Job Details

Senior Speech Machine Learning Engineer

Cambridge, Massachusetts, United States

Machine Learning and AI

Summary

Posted: Jun 25, 2025

Role Number: 200610773

Want to join the team pushing the boundaries of AI and building an intelligent assistant that helps millions of people get things done? Join the Siri team at Apple. To build the best speech recognition models, we need to use the latest technology in distributed training and the best available data. We combine those needs into one team and are focused on blurring the lines between traditional “data processing” and “model training”. Efficiently training on petabytes of audio data pushes us to consider the entire training stack while developing new models to extract useful signals from unprecedented volumes of data.

By joining our team, you’ll have the opportunity to work with large and diverse datasets, iterate with research and production teams, and deliver voice based experiences to millions of users worldwide.

Description

The Siri Speech team is looking for exceptional individuals to extend the core technology that let Siri understand, learn, and remember. You will be part of a cross-functional team consisting of software engineers as well as machine learning engineers/scientists and having a large impact on the Siri product. This is a rare opportunity to apply machine learning and deep learning techniques at the intersection of various areas such as speech recognition, natural language processing, and dialogue management.

In this role you will
- Work with open source tools like PyTorch, Jax, Ray and others
- Run data based ablation studies
- Use open source or train models to extract signals from large volumes of speech data to drive modeling improvements

Minimum Qualifications

• Machine Learning background in speech and/or language/text/dialogue processing field

• Processing large, complex, unstructured data

• Speech understanding or generation model training

• Evaluation of multiple open source models

Preferred Qualifications

• M.S. or Ph.D. degree in Computer Science, or equivalent experience

• Knowledge of JAX, PyTorch

• Deep knowledge of distributed data processing frameworks (Beam, Spark, Dask, Ray)

• Strong software engineering abilities, ideally C++ and/or Java and/or Python

• Real passion for building research demo prototypes and turning them into production quality design/implementation

• Strong interpersonal skills to work well with engineering teams

• Excellent problem solving and critical thinking

• Ability to work in a fast-paced environment with rapidly changing priorities

• Passionate about building extraordinary products and experiences for our users

Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics.Learn more about your EEO rights as an applicant (https://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12ScreenRdr.pdf) .

Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics.Learn more about your EEO rights as an applicant (https://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12ScreenRdr.pdf) .

Apple will not discriminate or retaliate against applicants who inquire about, disclose, or discuss their compensation.

Apple participates in the E-Verify program in certain locations as required by law.Learn more about the E-Verify program (https://www.apple.com/jobs/pdf/EverifyPosterEnglish.pdf) .

Apple is committed to working with and providing reasonable accommodation to applicants with physical and mental disabilities. Reasonable Accommodation and Drug Free Workplace policy Learn more .

Apple is a drug-free workplace. Reasonable Accommodation and Drug Free Workplace policy Learn more .

Apple will consider for employment all qualified applicants with criminal histories in a manner consistent with applicable law. If you’re applying for a position in San Francisco, review the San Francisco Fair Chance Ordinance guidelines applicable in your area.

It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.