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

Socket.dev; Seattle, California (WA, MO); On-site; USD 180,000 - 260,000; Full time

Job summary

Apple's Core Infra team in Seattle is seeking an experienced software engineer to work on core infrastructure for information intelligence, powering Siri and Apple products for billions of users. You will design, build, and operate large-scale distributed systems, collaborate with product teams, and ensure reliable, scalable infrastructure across AWS/GCP and Kubernetes.

If you thrive on challenging problems, have 10+ years in software development, strong CS fundamentals, and excellent

Qualifications

• 10+ years of software development in large-scale cloud infrastructure.
• Proven experience designing, building, and operating distributed systems and backend services.
• Strong networking knowledge (TCP/IP, DNS, HTTP) and system design fundamentals.
• Excellent communication and collaboration skills to work effectively with cross-functional teams.
• BS, MS, or Ph.D. in Computer Science or a related field, or equivalent experience.

Responsibilities

• Design, build, and operate core infrastructure powering information intelligence at scale.
• Collaborate with product and information intelligence teams to deliver reliable systems.
• Improve indexing, ranking, and retrieval quality for billions of users.

Skills

Distributed systems

Large-scale cloud infra

Kubernetes

Cloud platforms (AWS/GCP)

Networking (TCP/IP/DNS/HTTP)

Backend services design

Algorithms & data structures

Cross-functional collaboration

CS fundamentals

Education

BS/MS/PhD in Computer Science or related field

Tools

Kubernetes

AWS

GCP

Job description

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.

Minimum Qualifications

• 10+ years of experience of software development in developing and operating large-scale cloud infrastructure.
• 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