Senior OS Software Engineer, Evaluation

Apple Inc

Confirmed live yesterday High trust

Quick summary

Work type: On-site
Location: Cupertino, CA
Salary: $150,400–$277,600 / yr
Posted: 148 days ago
Freshness: Confirmed live yesterday
Nearby: 99+ roles within 25 mi

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Salary context

Competitive pay

How this pay compares to similar roles

Similar $201k

This role $214k

$135k most similar roles pay here $293k

This role pays more than 65% of similar roles. Most pay $165,950–$236,300 — the shaded band above. At the midpoint, this role pays about $214k versus about $201k for comparable roles.

Based on 240 similar postings.

Employer

About Apple Inc

Apple Inc. is a multinational technology company known for designing and manufacturing consumer electronics, software, and online services, including the iPhone, Mac, iPad, and App Store. Industry: Consumer Electronics & Software

Apple Inc currently has 1984 open roles on FindRole.

Listed pay typically runs $175,000–$277,600 across 1590 roles with salary data.

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At a glance

TL;DR · Senior OS Software Engineer, Evaluation

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AIML - Sr OS Software Engineer, Evaluation will join the Experimentation team to build and extend a comprehensive experimentation system used across all Apple operating systems. This role focuses on developing the core on-device daemon and framework that enables feature teams to measure, understand, and improve products. The engineer will design new features and APIs, maintain high-performance libraries, and manage the full software development lifecycle including testing and debugging. Key responsibilities include optimizing for memory, power, and performance while ensuring a seamless developer experience. Candidates should possess expertise in Objective-C, Swift, C/C++, or Kotlin, alongside deep knowledge of operating system fundamentals like threading, synchronization primitives, inter-process communication, and scheduling. The role addresses the technical challenge of creating an infrastructure to accelerate AI adoption and foster an experimentation culture across various platforms.

Skills

Objective-C Swift C++ C iOS macOS Operating Systems System Design Architecture A/B Testing AI Threading Inter-process Communication Scheduling

What you'll do

Design and implement new features and APIs for the on-device Experimentation service across multiple operating systems.
Develop and maintain high-performance libraries that are easy for other developers to use.
Manage the full software development lifecycle including problem definition, design, implementation, testing, and debugging.
Diagnose and resolve complex issues across different layers of the software stack.
Write unit and integration tests for both new and existing codebases.
Optimize system performance with a specific focus on memory, power, and execution speed.
Lead technical design discussions and conduct peer code reviews to improve team output.

What we're looking for

A BS in Computer Science or related field with 7 years of experience, or a MS in Computer Science or related field with 5 years of experience.
Experience in Objective-C, Swift, C/C++, Kotlin, or similar programming languages.
Proficiency in system design and architecture.
Strong understanding of operating system fundamentals including threading, synchronization primitives, inter-process communication, and scheduling.
Proven ability to deliver production-grade operating system software.
Experience with iOS, macOS, or similar operating systems.
Skills in programming interface design.
Experience in experimentation, A/B testing, and AI.