Apple

Apple

Posted via Apple Careers

Staff Machine Learning Engineer - Ads Auction

Always Hiring

Posted Aug 13, 2026

Role at a glance

Salary
$184.7K – $324.8K/yr
Location
Cupertino, California, United States
Work arrangement
On-site
Employment
Full-time
Experience
8+ years of experience working in online advertising, marketplace design, or large-scale recommendation/auction systems
Education
Masters in Economics, Operations Research, Machine Learning, Statistics, Control Theory, Forecasting, Optimization, Reinforcement...

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Role Summary

AI-generated

This role designs and develops the core auction system for Apple Ads, supporting advertising across Apple Services including the App Store, Apple News, and MLS Season Pass. The work focuses on marketplace optimization, ad recommendations, and scalable advertising solutions serving advertisers, publishers, developers, and Apple users.

What You'll Do

  • Design, analyze, and optimize the core auction system powering the advertising platform
  • Develop production code to generate high-quality ad recommendations
  • Conduct large-scale and complex experiments to understand business effects
  • Lead the development and application of advanced techniques and algorithms to improve the ad network
  • Work with product management, business leadership, and cross-functional partners to prioritize an innovation roadmap and deliver...

Generated from the employer's posting. Verify important details before applying.

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Qualifications

8+ years of experience in online advertising, marketplace design, or large-scale recommendation/auction systems; strong background in auction theory, mechanism design, optimization, statistics, or machine learning; ability to implement research concepts in production-quality code; experience defining testable research hypotheses and designing online experiments; ability to communicate R&D objectives and results to cross-functional and executive stakeholders; experience contributing to or reviewing research for top conferences and publications; deep fluency in Java or Python; experience with Spark, Hadoop, or other distributed frameworks; master's degree or equivalent industry experience in a related field.

Required

  • 8+ years of experience working in online advertising, marketplace design, or large-scale recommendation/auction systems
  • Strong background in auction theory, mechanism design, optimization, statistics, or machine learning
  • Ability to apply and implement research concepts, ultimately in production quality code
  • Experience defining clear, testable research hypotheses, including intended impact on the business
  • Deep knowledge of design of experiments, online experimentation approaches, preferably at scale
  • Ability to formulate and advocate for R&D objectives and results to cross-functional team members including executive business...
  • Experience contributing and/or reviewing research for top conferences and publications
  • Deep fluency in Java or Python

Preferred

  • Experience in ads optimization, recommendations, or search relevance optimization
  • PhD in Economics, Operations Research, Machine Learning, Statistics, Control Theory, Forecasting, Optimization, Reinforcement Learning

Original job description

Content provided by the employer

Summary

At Apple, we focus deeply on our customers’ experience. Apple Ads brings this same approach to advertising, helping people find exactly what they’re looking for and helping advertisers grow their businesses. Our technology powers ads and sponsorships across Apple Services, including the App Store, Apple News, and MLS Season Pass.

Everything we do is designed for trust, connection, and impact: We respect user privacy, integrate advertising thoughtfully into the experience, and deliver value for advertisers of all sizes—from small app developers to big, global brands. Because when advertising is done right, it benefits everyone.

We are seeking a self-motivated individual that will build out the next generation of our ads platforms and ensure that Apple provides the most relevant and high quality ads experience while maintaining a healthy marketplace.

The ideal candidate has a strong background in auction theory, applied machine learning, and large-scale systems, along with hands-on experience building and optimizing auction-based ad delivery systems in production. You will have an excellent understanding of scalable architectures and thrive working in Agile environments.

Description

In this role, you are responsible for designing the core auction system that powers our advertising platform to drive optimal outcomes for advertisers, users, and our platform. You will have the opportunity to build the next generation solutions for marketplace optimization that enable driving optimal value for multiple stakeholders in the system. You will have the opportunity to apply your ability to move the state of the art techniques in a fast growing business that positively impacts publishers, developers and Apple users at global scale. The ability to be a great teammate under tight deadline constraints is key to success.

Responsibilities

You will be responsible for designing, analyzing, and optimizing the core auction system that powers our advertising platform, develop production code to generate high quality ad recommendations and work closely with business partners to help drive the development of new products as well as perform large scale and complex experiments to understand their effects.
You will drive strategic outcomes through substantial innovation in multiple fields by leading the development and application of advanced techniques and algorithms to improve our ad network.
You have, or will develop a deep understanding of the ad network behavior, and will work with product management and business leadership to prioritize an innovation roadmap across multiple technical domains.
You will lead the conception, development, and delivery of state of the art capabilities that differentiate our products and are core to our business.
You will work with a variety of cross functional business partners to set strategy and bring end-to-end solutions that scale as we grow.

Minimum Qualifications

8+ years of experience working in online advertising, marketplace design, or large-scale recommendation/auction systems
Strong background in auction theory, mechanism design, optimization, statistics, or machine learning.
Ability to apply and implement research concepts, ultimately in production quality code
Experience defining clear, testable research hypotheses, including intended impact on the business
Deep knowledge of design of experiments, online experimentation approaches, preferably at scale
Ability to formulate and advocate for R&D objectives and results to cross-functional team members including executive business leadership and product management
Experience contributing and/or reviewing research for top conferences and publications
Deep fluency in Java or Python.
Experience with Spark, Hadoop or other distributed frameworks.
Masters in Economics, Operations Research, Machine Learning, Statistics, Control Theory, Forecasting, Optimization, Reinforcement Learning or related field with experience building production systems or have equivalent experience working with large data science / machine learning projects in industry.

Preferred Qualifications

Experience in ads optimization, recommendations, or search relevance optimization is highly preferred
PhD in Economics, Operations Research, Machine Learning, Statistics, Control Theory, Forecasting, Optimization, Reinforcement Learning

Pay & Benefits — Cupertino, California, United States

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 $184,700 and $324,800, 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.

Application Deadline

Apple accepts applications to this posting on an ongoing basis.

Apple

About the company

Apple

Large Enterprise

Apple Inc. is a global technology company known for its innovative products and services, including the iPhone, iPad, Mac computers, and Apple Watch. Founded in 1976, Apple has continuously pushed the boundaries of design and functionality, earning a reputation for high-quality consumer electronics and software solutions like iOS and macOS. With a strong commitment to user experience and privacy, Apple also leads in digital services, offering platforms such as the App Store, Apple Music, and iCloud. The company's focus on sustainability and corporate responsibility further enhances its standing as a leader in the technology sector.