Apple

OS Software Engineer, Evaluation

Apple
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1 day ago
Cupertino, CA, USAEntry Level
H1B sponsor

Responsibilities

  • Design and implement new features and APIs for the on-device Experimentation service across Apple operating systems.
  • Develop and maintain high-performance libraries that are easy for developers to use.
  • Participate in problem definition, design, implementation, testing, debugging, and the broader software development lifecycle.
  • Diagnose and resolve issues across different layers of the software stack.
  • Write unit and integration tests for new and existing code.
  • Collaborate with cross-functional teams to enable developer and product features.
  • Consider how operating system and platform design affects end-user experience.

Requirements

  • Working proficiency in Objective-C, Swift, C, C++, Kotlin, or similar languages.
  • Strong academic foundation in operating systems concepts, including concurrency, multithreading, synchronization primitives, inter-process communication, and memory management.
  • Hands-on low-level or systems software development experience through internships, academic capstones, coursework labs, or substantial open-source or personal projects.
  • Excellent problem-solving, debugging, and communication skills, with effective collaboration experience in team or group-project settings.
  • Bachelor’s degree in Computer Science, Computer Engineering, or a related technical discipline, or equivalent practical experience.
  • Preferred: software engineering internship experience in systems software, embedded platforms, or platform engineering.
  • Preferred: exposure to Unix/POSIX APIs, event loops or run loops, and system daemons or services.
  • Preferred: experience with iOS, macOS, or similar operating systems.
  • Preferred: experience in experimentation or A/B testing and AI.
  • Preferred: master’s degree in Computer Science, Computer Engineering, or a related technical discipline, or equivalent practical experience.

Tech Stack

CC++iOSKotlinmacOSObjective-CSwift

Categories

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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