Senior / Staff Applied ML Engineer AI / ML Evaluation & Simulation

Senior / Staff Applied ML Engineer AI / ML Evaluation & Simulation

San Francisco Bay Area, California, United States

We're building the next generation of AI evaluation systems and we're looking for a hands-on engineer who can bridge ML, software, and product to make AI systems more measurable, testable, and trustworthy. We're part of the AI / ML Evaluation organization, seeking a Senior or Staff-level Applied ML Engineer with strong software engineering skills and a solid understanding of machine learning. In this hands-on role, you'll help design and build intelligent systems that simulate complex interactions (including agentic workflows powered by LLMs), develop tools for extracting structured insights, and create robust evaluation datasets. You'll also contribute to building scalable platforms for simulation and behavior analysis. This role sits at the intersection of ML, engineering, and product ideal for someone passionate about bringing clarity and rigor to real-world AI performance.

Responsibilities

• Design and implement systems that simulate user-like interactions and workflows
• Build tools and infrastructure to generate, manage, and analyze evaluation data
• Develop scalable pipelines to extract structured insights from simulation outputs
• Collaborate with scientists and engineers to instrument and assess model performance
• Engineer reusable, testable components for experimentation and evaluation workflows
• Help define and operationalize success metrics aligned with product and research goals

Minimum Qualifications

Preferred Qualifications

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.