Senior Applied Scientist - Apple Services Engineering

Apple • Seattle, WA

8d

About The Position

At Apple, we believe that technology should enrich people's lives in meaningful
ways. Apple Services—including the App Store, Apple Music, Apple TV+, and
Podcasts—connect millions of users worldwide to the content and experiences they
love. Behind these services are sophisticated AI and machine learning systems
that power personalized recommendations, intelligent search, and content
discovery. The quality of these experiences depends fundamentally on the
integrity of the data that fuels them. Join the Human-centered AI (HAI)
organization within Apple Services Engineering as a Senior Applied Scientist on
our Data Quality Operations team. This is your opportunity to shape the future
of data quality at Apple, working at the intersection of cutting-edge machine
learning, large language models, and rigorous scientific methodology. You'll be
at the forefront of designing and implementing novel, scalable quality control
solutions which ensure our AI-powered services meet Apple's exacting standards
for a high-quality user experience. If you're passionate about applying
scientific rigor to real-world problems, thrive on innovation, and want your
work to impact hundreds of millions of users, this role offers an exceptional
opportunity to make a lasting contribution to products people use every day.

DESCRIPTION

We are seeking a Senior Applied Scientist to lead the design and implementation
of novel, scalable quality control solutions for Apple Services. In this role,
you will develop AI or ML solutions for programatically generating gold standard
datasets, create anomaly detection systems, and pioneer use of Large Language
Models for automated quality control. You will work closely with
cross-functional teams to ensure the data powering our AI/ML systems meets the
highest standards of accuracy, consistency, and relevance.

Requirements

• 3+ years of industry experience in an Applied Scientist, Machine Learning Engineer, or Data Scientist role with focus on data quality, evaluation, or related areas.
• Proven experience designing, building, and deploying scalable data quality or evaluation systems in production environments.
• Strong hands-on experience with Large Language Models (LLMs) including prompt engineering, fine-tuning, and applications such as grading, validation, or classification.
• Proficiency in Python, data science libraries (pandas, NumPy, scikit-learn, PyTorch, TensorFlow), SQL, and distributed computing environments (Spark, Hadoop).
• MS in Computer Science, Machine Learning, Statistics, Applied Mathematics, NLP or a related quantitative field with 3+ years of relevant industry experience, OR BS degree in a related quantitative field with 8+ years of relevant industry experience.

Nice To Haves

• PhD in Computer Science, Machine Learning, Statistics, Applied Mathematics, NLP or a related quantitative field with 3+ years of relevant industry experience
• Experience with data labeling operations, annotation quality frameworks, or human-in-the-loop systems.
• Familiarity with prompt optimization frameworks or automated prompt engineering.
• Experience in natural language processing (NLP) or natural language understanding (NLU).
• Experience with MLOps practices and tools for deploying, monitoring, and managing ML models in production.
• Familiarity with cloud platforms (e.g., AWS, GCP, Azure) or large-scale distributed infrastructure systems.
• Prior experience contributing to open-source projects or publishing research in relevant academic conferences or journals.

Responsibilities

• lead the design and implementation of novel, scalable quality control solutions for Apple Services
• develop AI or ML solutions for programatically generating gold standard datasets
• create anomaly detection systems
• pioneer use of Large Language Models for automated quality control
• work closely with cross-functional teams to ensure the data powering our AI/ML systems meets the highest standards of accuracy, consistency, and relevance

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 5,001-10,000 employees