Senior iOS App Development Engineer - Services Special Project.

At Apple, we build products and services that enrich the everyday lives of millions of people around the world. Our Services team is at the forefront of delivering intelligent, delightful experiences powered by Generative AI. We are looking for a senior iOS frameworks engineer to design and build the foundational on-device systems that power features across Apple's services ecosystem — from daemons and frameworks to cloud synchronization and metrics infrastructure.

Description

As a senior member of the Services engineering team, you will own critical on-device framework and daemon components that enable Generative AI experiences across Apple platforms. This role is focused on platform-level engineering ie: building the systems, services, and infrastructure that sit beneath the UI layer and power intelligent features at scale.

Minimum Qualifications

Bachelor's or Master's degree in Computer Science or a related field
6+ years of software engineering experience on client-side or platform-level iOS systems
Strong proficiency in Swift and Objective-C, with experience shipping production-quality frameworks, daemons, or system APIs
Strong systems programming expertise, including concurrency, multithreading, memory management, and performance tuning
Understanding of systems-level concepts such as inter-process communication (XPC), process lifecycle management, and resource constraints
Experience integrating client applications with RESTful APIs and cloud services
Proficiency with development tools such as Xcode, LLDB, Instruments, and Git
Strong communication skills, including the ability to collaborate across a diversity of backgrounds and experiences
Highly organized, maintaining patience and composure to effectively operate within ambiguity

Preferred Qualifications

Experience with CloudKit or similar distributed data synchronization technologies
Experience designing and delivering libraries, frameworks, or public/internal APIs
Strong debugging skills across the OS stack — frameworks, daemons, and supporting services
Experience optimizing software for performance, energy efficiency, and resource constraints on mobile platforms
Familiarity with metrics and telemetry frameworks, including instrumentation, data collection pipelines, and analytics
Experience with AI/ML principles or developing software that interfaces with large language models
Experience with SQL and database technologies
Track record of mentoring engineers and driving technical direction within a team