Principal Engineer, Shopping & Delivery Infra
Core
Lead technical strategy and execution for indexing and retrieval infrastructure powering Core, Ads, and Shopping discovery experiences at scale.
Role type
Principal Engineer (Infrastructure & Search)
Builds
Unified real-time and incremental retrieval systems, shared platform capabilities for metrics and debugging, and modernized indexing architectures.
Domain
E-commerce / Advertising / Search Infrastructure
Deliverable
production ML models | infrastructure
Required skills
Large-scale indexing and retrieval system design, real-time and incremental architecture, distributed infrastructure optimization, cross-org technical leadership, system modernization, AI-assisted engineering workflows, critical evaluation of AI outputs, complex platform tradeoff analysis
Preferred skills
Experience with relevance tradeoffs, cost-efficient infrastructure scaling, mentoring senior engineers
Technologies
(Not explicitly listed)
Responsibilities
Define long-term technical vision for indexing and retrieval; lead cross-org initiatives to modernize indexing architecture; partner with engineering, product, and ML leaders to align priorities; raise the technical bar for retrieval infrastructure via system design and architecture reviews; build shared platform capabilities for metrics and debugging; mentor senior engineers and technical leaders; use AI to accelerate analysis, prototyping, and iteration; use AI to streamline repeatable work like summarizing investigations and drafting design artifacts
Seniority
Principal, strategy & mentorship
