Director of Engineering, Core & Ads Serving Platform
Core
Lead technical strategy and execution for indexing and retrieval infrastructure across Core, Ads, and Shopping to generate fresh, relevant, and cost-efficient candidates for discovery experiences.
Role type
Principal Engineer (Infrastructure & Retrieval)
Builds
Unified real-time and incremental retrieval systems, shared platform capabilities, and large-scale indexing architecture.
Domain
Internet / Search & Recommendation / Distributed Systems
Deliverable
production ML models | infrastructure
Required skills
Large-scale indexing and retrieval system design, real-time and incremental architecture, cross-org technical leadership, system modernization, systems thinking, AI-assisted engineering workflows, critical evaluation of AI outputs
Preferred skills
Experience with architectural convergence, migration from legacy systems, introduction of new infrastructure capabilities at scale
Technologies
Distributed infrastructure, retrieval systems, real-time systems
Responsibilities
Define long-term technical vision for indexing and retrieval infrastructure, lead cross-org initiatives to modernize indexing architecture, partner with engineering 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 and prototyping, use AI to streamline repeatable work like summarizing investigations and drafting design artifacts
Seniority
Principal, strategy & mentorship
