Apple

OS Performance Engineer (AI Feature Performance)

Apple
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11 hours ago
Cupertino, CA, USAMid Level
H1B sponsor

Responsibilities

  • Optimize the performance, responsiveness, and efficiency of AI features across Apple platforms.
  • Advise feature and hardware teams on architecture, performance, capacity, and product planning decisions.
  • Write code for feature optimizations and testing automation.
  • Build analysis pipelines and simulation tools to support quantitative decision-making.
  • Transform performance data into actionable insights through analysis, modeling, and visualization.
  • Collaborate across software, hardware, and product stakeholders to influence technical and strategic decisions.

Requirements

  • Bachelor's degree in Computer Science, Electrical Engineering, Statistics, Mathematics, or a related quantitative field, or equivalent professional experience.
  • Proficiency in programming languages used for OS systems development, data analysis, and modeling, such as Python, R, SQL, C, C++, Objective-C, or Swift.
  • Working knowledge of modern AI/LLM systems, AI/LLM model architecture, and operating system fundamentals.
  • Ability to analyze raw data, build models, create visualizations, and produce actionable insights.
  • Strong problem-solving, critical-thinking, written communication, verbal communication, and cross-functional collaboration skills.
  • Preferred qualifications include an M.S. or Ph.D., experience shipping high-performance LLM-based AI features, performance modeling, capacity planning, computer architecture evaluation, and knowledge of CPU and memory architectures.
  • Preferred experience includes performance analysis tools and methodologies, cross-functional project leadership, strategic product or business decision-making, and Unix, Linux, macOS, or iOS development or performance optimization.

Tech Stack

CC++iOSLinuxmacOSObjective-CPythonRSQLSwift

Categories

Data Science
Apple

About Apple

10,000+ employees

Apple designs and sells consumer electronics, software, and services for consumers and professionals worldwide, including iPhone, Mac, iPad, Apple Watch, and AirPods, plus platforms like iOS/macOS and services such as the App Store, iCloud, Music, and TV+. Its business combines device sales with services and subscriptions and in-house silicon design. Founded in 1976, Apple is headquartered in Cupertino, California, and trades on NASDAQ as AAPL.

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