Principal Software Engineering Manager - Substrate efficiency

Overview M365 Copilot inference is a high-impact engineering team advancing applied AI and large-scale machine learning across Microsoft. We design and operate the platform powering Microsoft 365 Copilot experiences, delivering intelligent capabilities to millions of users. Our team owns one of the world's largest AI inference platforms, operating at massive GPU scale across global datacenters. We build the core LLM API and routing services that enable low-latency, highly available AI experienc…