Applied Machine Learning Engineer - Localization

Role Number: 200681561Team: Software and ServicesLocation: CupertinoWeekly Hours: 40Posted: 2026-09-03SummaryThe Software Localization team powers the tooling, features and processes used tocreate an exceptional localized experience for Apple’s international customers. We areresponsible for the Localization workflows in Xcode, framework-level Localizationsupport, localized OS features, and internal Localization tools used for high qualityLocalization across all of Apple’s products.We are in search of a creative, motivated, and passionate technical leader who has arobust understanding of large language models (LLMs), generative AI, NaturalLanguage Processing (NLP) and Machine Translation (MT). An ideal candidate has theability to lead diverse cross-functional efforts to build the next generation of ML toolingand end-user features for international locales. Strong engineering fundamentals and apassion for this area are required.DescriptionAs an Applied ML Engineer in the Software Localization team, you will join aphenomenal team of passionate engineers to design, implement and qualifyLocalization features across a wide variety of Apple’s products. We are looking for anexceptional candidate to help architect the future of localizing ML models and machinetranslation. Your role is to ensure Apple and third-party developers using Xcode candeliver world-class software products to millions of users around the world. Your dutiesinclude:- Leading the exploration and application of Large Language Models (LLMs) forperforming translation tasks- Translating the latest research into high-quality systems and models that can bepractically 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 andengineering teams to develop and implement machine learning solutions- Developing and maintaining features, frameworks and tools to help facilitate thesoftware translation process- Experience with Machine Learning (ML), with a particular emphasis on LargeLanguage Models (LLMs) and Natural Language Processing (NLP)- Proven ability to comprehend, interpret, and apply cutting-edge research intoconsumer-oriented products- Comprehensive knowledge and hands-on experience with fine-tuning approachesand training models- Experience adapting pre-trained LLMs for downstream tasksMinimum QualificationsMS in Computer Science, Artificial Intelligence, or Machine Learning (or equivalent experience)Preferred QualificationsExperience in software Localization / internationalizationFamiliarity with Localization standards and technologies (Unicode, XLIFF, ICU, etc.)Native-level foreign language skills in reading, writing and speakingExperience in scripting languages (e.g. bash, Ruby, Perl)Knowledge of Computational LinguisticsPublished research in the field of Machine Learning or AIExperience using Xcode to build software for Apple’s platformsProficiency with Objective-C and Swift programming languagesProficiency with Apple’s development APIs (SwiftUI, Foundation, etc.)Experience or curiosity in languages and cultureComfortable working cross-functionally and cross-culturallyProficiency using open-source ML toolkits and frameworks (e.g. PyTorch, TensorFlow,OpenNMT)Strong programming skills in Python, C or C++Pay & BenefitsAt 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 BenefitsNote: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.EEO StatementApple 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 applicantAccessibilityAt Apple, we believe accessibility is a fundamental human right. You’ll find that idea reflected in everything here — in our culture, our benefits and our digital tools. By welcoming as many perspectives as possible, we help you build a career where you feel like you belong.Learn about accessibility in Apple’s workplaceLearn about reasonable accommodations for job applicantsApplication DeadlineApple accepts applications to this posting on an ongoing basis.