Join a high-impact engineering team to design and build core infrastructure and system components for a cutting-edge platform. You'll work closely with macOS runtime and system frameworks to solve complex systems-level problems in performance, reliability, and integration. Maintain the highest standards of code quality and engineering excellence while contributing to foundational platform development.
Key Responsibilities:
- Design and build core infrastructure and system components
- Work closely with macOS runtime and system frameworks
- Solve complex systems-level problems in performance, reliability, and integration
- Fix bugs and add new features to existing systems
- Improve platform reliability and performance
- Maintain high standards for code quality and engineering excellence
2+ years of experience as a macOS or iOS systems engineer (side projects and open source count)
Experience with reverse engineering on macOS or iOS systems in professional or project-based capacity
Deep knowledge of macOS internals including runtime, system frameworks, memory, and process model
Proficiency in Objective-C (strongly preferred) and/or C/C++
Familiarity with low-level Apple APIs, system frameworks, or private APIs
Uses AI coding tools as a productivity multiplier
Side projects, open source contributions, or built personal tools
Preferred:
Experience at Apple, especially on the iMessage team
Experience in side projects or startups
Experience with Swift and Rust