ML Researcher — Data & AI Innovation for Search

Apple Inc.; Seattle (WA); On-site; USD 150,400 - 277,600; Full time

Job summary

Apple Inc. in Santa Clara, California, is seeking a senior AIML - Machine Learning Researcher within the Data and ML Innovation group to advance search, NLP, and large language models.

You will work on large-scale ML, embeddings, and production-ready features across Apple devices and cloud services. The role involves building domain-specific LLMs, evaluating models, collaborating with researchers and data scientists, and delivering end-to-end production systems that power Siri, Spotlight, and

Qualifications

• PhD, MS or equivalent experience.
• Experience in machine learning, deep learning, information retrieval, natural language processing or data mining.
• Experience of prompt engineering, fine‑tuning, evaluating, and developing data collection/annotation/management tooling for LLMs.
• Proficiency in one of following languages: Python, Go, Java, C++.

Responsibilities

• Analyzing search ranking and relevance requirements, issues and opportunities.
• Developing, fine‑tuning, and evaluating domain specific Large Language Models for various tasks and applications in Apple’s AI powered products.
• Conducting applied research to transfer the pioneering research in generative AI to production‑ready technologies.
• Understanding product requirements, translate them into modeling tasks and engineering tasks.
• Building machine‑learned models for search relevance, ranking and query understanding problems.
• Integrating search functions into Apple products, such as Siri, Spotlight, Safari, Messages, Lookup, etc.
• Building end‑to‑end production system including query understanding and ranking to power search.
• Applying Spark, Hadoop MapReduce, Hive, Impala to perform distributed data processing.

Skills

Python

Go

Java

C++

Education

PhD, MS or equivalent

Job description

Apple Inc. in Santa Clara, California, is seeking a senior AIML - Machine Learning Researcher within the Data and ML Innovation group to advance search, NLP, and large language models.

You will work on large-scale ML, embeddings, and production-ready features across Apple devices and cloud services. The role involves building domain-specific LLMs, evaluating models, collaborating with researchers and data scientists, and delivering end-to-end production systems that power Siri, Spotlight, and