Apple
Sr. Applied Scientist, AI Evaluation & Quality Systems
$142K–$263K
Seattle, Washington · Senior · Full-time · Posted Aug 26, 2026
- Experience
- 5+ years of industry experience in applied science or machine learning.
- Education
- MS or PhD in Computer Science, Machine Learning, Statistics, or a related quantitative field, or equivalent practical experience.
About the job
Builds and operates scalable systems that ensure the quality of AI evaluations, annotation, and human judgments across Apple products and services.
What you'll do
- Design ground-truth generation pipelines and real-time monitoring for drift and quality degradation.
- Calibrate LLM evaluators against human-verified gold sets and build tools to analyze disagreements and improve annotator training and guidelines.
- Partner with ML teams, evaluator developers, and annotators; communicate findings to technical and non-technical stakeholders.
What they ask for
- 5+ years of industry experience in applied science or machine learning, including production-grade evaluation, annotation, or quality-assurance pipelines.
- Hands-on experience designing ground-truth pipelines across task types and annotation modalities, including cold-start scenarios.
- Experience building real-time monitoring or anomaly/drift detection systems for live data or ML pipelines; working knowledge of generative AI evaluation methodology.
- Proficiency in Python and relevant ML frameworks, production experience with LLM-based pipelines and agents, and an MS or PhD in a related quantitative field or equivalent practical experience.
Nice to have
- PhD in Computer Science, Machine Learning, Statistics, or a related field.
- Experience building configurable, extensible systems or tooling for practitioners.
Pay
$142,300 and $263,300 USD base salary
Tools
Python, LLM-as-a-Judge
AI focus
Develops and validates AI/ML evaluation systems, including LLM evaluators, human-verified ground truth, calibration, and quality monitoring.
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