ML Engineer - Experimentation, Portal

Cupertino, California, United States Software and Services

At Apple, we believe in the power of technology to enrich people's lives. Everything we build is designed to empower people, including our advertising platform. We deliver ads in a way that benefits both customers and advertisers — helping people discover content, supporting creators, and protecting and respecting everyone’s privacy. Our technology makes advertising possible on the App Store, Apple News, Stocks, and Apple TV.

Everything we do is with the unwavering commitment to privacy you expect from Apple. Because when advertising is done right, it benefits everyone.

The Ads ML Experimentation team is looking for a full‑stack ML Engineer to help shape the future of how Apple's advertising systems experiment to connect millions of global users to content from publishers and developers. You'll build intuitive interfaces that transform complex statistical concepts and ML workflows into seamless user experiences, making advanced experimentation and AI accessible to teams across Apple Ads.

This role requires partnering with cross‑functional teams to effectively coordinate the complex interdependencies inherent in application development. A successful candidate has strong technical skills and is eager to create intuitive user experiences; they have a keen eye for the details that surprise and delight our customers.

• Experience designing and implementing intuitive, responsive user interfaces with data visualization libraries
• Strong understanding of data structures and algorithms for optimization
• Experience designing, implementing, and iterating on intuitive user interfaces
• Experience building and deploying RAG Machine Learning models to production using data processing tools
• Experience with A/B Testing infrastructure and/or methodologies
• Proficiency with database design and database languages (SQL) to build applications
• Experience with alerting and observability tools (Data Dog, Splunk) to monitor production systems
• Skilled at operating in a cross‑functional organization
• Ability to condense complex concepts and projects into clear, actionable takeaways
• Excellent communication and presentation skills with a curious business attitude
• Desire to work in a fast‑paced, challenging environment with cross‑functional ownership

• Degree in Computer Science, Statistics, Applied Math or related field

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 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 reimbursement for certain educational expenses—including tuition. Additionally, this role might be eligible for discretionary bonuses or commission payments as well as relocation.

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.