Microsoft is seeking a Principal Software Engineer to lead the development of Microsoft Graph and Copilot Extensibility Developer Experiences tooling in Prague. This role offers an exciting opportunity to shape the next generation of developer experiences while working with a globally distributed team across USA, Canada, and Kenya. The position requires a strong technical background in cloud services and complex business applications, with extensive experience in .NET core and C#. The ideal candidate will combine hands-on engineering excellence with leadership abilities, mentoring junior team members while driving architectural decisions. Microsoft offers a collaborative, diverse environment with a growth mindset culture, focusing on innovation and empowering others. The role includes up to 100% work from home flexibility and comprehensive benefits. This position is perfect for experienced engineers passionate about building new products while maintaining complex systems in production, offering the chance to make a significant impact on Microsoft's developer tooling ecosystem.