Senior Machine Learning Engineer, NLP, Input Experience

Cupertino Until 9/21/2026 2+ years exp First posted July 23, 2026 Last posted July 23, 2026
Job description

Our team’s mission is to enhance ML powered user experiences on all Apple platforms through personalized multimodal input, composition, and understanding, with a global perspective. We achieve this daily by collaborating at the intersection of natural language processing, machine learning, and software engineering. We are responsible for the machine learning and software (non-UI) development for several user-facing Apple Intelligence features, including Writing Tools, Summarization, Found In Apps, and Messages/Mail Smart Replies. Additionally, we oversee the keyboard machine learning and software stack, which includes autocorrection, suggestions, and inline completions. If you’re passionate about being part of an ambitious, organized, and collaborative team that delivers user experiences with pioneering ML partnered with the best UI designs, join the Input Experience NLP team. Here, you’ll have the opportunity to transition from building groundbreaking NLP models to optimizing them for various hardware backends and user interfaces that create an enchanting experience.

Description

As a Machine Learning Research Engineer on our team, you’ll build and iteratively refine model pipelines that enable machine learning driven user experiences on Apple products. You’ll conduct experiments and create prototypes for innovative approaches to enhance the quality of our models and expand their intelligence. Additionally, you’ll implement the building blocks and infrastructure that integrate these innovations into our production pipelines and contribute evaluation metrics to measure progress.

Minimum Qualifications

MS or PhD in Computer Science or related field with at least 2 years of industry experience
Strong Python programming skills, with experience developing production-quality Python modules
Solid background in machine learning, data science, natural language processing, or statistics

Preferred Qualifications

Experience building and maintaining model pipelines end-to-end, from data curation to evaluation
Ability to design and perform experiments that bring ML and NLP research ideas to production
Familiarity with LLMs, such as SFT, RHLF, prompt engineering, data synthesis, automatic evaluation, and RAG
Excellent written and verbal communication skills
History of developing in Python and / or Swift
Record of publications, innovations, and/or leadership

About this role

Summary

Build and refine ML models for NLP user experiences on Apple platforms.

Job title

Senior Machine Learning Engineer, NLP, Input Experience

Experience level

2+ years

Minimum experience

2+ years exp

Industry

software

Location requirements

On-site in Cupertino, no remote work mentioned

Salary

Not specified

Management role

No

Skills & keywords

Required skills

pythonmachine learningnatural language processingdata science

Preferred skills

LLMsprompt engineeringswiftpublications

Specializations

machine learningnatural language processingpythonML pipelines
Locations

Structured locations inferred from the posting.

Cupertino, CA, USA

On-site City