IOS Software Development Engineer, Proactive Device

iOS Software Development Engineer, Proactive - On-Device

Santa Clara, California, United States Software and Services

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.

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!

• Design robust infrastructure for on‑device search systems.
• Build durable and reusable components with long‑term evolution in mind.
• Collaborate across teams to adapt and optimize ML/NLP technologies for Apple’s software stack.
• Ensure 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.

• 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.

At Apple, base pay is one part of our total compensation package and is determined within a range. 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 have the opportunity to become shareholders via discretionary employee stock programs, purchase Apple stock at a discount through the Employee Stock Purchase Plan, and receive benefits including comprehensive medical and dental coverage, retirement benefits, a range of discounted products and free services, educational expense reimbursement, discretionary bonuses or commission payments, and relocation assistance.

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.

Apple accepts applications to this posting on an ongoing basis.