Principal Software Engineer Were building the next-gen AI agents in Microsoft Teams not just assistants, but autonomous agents that think, reason, and act to drive real outcomes for frontline customers. This is one of the most high-impact and technically exciting areas in AI today, where deep LLM work meets real-time systems to push the boundaries of agentic AI! Microsoft Teams is the central hub for teamwork, bringing together people, content, and tools to enhance team engagement and effectiveness. It plays a pivotal role in Microsofts vision for modern work, modern life, and modern education. Our team focuses on bringing the power of AI through Microsoft Teams and Microsoft Copilot to our frontline customers. Frontline customers span across multiple industries such as Retail, Healthcare, Manufacturing, Travel, Finance, etc. and have numerous earned differences (e.g. are often mobile-first, often use more voice communication than text communication) from other kinds of users that makes this a field filled with challenges and opportunities! We are looking for a Principal Software Engineer who thrives in a fast-moving, innovation-driven environment. Come shape the future of frontline productivity at the heart of Microsoft Teams and Microsoft 365 Copilot where your ideas matter and your code ships to millions! In this role, you will: Work on a product that is directly used by the customer (one or more agents). Contribute to the platform and infrastructure required to deliver those agents. Collaborate and work across multiple disciplines. Communicate priorities and tradeoffs to lay out a path for achieving our vision. Lead by example, mentor others and help them grow by learning from you. Continuously iterate and apply learnings to improve quality and execution of the product at scale. Inspire and motivate individuals to work together towards common goals. Our culture is inclusive, customer-driven; our team members come from diverse backgrounds, are passionate and loyal to coworkers and our products, and grounded in our customer and business needs. Our team has a sense of artisanship and accountability and provides its members many opportunities for learning and career growth. Microsofts 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.