Sr. Machine Learning Engineer, Siri Speech
Core
Develop and deploy multilingual, multimodal LLMs and speech-centric systems to enhance conversational experiences for Apple's AI assistant across iOS, iPadOS, macOS, watchOS, and visionOS.
Role type
Senior IC machine learning engineer (multimodal LLM & speech)
Builds
Scalable, high-quality ML products for Siri and Apple Intelligence
Domain
Consumer AI / Speech & NLP
Deliverable
production ML models
Required skills
Applied ML research, LLM development, speech generation/understanding, natural language processing, deep learning, JAX, PyTorch, Python
Preferred skills
Reinforcement learning, Speech LLMs, Multimodal LLMs, AI agents, large-scale ML training/evaluation, foundation model scaling
Technologies
JAX, PyTorch, Python
Responsibilities
Develop multilingual, multimodal LLMs for speech and conversational experiences; Advance state-of-the-art in NLP, speech, and audio modeling; Design robust speech-centric LLM systems; Collaborate with cross-functional teams to deliver scalable ML products; Define future direction of AI-powered Siri experiences
Seniority
Senior, hands-on IC