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OS Performance Engineer

Apple | San Diego, CA

Posted Date 6/24/2025
Description Imagine what you can do here. Apple is a place where extraordinary people gather to do their lives best work. Together we create products and experiences people once couldn’t have imagined, and now, can’t imagine living without. It’s the diversity of those people and their ideas that inspires the innovation that runs through everything we do.

Description

APPLE INC has the following available in San Diego. Analyze and ?x challenging performance problems in software for various user facing workloads in order to provide the best in class experience on Apple products. Engage with other engineering teams from ?rmware, kernel, applications and hardware teams to gain a deep understanding of problem domains through technical discussions and strong collaboration. Propose architectural changes, optimizations and o?er solutions to end to end responsiveness issues. Develop tools to pro?le and analyze performance issues across the software stack for user facing scenarios. Develop telemetry and analytics to understand performance trends from the ?eld across products and software releases. Evaluate and optimize performance of new products and features in software for a great user experience. 40 hours/week. At Apple, base pay is one part of our total compensation package and is determined within a range. This provides the opportunity to progress as you grow and develop within a role. The base pay range for this role is between $135,400 - $204,000/yr and your base pay will depend on your skills, qualifications, experience, and location. PAY & BENEFITS: Apple employees also have the opportunity to become an Apple shareholder through participation in Apple’s discretionary employee stock programs. Apple employees are eligible for discretionary restricted stock unit awards, and can purchase Apple stock at a discount if voluntarily participating in Apple’s Employee Stock Purchase Plan. You’ll also receive benefits including: Comprehensive medical and dental coverage, retirement benefits, a range of discounted products and free services, and for formal education related to advancing your career at Apple, reimbursement for certain educational expenses — including tuition. Additionally, this role might be eligible for discretionary bonuses or commission payments as well as relocation. Learn more about Apple Benefits: https://www.apple.com/careers/us/benefits.html. Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.

Minimum Qualifications

  • Bachelor's degree or foreign equivalent in Computer Science, Computer Engineering, Electrical Engineering or related field.
  • Education and/or experience with the following skills is required:
  • Using C, C++, Assembly to debug and ?x speci?c performance issues in the software stack
  • Demonstrating hardware and software interactions, Operating Systems and Kernel and Firmware Abstraction experience to root cause challenging systemic issues manifesting as performance problems
  • Using Compilers and linkers to optimize loading of libraries and frameworks
  • Building real-Time kernel for doing scheduler and Virtual Memory optimizations using C
  • Writing device drivers to debug low level performance issues involving hardware and software
  • Debugging frame rate and video transcoding throughput issues
  • Developing tools in Python to interact with machine readable formats or APIs

Preferred Qualifications

  • N/A
Salary135,400.00 - 204,000.00 Annual

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