Machine Learning Scientist - Apple Services Engineering, GenAI & ML Frameworks
Core
Bridging foundation model capabilities with real-world production systems by improving LLM domain knowledge, tool use, reasoning, and system integration.
Role type
Senior IC machine learning scientist (GenAI & LLM frameworks)
Builds
User-facing GenAI features at scale across Apple Services Engineering
Domain
Artificial Intelligence / Large Language Models / Generative AI
Deliverable
production ML models
Required skills
LLM training (continual pretraining, post-training, RL), agentic systems design, deployment-aware optimization, deep learning frameworks, distributed systems, synthetic data generation, evaluation harnesses
Preferred skills
PhD in quantitative field, building robust tooling for training pipelines
Technologies
Python, Jax, Tensorflow, PyTorch
Responsibilities
Lead cross-LOB initiatives from problem definition to scaling, partner with product and infra teams, optimize latency/cost/reliability tradeoffs, build eval and training pipelines
Seniority
Senior, hands-on IC
