Apple

Machine Learning Engineer – LLMs, Agent Systems, and Simulation Tooling, Siri Core Modeling

Apple
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11 hours ago
Cupertino, CA, USASenior
H1B sponsor

Responsibilities

  • Develop scalable LLM reasoning systems and core simulation capabilities for agentic voice platforms.
  • Build infrastructure and tooling for training, simulation, and evaluation of agentic LLMs.
  • Design and run experiments in simulated environments.
  • Build scalable evaluation pipelines for agent behaviors.
  • Integrate agent behaviors across client and backend systems.
  • Collaborate with ML scientists, applied researchers, and product engineers to turn research into deployable systems.

Requirements

  • Bachelor’s degree in Computer Science, Machine Learning, or a related quantitative field.
  • At least 3 years of relevant industry experience.
  • Strong Python skills and proficiency in at least one other programming language.
  • Experience with ML engineering, system design, training pipelines, and deployment workflows.
  • Deep understanding of agent-based simulation, agentic RAG systems, and LLM evaluation methodologies.
  • Ability to balance long-term platform vision with pragmatic short-term delivery.
  • Preferred qualifications include LLM deployment experience, knowledge of adaptive feedback loops or reinforcement learning, familiarity with interactive agent design and client-backend integration, and an MS or PhD in a relevant field.

Tech Stack

iOSmacOSPython

Categories

Apple

About Apple

10,000+ employees

Apple designs and sells consumer electronics, software, and services for consumers and professionals worldwide, including iPhone, Mac, iPad, Apple Watch, and AirPods, plus platforms like iOS/macOS and services such as the App Store, iCloud, Music, and TV+. Its business combines device sales with services and subscriptions and in-house silicon design. Founded in 1976, Apple is headquartered in Cupertino, California, and trades on NASDAQ as AAPL.

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