AI Evaluation Engineer – Siri AI Agents

Apple • Cupertino, CA

103d

About The Position

We are seeking talented engineers to join our team and push the boundaries of evaluations for Siri AI Agents. Evaluation lies at the heart of our model development strategy—it shapes architectural choices, guides launch decisions, and ultimately ensures a world-class user experience. Our team is highly innovative and fast-moving, leveraging auto-evaluators and LLM-based judges to measure, validate, and continuously improve the core Siri AI engine. If you’re excited by the challenge of building trusted evaluation systems that directly impact the quality of a groundbreaking AI product used by millions worldwide, this role is for you.

Requirements

• M.S. degree in Computer Science, Machine Learning, or a related technical field, or equivalent practical experience.
• Strong skills in data analysis and statistical methods utilized in a problem solving environment.
• Passion for debugging, testing, and triaging issues in complex AI + software systems.
• Proficiency in Python and experience developing production-quality code.
• Understanding of large language models (LLMs) and awareness of their strengths and limitations.

Nice To Haves

• Experience with large-scale ML model evaluation, testing pipelines, and triage.
• Knowledge of data generation, training workflows, or context engineering.
• Familiarity with real-world deployment challenges for AI/ML products.
• Knowledge of latest methodologies in LLM evaluations.

Responsibilities

• Design, build, and maintain auto-evaluators that measure the quality of Siri’s core AI engine.
• Identify and triage issues and implement changes to improve auto-evaluator trustworthiness.
• Work with both simulators and real devices to ensure high-fidelity evaluation and a superior user experience.
• Collaborate with scientists and engineers across software and ML teams, contributing to products shipped across our portfolio of devices.

What This Job Offers

• Education Level: Master's degree
• Number of Employees: 5,001-10,000 employees