Senior Principal AI/ML Architect, Yahoo Mail
Core
Define and drive architectural vision for agentic, assistive, and personalization intelligence across Yahoo Mail and adjacent properties, enabling systems that reason, act, and orchestrate workflows at global scale.
Role type
Senior Principal AI/ML Architect (IC6)
Builds
Mission-critical AI systems, multi-agent platforms, and next-gen personalization infrastructure for Yahoo Mail
Domain
Consumer email, large-scale AI/ML, agentic systems, personalization
Deliverable
production ML models
Required skills
Distributed ML systems, LLMs and generative AI, Personalization and ranking systems, Production inference infrastructure, Architecture across multiple teams, Translating business strategy into technical strategy
Preferred skills
Multi-agent systems design, Tool-augmented LLM orchestration, Memory and context frameworks, Human-in-the-loop patterns, Cross-product intelligence graphs, Real-time ranking systems
Technologies
LLM hosting strategies, Model serving frameworks, Retrieval and reasoning architectures
Responsibilities
Lead architecture for mission-critical AI systems, Define reference architectures for multi-agent and hybrid systems, Set engineering and operational standards at business unit level, Mentor principal and senior engineers, Represent Yahoo engineering externally, Drive build-vs-buy decisions at business-unit scale
Seniority
Senior Principal, hands-on IC with strategic influence