
Staff/Sr. Core Infrastructure Engineer, AI, Search & Knowledge Platforms
Required skills
- AI
- Search
- Apple Intelligence
- large-scale distributed systems
- backend services
- AWS
- GCP
- Kubernetes
- TCP/IP
- DNS
Nice to have
- large-scale data processing
- information retrieval
- web search
- ranking systems
- trillions of links
- petabytes of data
Role summary
Apple is seeking an experienced Staff/Sr. Core Infrastructure Engineer for its AI, Search & Knowledge Platforms team. This role involves building and operating large-scale, reliable, and efficient infrastructure to power Apple Intelligence features for billions of users. You will work with massive datasets (trillions of links, petabytes of data) and collaborate closely with product and information intelligence teams. Key responsibilities include designing and implementing distributed systems, backend services, and networking protocols, with a focus on information retrieval, search, and ranking systems.
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
Sample Apple interview questions
- 1
Design a typeahead box for a search engine
system designmedium - 2
Design a rate limiter
system designmedium - 3
Architect a key-value store for distributed systems.
system designmedium - 4
Design a system to schedule jobs in a distributed environment
system designmedium
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