Principal Software Engineer

Job Description

Principal Software Engineer position at Microsoft focusing on AI & LLM technologies for the Teams Platform to design and build next-generation programmability and API interfaces, and lead the next-generation AI platform and extensibility model.

Requirements

• Bachelor's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages like C, C++, C#, Java, JavaScript, or Python OR equivalent experience.
• 6+ years of experience focused on advanced software development and architecture, building commercial-grade, high-availability services.
• 6+ years of experience driving software platform architecture projects from both technical and functional perspectives.

Responsibilities

• Define long-term technical strategy for Teams API and AI platform initiatives, including agent-to-agent protocols, composable LLM pipelines, and developer extensibility.
• Architect complex, scalable systems involving distributed microservices, multi-tenant routing, LLM orchestration, tool integration, and secure API endpoints.
• Build hyperscale LLM-enabled infrastructure to support developer-deployed AI agents, multi-step workflows, data connectors, and runtime MCP patterns across global Teams environments.
• Design APIs & SDKs for AI applications, allowing ISVs to deploy, configure, and manage LLM-powered agents and tools within Teams.
• Drive engineering culture by championing scalability, reliability, observability, security, operational excellence, and customer obsession.
• Collaborate with leadership, cross-functional teams, and ecosystem stakeholders to deliver unified, strategic outcomes.
• Hands-on leadership in developing, debugging, optimizing, and maintaining platform features end-to-end.
• Troubleshoot complex infrastructure issues at scale, proactively reduce incidents, and maintain on-call readiness.
• Mentor and foster growth by guiding engineers toward excellence in distributed platforms and AI infra.

Benefits

• Industry leading healthcare
• Educational resources
• Discounts on products and services
• Savings and investments
• Maternity and paternity leave
• Generous time away
• Giving programs
• Opportunities to network and connect