Microsoft Ads powers one of the world’s largest digital advertising ecosystems, delivering billions of recommendations every day. We are seeking a Principal Applied Scientist to define and advance R&D of retrieval, matching, ranking, and generation algorithms across our ad recommendation systems.

In this role, you will shape the science and innovation strategy by leveraging and improving LLM/SLM/LRM and productionize breakthroughs at web scale. Your work will directly influence how ads are discovered, matched, and generated — improving user experience, advertiser ROI, and the efficiency of the entire ads platform.

 

Microsoft’s mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.