Senior Machine Learning iOS Platform Engineer — Responsible AI and Safety
Core
Architecting and deploying safety classifiers, guardrail models, and mitigation policies for Apple's generative AI features across on-device and cloud environments.
Role type
Senior IC machine learning platform engineer (iOS/macOS)
Builds
Safety mitigation assets (classifiers, filters, policies) integrated into generative AI workflows
Domain
Consumer technology, Generative AI, Responsible AI
Deliverable
production ML models
Required skills
iOS/macOS application development, Swift, Objective-C, Apple Core iOS/Foundation frameworks, architectural leadership, high-performance system design, technical mentorship
Preferred skills
On-device ML runtimes (Core ML, MLX), LLM inference/tokenization, model export lifecycle, ML/AI application development
Technologies
Swift, Objective-C, Core ML, MLX, Apple Silicon, Private Cloud Compute (PCC)
Responsibilities
Define and evolve technical architecture for multimodal safety workflows; lead design and implementation of safety features; mentor engineering teams; optimize performance for large-scale image processing and real-time interactions; contribute to deployment pipelines and tooling
Seniority
Senior, hands-on IC with leadership responsibilities