Machine Learning Engineer – Ads Predictions
Job Summary
Job Description
Apple Ads is seeking a skilled Machine Learning Engineer for its Predictions group to develop core machine learning models for ad predictions and monetization across Apple's App Store and News platforms. This role requires expertise in machine learning, information retrieval, and large-scale modeling within a privacy-first environment. You will work on applied ML, deep learning, and retrieval systems, focusing on predicting user interactions, optimizing marketplace outcomes, and scaling across billions of queries. The position involves exploring and operationalizing emerging techniques like Large Language Models (LLMs) and Reinforcement Learning to enhance Apple's ad prediction systems. Key responsibilities include designing and implementing ML models for user interaction, click-through rate (CTR), and conversion rate (CVR) prediction, developing retrieval algorithms, contributing to core modeling areas, working with large-scale datasets, and collaborating with cross-functional teams. Experience with large-scale experiments to validate model architectures is also expected.
Must have:
- 4+ years ML experience
- Deep experience with neural networks (Transformers, DNNs, RNNs)
- Experience with TensorFlow, PyTorch
- Practical understanding of reinforcement learning
- Experience with high-volume data pipelines
- Proficient in Python, familiar with SQL/Scala/Java
- Ability to translate ideas into solutions
- Bachelor's or equivalent in CS/ML/AI/IR
Good to have:
- MS or PhD in CS/ML/AI/IR
- Information retrieval foundation (query-document matching, embedding-based ranking)
Perks:
- Discretionary employee stock programs
- Discretionary restricted stock unit awards
- Discounted Apple stock purchase
- Comprehensive medical and dental coverage
- Retirement benefits
- Discounted products and free services
- Reimbursement for certain educational expenses
15 skills required
Job Details
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!
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're is looking for a highly skilled and motivated Machine Learning Engineer to join our Predictions group. We build the core machine learning models that power ad predictions and monetization across Apple’s App Store and News platforms. The ideal candidate will bring deep expertise in machine learning, information retrieval, and large-scale modeling, and will thrive in a fast-paced, privacy-first environment. You’ll work at the intersection of applied ML, deep learning, and retrieval systems—developing models that predict user interaction, optimize marketplace outcomes, and scale across billions of queries. You'll also explore and operationalize emerging techniques in Large Language Models (LLMs), Reinforcement Learning, and representation learning to advance Apple’s ad prediction systems. - Design and implement ML models to improve predictions of user interaction, click-through rate (CTR), and conversion rate (CVR) - Develop and optimize retrieval algorithms, leveraging techniques from classical IR and modern deep learning - Contribute to core modeling areas such as deep neural networks, contextual bandits, multi-task learning, and LLM-based ranking signals - Work with large-scale, distributed datasets to identify new signals and improve model accuracy and robustness - Collaborate with cross-functional teams across engineering, infrastructure, and product to scale models to production - Participate in designing and running large-scale experiments to validate new model architectures and learning strategies
- 4+ years of experience applying machine learning and statistical modeling at scale, preferably in ad tech, recommender systems, or web-scale search/retrieval
- Deep experience with neural network architectures (e.g., Transformers, DNNs, RNNs) and training pipelines using TensorFlow, PyTorch
- Practical understanding of reinforcement learning, explore/exploit strategies, and bandit-based optimization
- Experience working with high-volume data pipelines, A/B testing infrastructure, and performance measurement at scale
- Proficient in Python and familiar with SQL, Scala, or Java for production environments
- Ability to translate abstract ideas into concrete, high-impact solutions
- Bachelor's, or equivalent experience, in Computer Science, Machine Learning, Artificial Intelligence, Information Retrieval, or a related field.
- MS or PhD, or equivalent experience, in Computer Science, Machine Learning, Artificial Intelligence, Information Retrieval, or a related field.
- Great foundation in information retrieval, including query-document matching, embedding-based ranking, and learning-to-rank algorithms is a plus
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.
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