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# Sr. Machine Learning Engineer, Siri Global

- **Company:** Apple Inc.
- **Location:** Cupertino, CA, United States
- **Experience:** Expert
- **Salary:** $184,700.0
- **Contract:** Permanent contract
- **Skills:** Training Data, Java (Programming Language), A/B Testing, Bash Shell, C++ (Programming Language), Python (Programming Language), Machine Learning, Object-Oriented Software Development, Tensorflow, Ruby, Software Engineering, Software Systems, Scripting, Pytorch, Large Language Models, Ios Frameworks, Deep Learning, Siri, Information Technology, Objective C++, Natural Language Understanding
- **Published:** November 4, 2026
- **Apply:** https://www.juju.com/job/7_130AE47A3E19EE5D411CD49048ADAFEB

## About the Role

We are particularly interested in "full-stack" machine learning engineers with strong experience in research, software engineering, and have strong leadership potential.You should be passionate about building outstanding products, and using the full spectrum of your skills to drive technical and organizational advancements.
The ideal candidate is equally comfortable with the latest academic/research advancements in ML, LLMs, NLP, and related areas, diving into all parts of the full engineering/machine learning stack to diagnose user-facing issues and develop principled solutions, and deeply engaging in product metrics and goals with product managers, designers, and executives.
Software engineering experience with both server-based and client-side (e.g. on-device) models is a definite asset.
In this role, the ability to communicate complex technical ideas to diverse audiences, including research scientists, data scientists, engineers, designers, managers, and other stakeholders across Siri and Apple is also essential.This position involves a wide variety of skills and innovation.
In addition to your individual technical contributions, there are immense opportunities to multiply the impact those around you by mentoring, motivating and challenging engineers to deliver features at high quality.
If you are looking for a role that is challenging, impactful, has immense growth opportunities, this role is for you.Minimum QualificationsMaster's or PhD degree in computer science, software engineering, machine learning, language technologies, or related fields; outstanding candidates with Bachelor's degrees and multiple years years of significant engineering/product experience will also be considered10+ years of experience developing, shipping, and measuring industry-scale machine learning-based software systems; experience working on large-scale NLU systems a strong asset.Experience as a senior engineer, tech lead, or engineering manager for a machine learning-based product, including mentoring other engineers, working with program and product managers, and communicating accomplishments, metrics, and challenges to cross-functional stakeholders and leadersExpertise and experience in Large Language Models (LLMs) or other foundation models, ideally demonstrated
through publications or shipping foundation model-based features and products.Strong background in machine learning, deep learning, and foundation models, as demonstrated through top-tier publications and/or successful development of training data, models, or software in commercial machine learning systems.Excellent software engineering skills: Proficiency in at least one object-oriented language (e.g.
Java, C++, Objective-C, or Swift), scripting languages (e.g.
Python, Ruby, bash), and deep learning/machine learning frameworks (e.g.
TensorFlow, PyTorch, or CoreML)Outstanding problem solving, critical thinking, creativity, organizational, design, and interpersonal skills; ability to work with all levels of engineers, scientists, designers, and communicate effectively with management, leadership, and cross-functional partnersPreferred QualificationsExperience in data science and analytics, including data annotation, statistical analyses, A/B testing, and/or conducting experiments and investigations in large-scale usage data environmentsSelf-starter with a proven ability to handle multiple projects with strict deadlinesExperience in the iOS development ecosystem (e.g.

## Description

In this role, you will work on creating and improving the accuracy, speed, reliability, and capability of Global Siri's models and systems.