Senior Machine Learning Engineer, Apple Search & Knowledge Platforms
Apple · Santa Clara, CA · Machine Learning and AI
About this role
Apple is hiring a senior-level Machine Learning Engineer based in Santa Clara, CA. The posting calls out experience with Python, TensorFlow, PyTorch, LLMs.
- Role
- Machine Learning Engineer
- Function
- machine learning
- Level
- senior
- Track
- Individual contributor
- Location
- Santa Clara, CA
- Department
- Machine Learning and AI
- Posted
- May 14, 2026
More roles at Apple
Job description
from Apple careersThe AI, Search & Knowledge Platforms team builds amazing products and services for Apple's customers while serving as a foundational partner to teams across Apple. The team delivers world-class AI, search, and knowledge systems powering Siri, Apple Intelligence, Safari, and iMessage, and operates the foundational platforms and infrastructure that keep these intelligent experiences running at hyperscale.
As part of this group, you will be doing large scale machine learning and deep learning research and development to improve Open Domain Question Answering (using both structured knowledge graph data and unstructured web data) and Summarization as well as developing fundamental building blocks needed for Artificial Intelligence. This involves developing sophisticated machine learning and large language models (LLMs) to understand user queries, retrieve and rank relevant documents across multiple sources and synthesize information across documents to provide user with a direct answer that best satisfies their intent and information seeking needs. Additionally, you will research and develop the state-of-the-art LLMs for summarizing personal data such as emails, messages, and notifications.