Apple

Machine Learning Engineer, Answers Knowledge and Information - Proactive

Apple
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3 days ago
Cupertino, CA, USAMid Level
H1B sponsor

Responsibilities

  • Develop machine learning and large language models for open-domain question answering, retrieval, ranking, document synthesis, and summarization.
  • Research and develop LLMs for summarizing emails, messages, notifications, and other personal data.
  • Develop, fine-tune, and evaluate domain-specific LLMs for NLP tasks and RAG applications.
  • Model user behavior through personalization, online learning, and recommendation systems.
  • Conduct applied research and transfer generative AI advances into production-ready technologies.
  • Collaborate with researchers, data scientists, and cross-functional teams to build AI-powered Apple products.

Requirements

  • Experience modeling user behavior, including personalization, online learning, and recommendation systems.
  • Experience with machine learning or LLM development for NLP tasks and RAG applications, including prompt engineering, training data collection and generation, model fine-tuning, and model evaluation.
  • Experience with Python and at least one deep learning framework such as TensorFlow, PyTorch, or JAX.
  • At least two years of experience with advanced LLM fine-tuning techniques, including supervised fine-tuning, preference-based fine-tuning, parameter-efficient fine-tuning, hallucination reduction, factual accuracy improvements, or safety guardrails.
  • A consistent track record of researching, inventing, or shipping advanced machine learning models.
  • Preferred PhD in Computer Science, Artificial Intelligence, Machine Learning, or a related field.
  • Strong communication and interpersonal skills with the ability to work with cross-functional teams.

Tech Stack

PythonPyTorchTensorFlow

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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