Senior/Staff Machine Learning Engineer, Search & Knowledge Platforms

Are you passionate about search technologies and building knowledge experiences?

The Answers, Knowledge, and Information team is at the forefront of

revolutionizing how hundreds of millions of people use their devices to obtain

information. We are a world-class team of machine learning engineers who

collaborate closely with product, data science, and infrastructure teams to

power and enhance features across Apple products, including Siri, Spotlight,

Safari, Messages, and more. Our team operates in one of the most dynamic

high-performance computing environments, managing petabytes of data and millions

of queries per second. As a Senior Machine Learning Engineer, you play a

critical role in developing world-class search and Q&A experiences for Apple

customers using cutting-edge search technologies and large language models.

DESCRIPTION

As a member of our dynamic team, you will have the unique and rewarding

opportunity to contribute to the development of upcoming products from Apple.

Our team is responsible for delivering next-generation Search and Question

Answering systems across Apple products, including Siri, Safari, Spotlight, and

more. Therefore, we are seeking candidates with a deep understanding of

large-scale search technology, machine learning fundamentals, applied machine

learning experience, and strong software engineering skills. As Senior Machine

Learning Engineer for the Search and Knowledge Quality team, you will be

responsible for developing the ranking and retrieval technologies that power

question answering and search across Apple products.

In this role, you will

• collaborate with world-renowned experts in large-scale data management, machine
• learning systems, and knowledge extraction, driving advancements in question
• answering and search, as well as the underlying ranking and retrieval
• technologies. This is your opportunity to shape how people obtain information by
• leveraging your Search and applied machine learning expertise, along with robust
• software engineering skills.
• MINIMUM QUALIFICATIONS
• Bachelor’s in Computer Science, Machine Learning, or a related field 7+ years of
• industry or academia experience in machine learning, with a focus on search,
• NLP, or recommender systems Strong programming skills in C/C++ or Python, and
• experience with ML frameworks Proficient understanding of search algorithms and
• familiarity with evaluation metrics for search and information retrieval
• Excellent communication and collaboration skills
• PREFERRED QUALIFICATIONS
• Advance degree in Computer Science, Machine Learning, or a related field 5+
• years of industry or academia experience in machine learning, with a focus on
• search, NLP, or recommender systems Familiarity with NLP/ML tools and packages
• like Jax, TensorFlow, pyTorch, etc. Experience working with transformer-based
• models (e.g., BERT, T5) in a search context Prior industry experience on large
• scale search systems Ability to quickly prototype ideas / solutions, perform
• critical analysis, and use creative approaches for solving complex problems