macOS Developer

We are seeking a highly skilled Mac OS Storage Driver Developer contractor with expertise in developing SCSI-based storage drivers using Apple s modern DriverKit framework. In this role, you will design, develop, and maintain macOS user-space storage drivers that facilitate robust and efficient integration of SCSI storage devices with the operating system. You will work closely with hardware and software engineering teams to deliver secure, performant, and reliable storage driver solutions., * Develop and maintain macOS storage drivers with a focus on SCSI protocols using the DriverKit framework.

• Collaborate with hardware engineers to understand SCSI device specifications and design drivers that seamlessly interface with macOS.
• Implement storage driver functionalities including command handling, data transfer, error recovery, and performance optimizations.
• Debug and troubleshoot driver issues leveraging macOS debugging tools like LLDB and Instruments.
• Ensure driver compliance with Apple s security, sandboxing, and code signing requirements.
• Develop and maintain test plans, documentation, and quality assurance procedures for storage drivers.
• Participate in code reviews and maintain high code quality and best practices.
• Provide technical support during driver integration, deployment, and production troubleshooting.

• A Bachelor s or Master s degree in Computer Science, Electrical Engineering, or a related discipline.
• Proven expertise in developing macOS storage drivers, specifically SCSI-based drivers using the DriverKit framework.
• Strong proficiency in C/C++ programming; knowledge of Swift or Objective-C is a plus.
• Deep understanding of DriverKit APIs, macOS user-space driver architecture, and IO Kit storage concepts.
• Solid knowledge of SCSI protocols, commands, and storage architecture including RAID.
• Experience with debugging and profiling tools on macOS (LLDB, Instruments, system logs).
• Familiarity with macOS security model, driver sandboxing, and code signing procedures.
• Knowledge of hardware interfaces (PCI, Thunderbolt, USB) relevant to storage devices.
• Excellent problem-solving ability and effective communication skills.
• Ability to work independently and collaboratively in an Agile environment.

Preferred Qualifications:

• Experience with Agile methodologies and SCRUM frameworks.
• Cross-platform storage driver development experience.
• Knowledge of user-space driver and daemon interaction models.
• Familiarity with continuous integration systems and automated testing strategies.

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