Apple

Sr ML Research Engineer, Post-Training for Personalization

Apple
Apply
20 hours ago
Cupertino, CA, USA or Seattle, WA, USASenior
H1B sponsor

Responsibilities

  • Develop novel algorithms and methodologies for LLM post-training and prompt optimization.
  • Advance personalized intelligence by enabling models to understand user needs, adapt to personal context, and produce more relevant experiences.
  • Research and prototype reinforcement learning, multimodal reasoning, context compaction, efficiency, and memory-system techniques.
  • Partner with systems engineers to incorporate algorithmic innovations into scalable agentic experiences.
  • Interface with large-scale modeling and data infrastructure.

Requirements

  • PhD in electrical engineering, computer science, mathematics, physics, or computer engineering with a focus on computer vision and/or machine learning, or comparable professional experience.
  • Strong machine learning and generative modeling fundamentals.
  • Hands-on experience with pre-training or post-training of large language models and/or reinforcement learning.
  • Familiarity with distributed training.
  • Proficiency with machine learning toolkits such as PyTorch.
  • Proven research contributions through publications in top-tier conferences or open-source algorithm contributions.
  • Preferred: experience building and deploying multimodal LLMs.
  • Preferred: experience building and deploying agentic systems and LLMs with tool use and memory capabilities.

Tech Stack

Categories

AI ResearchML Engineering
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.

Contact me