Job Description

Locations

• London, England, United Kingdom W1S 1YZ

Salary

Skills Required

• big-picture thinkingintermediate
• setting ambitious goalsintermediate
• understanding code impactsintermediate
• cross-disciplinary collaborationintermediate
• developing groundbreaking technologiesintermediate
• software engineeringintermediate
• building foundational virtualization technologiesintermediate
• kernel-level supportintermediate
• Hypervisor frameworkintermediate
• Virtualization frameworkintermediate
• low-level system softwareintermediate
• hardware-software co-designintermediate
• building robust systemsintermediate
• operating systemsintermediate
• computer architectureintermediate
• high-performance systemsintermediate
• designing kernel-level virtualization supportintermediate
• implementing kernel-level virtualization supportintermediate
• maintaining kernel-level virtualization supportintermediate
• developing featuresintermediate
• enhancing featuresintermediate
• implementing device emulationintermediate
• implementing bus emulation logicintermediate
• collaborating with hardware teamsintermediate
• writing high-quality codeintermediate
• writing well-tested codeintermediate
• writing maintainable code in C/C++intermediate
• designing test suitesintermediate
• implementing test suitesintermediate
• debugging complex issuesintermediate
• optimizing performance of virtual machinesintermediate
• working cross-functionallyintermediate
• code reviewsintermediate
• technical design discussionsintermediate

Required Qualifications

• Knowledge of Armv8 or Armv9 CPUs architectures. (experience)
• Knowledge of OS internals and system programming, device drivers, and memory management. (experience)
• Excellent C and C++ programming skills. (experience)

Preferred Qualifications

• Proficient in virtualization technologies. (experience)
• Skilled in kernel and device driver development. (experience)
• Familiar with Arm assembly programming. (experience)
• Knowledgeable in hardware virtualization. (experience)
• Well-versed in testing methodologies and designing testable systems. (experience)
• Strong collaborator with excellent written and verbal communication skills. (experience)

Responsibilities

• The Virtualization team is looking for a highly skilled and motivated software engineer to join our core development group. We are responsible for building the foundational virtualization technologies that power innovative features, enabling developers and users to run diverse operating systems and environments reliably on their Mac.
• As a member of this team, you will work at the heart of our virtualization stack, contributing to the kernel-level support, the Hypervisor framework, and the Virtualization framework. This is a unique opportunity to work on low-level system software, influence hardware-software co-design, and build highly reliable systems that are critical to the Apple ecosystem.
• If you are passionate about operating systems, computer architecture, and building robust, high-performance systems, we encourage you to apply.
• Key Responsibilities
• - Design, implement, and maintain kernel-level virtualization support for Apple platforms.
• - Develop and enhance features within Apple's Hypervisor and Virtualization frameworks.
• - Implement and improve device emulation and bus emulation logic to support a wide range of virtualized hardware.
• - Collaborate with hardware teams to integrate support for new virtualization-related features.
• - Write high-quality, well-tested, and maintainable code in C/C++.
• - Design and implement comprehensive test suites to ensure the reliability and correctness of virtualization components.
• - Debug complex issues spanning kernel, hypervisor, user-space, and guest operating system layers.
• - Optimize performance of virtual machines.
• - Work cross-functionally with other teams (e.g., drivers, frameworks, QA) to deliver integrated solutions.
• - Participate in code reviews and technical design discussions.

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