iOS Software Development Engineer, Proactive - On-Device

As an Infrastructure Engineer on our team, you will play a critical role in supporting on-device systems and models that power Apple’s personal search capabilities. Our team owns models and engineering systems responsible for query understanding of users' questions about their personal content, with a focus on user privacy and efficiency. You’ll contribute to fast, scalable and privacy-preserving infrastructure, working closely with teams across NLP, application frameworks, and OS technologies. Your solutions will integrate with other Siri and Search capabilities to enable powerful user experiences. We value engineers who are passionate about infrastructure, enthusiastic about cross-functional collaboration, and motivated by the challenges of working at scale!

Designing and maintaining robust infrastructure for on-device search systems.
Building durable and reusable components with long-term evolution in mind.
Collaborating across teams to adapt and optimize ML/NLP technologies for Apple’s software stack.
Ensuring user privacy by using Apple’s secure and on-device architecture.

2+ years of experience in Swift, Objective-C, or C++
Experience designing and maintaining CI/CD pipelines
Strong scripting skills in Python, Bash, or similar
Proficiency in automating workflows and deployment tasks
Capable of analyzing and debugging large-scale systems and datasets
Bachelor’s degree in Computer Science or equivalent practical experience

Experience developing for Apple platforms
Familiarity with profiling tools and performance optimization techniques
Background in search, indexing, or natural language processing technologies
Experience working on privacy-preserving infrastructure and on-device ML

AI represents a unique opportunity to elevate Apple’s products and revolutionize the way hundreds of millions of people access information on their devices. Our team is pushing the boundaries of Apple Intelligence and innovative search technologies, all while running a low latency production service and keeping user privacy at the forefront.
We are looking for a software engineer to build and maintain infrastructure powering on-device search technologies across Apple's ecosystem. In this role, you'll collaborate with world-class teams in machine learning, natural language processing, and platform infrastructure to deliver private, fast, and intelligent user experiences. Your work will directly impact how users interact with information across iPhone, iPad, Mac, and more.

At Apple, base pay is one part of our total compensation package and is determined within a range. This provides the opportunity to progress as you grow and develop within a role. The base pay range for this role is between $147,400 and $272,100, and your base pay will depend on your skills, qualifications, experience, and location.

Apple employees also have the opportunity to become an Apple shareholder through participation in Apple’s discretionary employee stock programs. Apple employees are eligible for discretionary restricted stock unit awards, and can purchase Apple stock at a discount if voluntarily participating in Apple’s Employee Stock Purchase Plan. You’ll also receive benefits including: Comprehensive medical and dental coverage, retirement benefits, a range of discounted products and free services, and for formal education related to advancing your career at Apple, reimbursement for certain educational expenses — including tuition. Additionally, this role might be eligible for discretionary bonuses or commission payments as well as relocation. Learn more about Apple Benefits

Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.

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

At Apple, we believe accessibility is a fundamental human right. You’ll find that idea reflected in everything here — in our culture, our benefits and our digital tools. By welcoming as many perspectives as possible, we help you build a career where you feel like you belong.

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Apple accepts applications to this posting on an ongoing basis.