Principal Applied Scientist, Advertiser Copilot

Microsoft is seeking a Principal Applied Scientist to lead the development of the Copilot Chat Assistant within their Advertising Platform. This role is at the forefront of AI innovation, working with cutting-edge Generative AI technology to help advertisers optimize their campaigns and generate high-performing content.

The position offers an exciting opportunity to work with advanced technologies including Large Language Models (LLMs), agentic frameworks like Semantic Kernels, vector databases, and Retrieval Augmented Generation (RAG). As a Principal Applied Scientist, you'll lead a team of engineers and applied scientists, directly impacting Microsoft Ads' revenue metrics.

The role combines technical leadership with hands-on development, requiring expertise in machine learning and production systems. You'll be responsible for staying current with LLM advances, engineering optimal prompts, and creating automated workflows for advertisers. The position offers competitive compensation ranging from $161,600 to $286,200 (higher in SF and NYC areas), along with comprehensive benefits.

This is an ideal opportunity for an experienced technologist who wants to shape the future of AI-driven advertising solutions. The hybrid work environment (up to 50% work from home) provides flexibility, and the position is available in either Mountain View, CA or Redmond, WA. Microsoft's inclusive culture and mission to empower global achievement make this an attractive role for those seeking to make a significant impact in the AI and advertising space.

The successful candidate will have 8+ years of experience, with deep expertise in machine learning and production systems. You'll work at the intersection of AI technology and business solutions, creating innovative tools that enhance advertiser experiences and drive business growth.