Machine Learning Scientist - Apple Services Engineering, GenAI & ML Frameworks at Apple | NY, US | Rezi

Machine Learning Scientist - Apple Services Engineering, GenAI & ML Frameworks at Apple

Machine Learning Scientist - Apple Services Engineering, GenAI & ML Frameworks

Apple · NY, US

1 months ago

Machine Learning Scientist - Apple Services Engineering, GenAI & ML Frameworks

Apple · NY, US

a month ago
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About the Role

The Apple Services GenAI & ML Frameworks team bridges foundation model capabilities with real-world production systems. This role specializes in improving LLM domain knowledge, tool use, reasoning, and system integration, working closely with product, infra, and foundation model teams to bring cutting-edge models into user-facing features at scale.

Responsibilities

  • Operate end-to-end across model development and production integration.
  • Improve LLM domain knowledge, tool use, reasoning, and system integration.
  • Partner effectively with product, infra, and foundation model teams.
  • Lead ambiguous cross-LOB initiatives from problem definition through execution and scaling.
  • Build robust tooling around synthetic data generation, eval, and training pipelines for LLMs.

Requirements

  • BS/MS in a quantitative field (Computer Science, Maths, Statistics, Physics, etc.).
  • 3+ years of relevant work experience.
  • Proficient programming skills in Python.
  • Hands-on experience working with deep learning toolkits (Jax, Tensorflow, or PyTorch).
  • Proven track record in training or deployment of large models or building large-scale distributed systems.
  • Deep understanding of Deep Learning and Large Language Models (LLMs).
  • Natural Language Processing expertise.

Skills

  • LLM training (domain-adaptive continual pretraining, post-training, preference optimization / RL such as GRPO-style methods)
  • Agentic systems (tool schemas, multi-turn reliability, rubric- or verifier-based learning loops)
  • Deployment-aware optimization (latency/cost/reliability tradeoffs, evaluation harnesses, and iterative improvement from production signals)
  • Python
  • Jax
  • Tensorflow
  • PyTorch
  • Deep Learning
  • Large Language Models (LLMs)
  • Natural Language Processing
  • Synthetic data generation
  • Evaluation
  • Training pipelines

Experience Level

  • 3+ years of relevant work experience

Education Level

  • BS/MS in a quantitative field
  • PhD in a quantitative field

About the Company

  • Apple Services GenAI & ML Frameworks team aims at bridging foundation model capabilities with real-world production systems.
  • The work spans LLM continual pretraining, posttraining, agentic reinforcement learning, agentic system optimization etc..