Senior Software Frameworks Engineer, Sensing & Connectivity

What you'll do

• Design, implement, and debug production systems in C, Objective-C, and Swift across multiple Apple platforms.
• Architect permission frameworks and strengthen privacy architecture against evolving threat vectors.
• Build foundational components that operate across various operating systems including iOS, macOS, and watchOS.
• Control how on-device models and intelligent features access sensitive user data.
• Design permission and consent frameworks specifically for AI-driven workflows.
• Enforce data minimization and sandboxing for on-device AI models.
• Build privacy-preserving on-device inference into systems from the ground up.
• Develop fault-tolerant error handling for long-running system daemons.

What we're looking for

• Proficiency in C, Objective-C, C++, or Swift.
• Experience designing system-level APIs and background daemons.
• Strong Unix-like systems programming knowledge.
• Experience building reliable daemons with robust lifecycle management and fault-tolerant error handling.
• 5+ years of professional software engineering experience.
• Experience in system architecture design for privacy or security software.
• Familiarity with relational database and local storage design.
• Ability to reason about the privacy and data-access implications of machine learning systems at the systems level.