Microsoft's Experimentation team is seeking a Principal Software Engineer to work on ExP, one of the world's largest online A/B experimentation platforms. This platform serves Microsoft's premier teams including Azure, Teams, Bing, and Office. The role involves pushing the boundaries of data leveraging and transforming software development practices. You'll be part of an agile, diverse engineering team, working closely with world-class data scientists and leadership. The position offers a unique opportunity to help evolve the ExP platform into an Azure offering for third-party customers. The role requires expertise in building scalable cloud services, analytics platforms, and big data technologies. You'll lead technical initiatives, mentor team members, and drive architectural decisions that impact major Microsoft products. The position offers competitive compensation, comprehensive benefits, and the chance to work on technology that affects millions of users worldwide. Microsoft values diversity and inclusion, seeking different perspectives to better serve their customers and achieve their mission of empowering every person and organization on the planet.