Senior MacOS Internals Lead Engineer
Location
, , spain, , , spain
Job Type
Full-time
Category
Ingeniería y tecnología
Posted
June 02, 2026
As a Senior macOS Internals Lead Engineer you will drive the development of low-level security and compatibility functionality. You will lead a team of exceptional engineers while remaining deeply hands-on writing code, reverse engineering OS behavior, and directly owning key system-level components.
What You Will Do
- Design and implement security features using macOS frameworks such as Endpoint Security and Network Extensions
- Reverse engineer macOS internals and application interactions to enhance product compatibility and security
- Develop, debug, and optimize complex system-level code in C++, Swift, and Objective-C, adhering to secure coding best practices
- Investigate and resolve issues related to macOS system extensions, launch services, XPC, and sandboxing
- Act as a force multiplier by reviewing team designs and code, offering architectural direction, and coaching team members on best practices
- Document t...