**Overview**

Join the team that powers one of the most heavily used and most visible capabilities in Windows: **Search** . As Windows evolves into an agent-first, AI-powered operating system, Search is becoming the primary discovery, reasoning, and grounding layer across user journeys and agentic experiences. The Windows AI Platform team is responsible for building the core Search, indexing, and semantic understanding infrastructure that serves more than a billion users worldwide.

This role is for a **Principal Software Engineer** with deep prior Search experience who will define and drive the architectural direction of Windows Search and related semantic systems, spanning indexing, retrieval, ranking, reliability, and AI-powered experiences.

**Role Overview**

As a **Principal Software Engineer** , you will define the long-term technical vision for Windows Search and semantic retrieval systems and building graph data across systems. You will work...