Microsoft's Bing Fundamentals team is seeking a Principal Software Engineer to join their IndexServe team, focusing on building large-scale distributed systems for search, recommendation, and AI services. The role involves working with one of the world's largest distributed systems, serving the biggest index while incorporating cutting-edge LLM and deep learning techniques. The position offers a unique opportunity to simplify the serving stack and drive relevance innovations through advanced AI technologies. The team is responsible for building an agile, performant, and efficient index serving platform that enables quick implementation and iteration of relevance techniques. Working in Microsoft's inclusive culture, you'll contribute to empowering every person and organization globally while collaborating with cross-functional teams to design and deliver innovative solutions. The role requires expertise in high-performance computing, distributed systems, and machine learning, offering competitive compensation and comprehensive benefits. This position is perfect for someone passionate about large-scale systems and AI innovation, working at the forefront of search technology.