Principal Software Engineer - Platform Architect
Microsoft Corporation
Redmond, WA
Job posting number: #7318727 (Ref:ms-1898004)
Posted: October 20, 2025
Job Description
Microsoft Teams is a unified communication and collaboration platform built from the ground-up on Azure, serving millions of users worldwide at scale. We are seeking a Principal Software Engineer - Platform Architect for the Teams Platform, with a focus on AI & LLM technologies, to design and build our next-generation programmability and API interfaces across Microsoft Teams & M365 and to help lead our next-generation AI platform and extensibility model.
In this role, you’ll shape the infrastructure that enables Independent Software Vendors (ISVs) and enterprise developers to introduce intelligent AI agents within Teams. You’ll design systems that support Model Context Protocol (MCP), agent-to-agent communication, and secure LLM-driven experiences at hyperscale. You will be empowered to make product-wide technical decisions, directly impacting Microsoft’s flagship product. You’ll work within a highly dynamic, collaborative environment rooted in Microsoft’s mission to empower every person and organization on the planet to achieve more fueled by innovation, respect, integrity, accountability, and inclusion.
Are you interested in working for one of the most exciting product groups in Microsoft? You will be building solutions that leverage state-of-the-art technologies to deliver the next evolution in collaboration and teamwork.
Our culture is inclusive, casual, and high energy; our team members come from diverse backgrounds and is grounded in our customer needs. This is a fantastic opportunity to build services and experiences that millions of people worldwide will use at home, at school, at work, and across their daily lives.
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.