Excellent communication and interpersonal collaboration skills.
• Experience defining or contributing to application or systems architecture is preferred.
• Ability to work across hardware, sensors, firmware, frameworks, and applications is preferred.
• Additional experience in graphics, UI, or networking is preferred.
• Strong problem-solving and debugging skills, particularly for ambiguous or undefined problems, are preferred.