LeethubLeethub
JobsCompaniesBlog
Go to dashboard

Leethub

Curated tech jobs from FAANG and top companies worldwide.

Top Companies

  • Google Jobs
  • Meta Jobs
  • Amazon Jobs
  • Apple Jobs
  • Netflix Jobs
  • All Companies →

Job Categories

  • Software Engineering
  • Data, AI & Machine Learning
  • Product Management
  • Design & User Experience
  • Operations & Strategy
  • Remote Jobs
  • All Categories →

Browse by Type

  • Remote Jobs
  • Hybrid Jobs
  • Senior Positions
  • Entry Level
  • All Jobs →

Resources

  • Google Interview Guide
  • Salary Guide 2025
  • Salary Negotiation
  • LeetCode Study Plan
  • All Articles →

Company

  • Dashboard
  • Privacy Policy
  • Contact Us
© 2026 Leethub LLC. All rights reserved.
Home›Jobs›Apple›OS Performance Engineer - CoreOS Performance Team
Apple

About Apple

The personal technology company redefining user experience

🏢 Tech, Hardware👥 1001+ employees📅 Founded 1976📍 Cupertino, CA⭐ 4.2
B2CB2BHardwareSaaSTelecommunicationseCommerce

Key Highlights

  • Market cap of $3 trillion as of 2022
  • Over 1 billion active devices worldwide
  • Comprehensive medical plans including mental healthcare
  • Paid parental leave and gradual return-to-work program

Apple Inc. (NASDAQ: AAPL), headquartered in Cupertino, CA, is the world's most valuable company with a market capitalization of $3 trillion as of 2022. Known for its iconic products such as the iPhone, iPad, and Mac, Apple serves over 1 billion active devices globally. The company has a strong commi...

🎁 Benefits

Apple offers comprehensive medical plans covering physical and mental healthcare, paid parental leave, and a gradual return-to-work program. Employees...

🌟 Culture

Apple's culture emphasizes an obsessive focus on user experience and consumer privacy, setting it apart from competitors. The company promotes inclusi...

🌐 Website💼 LinkedIn𝕏 TwitterAll 4783 jobs →
Apple

OS Performance Engineer - CoreOS Performance Team

Apple • Cupertino, California, United States

Posted 2 months ago🏛️ On-SiteMid-LevelPerformance engineer📍 Cupertino
Apply Now →

Job Description

The OS Performance team at Apple is seeking an exceptional Systems Engineer to drive performance excellence across Apple's software and hardware ecosystem. This role involves working across the full software stack—from high-level applications and frameworks to low-level kernel components—ensuring that Apple delivers world-class performance on supported products. The position presents diverse challenges spanning from optimizing performance on currently supported hardware to unleashing the full potential of cutting-edge next-generation products. As a Systems Engineer on this team, you will have the opportunity to make a direct impact on the user experience for millions of customers worldwide by ensuring every device, regardless of generation, delivers the smooth, responsive experience Apple customers expect.

Description

In this role, you will dive deep into performance issues surfaced across Apple's ecosystem and will be working with cross-functional partner teams from various apps and frameworks to decipher complex system conditions that impact performance and develop solutions to resolve them. You'll have the opportunity to drive innovative performance optimization ideas from conception to delivery, develop measurement tools and analysis frameworks, and create testing methodologies that reflect real-world usage. The ideal candidate will be someone who is self-motivated and enjoys debugging complex systems, with a natural curiosity for understanding how different components interact and impact overall performance.

Minimum Qualifications

Bachelor's degree in Computer Science, related technical field or equivalent professional experience Strong understanding of OS fundamentals Proficiency in C/C++ or other System programming language Experience in Systems Engineering Ability to collaborate across teams to drive development and performance optimizations

Preferred Qualifications

Strong understanding of computer architecture, compilers and low-level programming languages Experience with kernel development Experience in performance analysis, optimization, and debugging Experience with performance profiling tools and methodologies Excellent communication, teamwork and organizational skills

Responsibilities

Review performance metric trends Investigate logs/traces to Identify bottlenecks and potential focus areas Work with engineering teams to come up with solutions Prototype fixes in various codebases showcasing performance improvements

Eeo Content

Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics. Learn more about your EEO rights as an applicant.

Interested in this role?

Apply now or save it for later. Get alerts for similar jobs at Apple.

Apply Now →Get Job Alerts