Microsoft Teams, the fastest-growing business application in Microsoft history with 80+ million daily users, is seeking a Software Engineer II to lead client release and feature flighting across multiple platforms. You'll be working on infrastructure that enables rapid feature delivery to millions of users within minutes. The role involves working with big data to understand customer usage and enable quick issue detection and debugging. Microsoft offers an inclusive, casual, and high-energy culture where team members from diverse backgrounds collaborate to solve complex challenges. The position focuses on developing and maintaining CI/CD infrastructure, building developer productivity tools, and ensuring system reliability. You'll be part of a team that's central to Microsoft's vision for intelligent communications and workplace productivity, with opportunities to learn new technologies and grow your career quickly. The role combines technical leadership with hands-on development, requiring both engineering expertise and strong collaborative skills.