Apple

Apple

Posted via Apple Careers

Staff/Sr. Core Infrastructure Engineer, AI, Search & Knowledge Platforms

Always Hiring

Posted Sep 1, 2026

Role at a glance

Job function
Software Engineering & IT Cloud & Infrastructure Engineering
Salary
Not yet verified Check the description for pay details; an amount or pay period has not been verified.
Location
San Francisco Bay Area, California, United States Seattle, Washington, United States
Work arrangement
On-site
Employment
Full-time
Experience
Senior Level 10+ years of experience of software development in developing and operating large-scale cloud infrastructure.
Education
BS, MS, or Ph.D. in Computer Science or a related field, or equivalent experience

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Role Summary

AI-generated

Designs, develops, and operates large-scale backend infrastructure for Apple’s information intelligence and search features. The work supports systems that process links and data to surface content and improve search-related results.

What You'll Do

  • Design, develop, and operate large-scale backend infrastructure for information intelligence and search features.
  • Optimize large-scale data pipelines.
  • Collaborate with product, search, and machine learning teams to define infrastructure requirements and deliver solutions.
  • Monitor infrastructure health and performance, troubleshoot issues, and participate in an on-call rotation.

Generated from the employer's posting. Verify important details before applying.

View full posting

Qualifications

10+ years of software development experience developing and operating large-scale cloud infrastructure; end-to-end ownership of the Kubernetes cluster lifecycle, including control plane, container orchestration, networking, and storage; experience designing, building, and operating large-scale distributed systems and backend services, such as with AWS/GCP and Kubernetes; understanding of TCP/IP, DNS, and HTTP; communication and collaboration skills; software engineering fundamentals in data structures, algorithms, and system design.

Preferred

  • Experience with large-scale data processing, information retrieval, web search, or ranking systems

Original job description

Content provided by the employer

Summary

Do you want to make Apple products smarter for our users? The Core Infra team is looking for an experienced software engineer to work on core infrastructure for information intelligence at Apple. We build systems to connect Apple users to information as part of the wider Apple Intelligence initiative. You will work closely with product teams and information intelligence teams to deliver reliable, scalable, and efficient infrastructure that powers Apple products for billions of users.

Description

We design and build infrastructures to support features that empowers billions of Siri users. Our team processes trillions of links to find the best content to surface to users through search. We also analyze pages to extract critical features for indexing, ranking. We apply statistical analysis to improve link selection, freshness, retrieval rates, extraction quality, and many others. You'll have the opportunity to work with large scale systems with trillions of rows and many petabytes of data and incredible complexity.

Responsibilities

Design, develop, and operate the large-scale backend infrastructure that powers Apple's information intelligence and search features
Optimize massive-scale data pipelines to process large volumes of data
Collaborate closely with product, search, and machine learning teams to define infrastructure requirements and deliver robust solutions
Ensure the health and performance of critical infrastructures by monitoring key metrics, troubleshooting complex issues, and participating in an on-call rotation

Minimum Qualifications

10+ years of experience of software development in developing and operating large-scale cloud infrastructure.
End to end ownership of the Kubernetes cluster lifecycle (control plane, container orchestration, networking, storage)
Proven experience designing, building, and operating large-scale distributed systems and backend services (e.g., using cloud platforms like AWS/GCP and container orchestration like Kubernetes)
Solid understanding of networking protocols (e.g., TCP/IP, DNS, HTTP) and their application in building large-scale systems
Excellent communication and collaboration skills to work effectively with cross-functional teams
Strong software engineering fundamentals in data structures, algorithms, and system design
BS, MS, or Ph.D. in Computer Science or a related field, or equivalent experience

Preferred Qualifications

Experience with large-scale data processing, information retrieval, web search, or ranking systems

Pay & Benefits — Seattle, Washington, 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 $175,000 and $308,500, 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.