Apple

Machine Learning Engineer, Web Indexing Team

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

Qualifications

  • 7+ years of software engineering experience focused on large-scale distributed systems or infrastructure
  • Strong coding skills in Python, Java, Go, or C++
  • Solid understanding of algorithms and data structures
  • Hands-on experience with data processing frameworks like Spark or Hadoop
  • Experience with AWS cloud services and Kubernetes orchestration
  • Ability to independently drive end-to-end projects in a team
  • MS or PhD in Computer Science or related field, or equivalent experience
  • 10+ years of experience with a senior or staff level impact
  • Experience in designing RAG systems or AI/ML pipelines
  • Strong background in machine learning, NLP, or information retrieval
  • Proven experience managing petabyte-scale systems with trillions of records

Responsibilities

  • Develop and implement technology for algorithmic search and machine learning
  • Build infrastructures that support advanced intelligent systems
  • Process and analyze massive datasets for user-friendly content retrieval
  • Utilize statistical analysis to enhance content selection and retrieval
  • Create a Retrieval-Augmented Generation (RAG) indexing framework for customization
  • Oversee large-scale data processing and the management of complex records
  • Collaborate with cross-functional teams to influence technical direction

Benefits

  • Work in a high-performance computing environment
  • Opportunity to build products that impact millions of users globally
  • Access to petabytes of data and complex challenges
  • Engage in innovative projects that utilize cutting-edge AI technology
  • Collaborative and independent work atmosphere fostering growth
Full Job Description
Do you want to make Siri and Apple products smarter for our users? The MLPT & Infrastructure teams are building groundbreaking technology for algorithmic search, machine learning, natural language processing, and artificial intelligence. The features we build are redefining how hundreds of millions of people use their computers and mobile devices to search and find what they are looking for. Our universal search engine powers search features across a variety of Apple products, including Siri, Spotlight, Safari, Messages, and Lookup. As part of this group, you will work within one of the most exciting high-performance computing environments, with petabytes of data and millions of queries per second, and have the opportunity to imagine and build products that delight our customers every single day. We design and build infrastructures to support features that empower billions of Apple users through advanced intelligence systems. Our team processes trillions of links to find the best content to surface to users via search and other intelligent features. We also analyze pages to extract critical features for indexing, ranking, and retrieval. We apply statistical analysis to enhance link selection, content freshness, retrieval rates, and extraction quality, among many other aspects. Furthermore, we are building a generic Retrieval-Augmented Generation (RAG) indexing infrastructure framework to allow indexing building customization and support fast experiment iteration. You'll have the opportunity to dive deeper into RAG systems, as well as large-scale data processing, managing trillions of records, petabytes of data, and the incredible complexity behind Apple Intelligence's products. 7+ years of software engineering experience, with a strong focus on large-scale distributed systems or infrastructure Strong coding proficiency in one or more languages (e.g., Python, Java, Go, C++) Solid foundation in computer science fundamentals including algorithms and data structures Hands-on experience with large-scale data processing and MapReduce-style frameworks (e.g., Spark, Hadoop) Experience with cloud services, particularly AWS (S3, EC2, EKS) and/or Kubernetes-based orchestration Proven ability to operate independently and drive projects end-to-end in a collaborative team environment MS or PhD in Computer Science or a related field, or equivalent practical experience 10+ years of software engineering experience, with demonstrated impact at a senior or staff level Experience designing and building RAG systems or other AI/ML indexing pipelines Background in machine learning, natural language processing, or information retrieval Experience managing systems operating at petabyte scale with trillions of records Strong communication skills with a track record of influencing technical direction across teams MS or PhD in Computer Science or a related field, or equivalent practical experience

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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