Senior MacOS Internals Lead Engineer

We are seeking a Senior macOS Internals Lead Engineer to drive the development of low-level security and compatibility functionality for macOS applications. The role involves leading a team of engineers, reverse engineering OS behavior, and owning key system-level components. The ideal candidate is hands-on, deeply familiar with macOS internals, and willing to mentor others.

Requirements

• 7+ years of systems programming experience with a focus on macOS internals, frameworks, and security
• Proven track record of delivering complex macOS features to productions with hands on coding in C++, Swift, Objective-C
• Advanced skills in reverse engineering MacOS components using tools like Ghidra, Frida, IDA, Hopper, lldb or other tools of your choice
• Strong understanding of macOS security mechanisms, including TCC, SIP, Gatekeeper
• Experience with debugging complex architectures on MacOS (system extensions, endpoint security, network extensions, launch services, XPC)

Benefits

• Salary
• Holidays