Apple

Apple

Posted via Apple Careers

Applied Machine Learning Engineer - Localization

Always Hiring

Posted Sep 4, 2026

Role at a glance

Job function
AI & Data Machine Learning Engineering
Salary
$150.4K – $277.6K/yr
Location
Cupertino, California, United States
Work arrangement
On-site
Employment
Full-time
Education
Master's

Spotted an issue?

We’ll check it against the original posting.

Log in to report

About the role

Original posting provided by Apple

View original

Summary

The Software Localization team powers the tooling, features and processes used to
create an exceptional localized experience for Apple’s international customers. We are
responsible for the Localization workflows in Xcode, framework-level Localization
support, localized OS features, and internal Localization tools used for high quality
Localization across all of Apple’s products.

We are in search of a creative, motivated, and passionate technical leader who has a
robust understanding of large language models (LLMs), generative AI, Natural
Language Processing (NLP) and Machine Translation (MT). An ideal candidate has the
ability to lead diverse cross-functional efforts to build the next generation of ML tooling
and end-user features for international locales. Strong engineering fundamentals and a
passion for this area are required.

Description

As an Applied ML Engineer in the Software Localization team, you will join a
phenomenal team of passionate engineers to design, implement and qualify
Localization features across a wide variety of Apple’s products. We are looking for an
exceptional candidate to help architect the future of localizing ML models and machine
translation. Your role is to ensure Apple and third-party developers using Xcode can
deliver world-class software products to millions of users around the world. Your duties
include:

- Leading the exploration and application of Large Language Models (LLMs) for
performing translation tasks

- Translating the latest research into high-quality systems and models that can be
practically applied to to further improve machine translation

- Actively engaging in all aspects of model development, from ideation, training,
experimentation to deployment.

- Collaborating with translation, Localization quality, project management and
engineering teams to develop and implement machine learning solutions

- Developing and maintaining features, frameworks and tools to help facilitate the
software translation process

- Experience with Machine Learning (ML), with a particular emphasis on Large
Language Models (LLMs) and Natural Language Processing (NLP)

- Proven ability to comprehend, interpret, and apply cutting-edge research into
consumer-oriented products

- Comprehensive knowledge and hands-on experience with fine-tuning approaches
and training models

- Experience adapting pre-trained LLMs for downstream tasks

Minimum Qualifications

MS in Computer Science, Artificial Intelligence, or Machine Learning (or equivalent experience)

Preferred Qualifications

Experience in software Localization / internationalization
Familiarity with Localization standards and technologies (Unicode, XLIFF, ICU, etc.)
Native-level foreign language skills in reading, writing and speaking
Experience in scripting languages (e.g. bash, Ruby, Perl)
Knowledge of Computational Linguistics
Published research in the field of Machine Learning or AI
Experience using Xcode to build software for Apple’s platforms
Proficiency with Objective-C and Swift programming languages
Proficiency with Apple’s development APIs (SwiftUI, Foundation, etc.)
Experience or curiosity in languages and culture
Comfortable working cross-functionally and cross-culturally
Proficiency using open-source ML toolkits and frameworks (e.g. PyTorch, TensorFlow,
OpenNMT)
Strong programming skills in Python, C or C++

Pay & Benefits — Cupertino, California, United States

At Apple, base pay is one part of our total compensation package and is determined within a range. This provides the opportunity to progress as you grow and develop within a role. The base pay range for this role is between $150,400 and $277,600, and your base pay will depend on your skills, qualifications, experience, and location.

Apple employees also have the opportunity to become an Apple shareholder through participation in Apple’s discretionary employee stock programs. Apple employees are eligible for discretionary restricted stock unit awards, and can purchase Apple stock at a discount if voluntarily participating in Apple’s Employee Stock Purchase Plan. You’ll also receive benefits including: Comprehensive medical and dental coverage, retirement benefits, a range of discounted products and free services, and for formal education related to advancing your career at Apple, reimbursement for certain educational expenses — including tuition. Additionally, this role might be eligible for discretionary bonuses or commission payments as well as relocation. Learn more about Apple Benefits

Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.

Application Deadline

Apple accepts applications to this posting on an ongoing basis.

Apple

About the company

Apple

Large Enterprise

Apple Inc. is a global technology company known for its innovative products and services, including the iPhone, iPad, Mac computers, and Apple Watch. Founded in 1976, Apple has continuously pushed the boundaries of design and functionality, earning a reputation for high-quality consumer electronics and software solutions like iOS and macOS. With a strong commitment to user experience and privacy, Apple also leads in digital services, offering platforms such as the App Store, Apple Music, and iCloud. The company's focus on sustainability and corporate responsibility further enhances its standing as a leader in the technology sector.