Apple

Sr. Applied ML Engineer, Apple Services Localization Engineering

Apple$130K — $180K *
Consumer Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • BS/MS/PhD in a quantitative field (Computer Science, Math, Statistics, Physics) and 5+ years of relevant experience
  • Strong software engineering fundamentals with proficient programming skills in Python
  • Hands-on experience with deep learning toolkits such as JAX, TensorFlow, or PyTorch
  • Proven track record in training or deploying large models in production
  • Experience in building or operating large-scale, distributed production systems
  • Deep understanding of Deep Learning, Large Language Models (LLMs), and Natural Language Processing (NLP)

Responsibilities

  • Develop and enhance machine translation models and core language systems
  • Implement scalable localization systems for user-facing applications
  • Utilize agentic workflows and foundation modeling approaches in projects
  • Design and maintain production systems for operational effectiveness
  • Collaborate on advancements in deep learning, model compression, and transfer learning
  • Engage in large-scale software development for various localization services

Benefits

  • Comprehensive health benefits package
  • Opportunities for professional growth and development
  • Collaborative work environment with a focus on innovation
  • Flexible work arrangements to support work-life balance
  • Access to the latest tools and technologies in machine learning and localization
Full Job Description
Description

We build and develop the core language and machine translation models that power Localization across Services in an efficient and scalable manner - and the production systems that put those models in front of users. We work on a wide spectrum of approaches, including agentic workflows, foundation modeling, deep learning, model compression, and transfer learning. We also build the systems that power Apple Music lyrics translations and lyrics transliterations (phonetic pronunciation). This position spans applied modeling and the software engineering needed to ship at scale, offering a unique chance to work where Localization meets state-of-the-art, large-scale software development.

Does this sound like you? Join our team!

Minimum Qualifications

BS/MS/PhD in a quantitative field (Computer Science, Math, Statistics, Physics, etc.) and 5+ years of relevant experience.

Strong software engineering fundamentals and proficient programming skills in Python, with experience writing and maintaining production-quality code.

Hands-on experience with deep learning toolkits such as JAX, TensorFlow, or PyTorch.

Proven track record training or deploying large models in production.

Experience building or operating large-scale, distributed production systems.

Deep understanding of Deep Learning, Large Language Models (LLMs), and Natural Language Processing (NLP).

Preferred Qualifications

PhD in a quantitative field, or equivalent depth in machine translation, multilingual NLP, or applied LLM research.

Experience with machine translation and translation-quality evaluation (e.g., COMET, BLEU, human evaluation).

Experience optimizing model serving and inference - quantization, distillation, or compression - for low-latency, high-throughput deployment.

Familiarity with MLOps and model-deployment infrastructure.

Experience building LLM-based agents, including the ReAct pattern in agentic workflows.

About Apple

Apple is a corporation that designs, manufactures, and markets mobile communication and media devices, personal computers, portable digital music players, and sells a variety of related software, services, peripherals, networking solutions, and third-party digital content and applications. Apple provides many products and services, including iPhone; iPad; iPod; Mac; Apple TV; a portfolio of consumer and professional software applications; the iOS and OS X operating systems; iCloud; and accessories, service, and support offerings. It sells its products worldwide through its retail stores, online stores, direct sales force and third-party cellular network carriers, wholesalers, retailers, and value-added resellers to the consumer and also sells third-party iPhone, iPad, Mac and iPod compatible products, including application software and accessories through its online and retail stores. Introduced in 1984, the Macintosh was the first widely sold personal computer with a graphical user interface (GUI). That feature and others such as an improved floppy drive design and a low-cost hard drive that made data retrieval faster helped Apple cultivate a reputation for innovation. Apple was named as the most admired company in the United States in 2008 and in the world from 2008 to 2012 by the Fortune magazine. The company was founded by Steven Paul Jobs, Steve Wozniak, and Ronald Gerald Wayne on April 1, 1976, and is headquartered in Cupertino, California.

Apple Careers

Join Apple, a place where extraordinary people gather to do their best work. Our ever-expanding global team is at the forefront of innovation and leadership in the tech industry. At Apple, we're not just building products—we're crafting the kind of wonder that revolutionizes entire industries. It's the diversity of our people and their ideas that inspires the innovation that runs through everything we do, from amazing technology to industry-leading environmental efforts. Work You’ll Do Embark on a journey with Apple’s market-leading team to help some of the world’s most influential companies navigate their path to digital mastery with cutting-edge technology and services. Transform industries and touch lives with your unique ideas at Apple. Here, you’ll lead through a unique position at the intersection of technology, creativity, and robust industry expertise. Collaborate with a global team of professionals who are at the top of their game in technology and design. Apple isn’t just a company, it’s a community of innovators and passionate thinkers. Introducing the Apple Innovation and Leadership Initiative We are building a market-leading team to drive our efforts in delivering groundbreaking solutions and services. At Apple, job opportunities are abundant, offering you the chance to explore diverse roles from engineering to marketing, all designed to empower your career growth. Do Innovative Work Join the largest group of creative and technical experts in the world—professionals dedicated to redefining what’s possible through technology and innovation. Deliver targeted solutions through a depth and breadth of expertise that’s unmatched, driving forward our commitment to excellence and leadership in every project we undertake. Be Part of a Great Team Engage in a wide range of projects utilizing Apple’s technology and resources. Harness the unparalleled capabilities, global scale, and joint solution development that only Apple can offer. Future-Proof Your Career Advance your career with limitless opportunities at Apple. Go as far as your ambition takes you with unmatched training, development, and certification support. Explore Discover how Apple is leading the way in tech innovation: [With iOS] Businesses can streamline operations and enhance customer interactions... READ MORE Smart home technology integration that sets the standard for convenience and security... READ MORE The Apple Experience Our combined service capabilities, global scale, and joint solution development help clients overcome challenges and lead transformation in their industries. Clients worldwide look to Apple for new strategies and solutions that drive growth and innovation in the digital era. Stay Connected Join Our Team Search open positions that match your skills and interests. We look for passionate, curious, creative, and solution-driven team players. Whether you’re seeking a professional role, an internship, or a leadership position, Apple offers a variety of employment opportunities. SEARCH APPLE JOBS Keep Up to Date Stay ahead with career tips, insider perspectives, and industry-leading insights you can put to use today—all from the people who work here. READ CAREERS BLOG Job Alert Emails Personalize your subscription to receive job alerts, latest news, and insider tips tailored to your preferences. See what exciting and rewarding opportunities await at Apple, a company committed to diversity, innovation, and leadership. Explore job opportunities, employment benefits, and the culture of growth and innovation at Apple. Prepare your resume, hone your interview skills, and ready yourself for a career at one of the most prestigious companies in the world. Join us in pushing the boundaries of what is possible.
Learn more about Apple
Size
154,000 employees
Market Cap
$2,074.3 billion
Industry
Net Income
$63.9 billion
Founded
1976
5 Year Trend
+11.5%
Revenue
$294.1 billion
NASDAQ

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