Principal Machine Learning Engineer, AI & Data Platforms (AiDP)
Core
Design, fine-tune, evaluate, and productionize large language models and generative AI systems at global scale for Apple's ecosystem.
Role type
Principal Machine Learning Engineer (Generative AI & LLMs)
Builds
Standalone AI-powered products and platform capabilities
Domain
Consumer Technology / Large Language Models
Deliverable
production ML models
Required skills
LLM fine-tuning, RLHF, prompt engineering, model evaluation, Python, Swift, Java, distributed training, model serving
Preferred skills
Pre-training strategies, reinforcement learning techniques, agentic frameworks, multimodal AI, inference optimization, data engineering, technical leadership
Technologies
Python, Swift, Java, AWS, GCP, Azure, LangChain, LangGraph, DSPy, AutoGen
Responsibilities
Lead end-to-end development of LLM-based systems from training to deployment; Design evaluation frameworks for model quality and safety; Architect production inference infrastructure; Drive model customisation and adaptation strategies; Build end-to-end AI-powered products; Establish engineering excellence across the ML lifecycle; Mentor ML engineers
Seniority
Principal, hands-on IC with strategic influence