Apple logo
Apple Verified
Consumer Electronics, Software, Services, Retail

Sr. Machine Learning Engineer, Siri Speech

Cupertino, CAOnsiteFull TimeSeniorPosted 1 month agoVisa sponsorship available

Is this role right for you?

Upload your resume and get a skill-by-skill breakdown — see exactly where you match, where you're close, and what to highlight. Not a mystery percentage.

Get a tailored resume highlighting what this role needs.

Required skills

  • Siri
  • Apple Intelligence
  • personal context understanding
  • on-screen awareness
  • privacy
  • iOS
  • iPadOS
  • macOS
  • watchOS
  • visionOS

Nice to have

  • reinforcement learning
  • Speech LLMs
  • Multimodal LLMs
  • AI agents
  • evaluation
  • data-centric vision

Role summary

Join the Siri team at Apple to redefine the AI assistant experience. This role focuses on applied ML research and development in multimodal LLMs, NLP, and speech technologies. You will build end-to-end solutions, from data scaling to model implementation and training, collaborating with engineering teams to bring research to production. The ideal candidate is a strong researcher and engineer, proficient in Python and ML frameworks like JAX/PyTorch, with experience in developing and training large generative models. Preferred qualifications include experience in reinforcement learning, Speech LLMs, AI agents, and large-scale ML training.

Join the team redefining what a deeply personal and integrated assistant can be. As part of the Siri organization, you will help shape one of the world's most widely used AI assistants, powered by our next-generation of Apple Intelligence, with capabilities like personal context understanding and on-screen awareness, built with privacy from the ground up. Your work will have direct, meaningful impact for users across iOS, iPadOS, macOS, watchOS, and visionOS. This is a rare opportunity to build at the intersection of cutting-edge AI and human-centered design, shipping technology that is centered around users and their needs.

Description


We are seeking a candidate with a strong background in applied ML research and development, particularly in multimodal LLM, natural language processing/generation, speech generation/understanding, to join our cross-functional team focused on advancing capabilities in systems like Siri. We are looking for applied ML researchers who can develop end-to-end solutions from data scaling to necessary model implementation and training while collaborating with other engineering teams to bring research to production. You will develop and deploy novel deep learning technologies that make Siri more intelligent, natural, and useful. To succeed in this role, you should be a strong researcher and engineer, an excellent programmer, and a creative problem solver who enjoys learning new techniques, improving systems, and taking ownership of complex problems. You should also thrive as a team player in a fast-paced environment.

Minimum Qualifications


M.S. or PhD in Electrical Engineering, Computer Science or related fields 5-7+ years experience in Machine Learning Experience in developing, training/tuning large generative models or LLMs Experience with machine learning frameworks such as JAX and/or PyTorch Proficient programming skills in Python

Preferred Qualifications


Experience in reinforcement learning Experience with Speech LLMs or other Multimodal LLMs Experience with building & deploying AI agents and LLMs Experience with large scale machine learning training/evaluation Data-centric vision and hands-on experience in developing and scaling foundation models

Sample Apple interview questions

  • 1

    Design a typeahead box for a search engine

    system designmedium
  • 2

    Design a rate limiter

    system designmedium
  • 3

    Architect a key-value store for distributed systems.

    system designmedium
  • 4

    Design a system to schedule jobs in a distributed environment

    system designmedium
  • 5

    What is an API and how does it work?

    technicalmedium

Get started to unlock a personalized interview prep pack for this role.

Ready to apply?
You'll be redirected to Apple's application page.

Similar roles

See how RiseMe works

Match, tailor, and prep so you send fewer applications and land more interviews.