CareerPlan

Machine Learning Engineer, Siri Speech

Cupertino, United States of AmericaFull-time2026-11-03 → 2026-11-10

Core

Design and develop machine learning models and fine-tune deep learning systems for speaker recognition and multimodal understanding to power natural voice experiences for Apple's AI assistant.

Role type

Senior IC machine learning engineer (speech & multimodal LLMs)

Builds

Production-quality ML models for Siri AI across iOS, iPadOS, macOS, watchOS, tvOS, and visionOS

Domain

Consumer electronics / Speech AI / Large Language Models

Deliverable

production ML models

Required skills

Large generative models (LLMs), Machine learning frameworks (JAX, PyTorch), Python, Speaker recognition, Multimodal modeling, Reinforcement learning, AI agents, Large scale ML training/evaluation, Foundation models

Preferred skills

M.S. in EE/CS, 1-2+ years ML experience, Data-centric vision

Technologies

JAX, PyTorch, Python

Responsibilities

Develop multilingual, multimodal LLMs to improve speech and conversational experiences; Advance the state of the art in multimodal modeling; Design and build robust speech-centric LLM systems; Collaborate with cross-functional partners to deliver scalable ML products; Stay current with emerging research and define future AI direction