Senior Machine Learning Engineer

What you'll do

• Design, build, and deploy world-class machine learning systems to improve Siri's accuracy, speed, and reliability.
• Develop and improve machine learning models, algorithms, and data platforms for global markets.
• Diagnose user-facing issues across the full engineering and machine learning stack to develop principled solutions.
• Implement Large Language Models (LLMs) and other foundation models into production features.
• Develop software for both server-based and client-side (on-device) models using frameworks like PyTorch or CoreML.
• Mentor and motivate other engineers to deliver high-quality features and technical advancements.
• Communicate complex technical ideas and product metrics to research scientists, designers, and executive stakeholders.

What we're looking for

• Master's or PhD degree in computer science, software engineering, machine learning, language technologies, or a related field.
• Bachelor's degree with multiple years of significant engineering and product experience.
• 10+ years of experience developing, shipping, and measuring industry-scale machine learning-based software systems.
• Experience as a senior engineer, tech lead, or engineering manager for a machine learning-based product.
• Expertise in Large Language Models (LLMs) or other foundation models, demonstrated through publications or shipping products.
• Proficiency in at least one object-oriented language (Java, C++, Objective-C, or Swift), scripting languages, and deep learning frameworks.
• Experience in data science and analytics, including data annotation, statistical analyses, and A/B testing (preferred).
• Experience in the iOS development ecosystem, localization, internationalization, or machine translation (preferred).