Microsoft is seeking a Principal Software Engineer to work on products that impact billions of users globally, specifically focusing on enabling mobility-impaired users to be productive on Windows. This role requires extensive experience in C++ and Windows development, combining technical leadership with hands-on coding. The position involves leading technical design, innovation, and mentorship while maintaining high engineering standards. Working in Microsoft's inclusive culture, you'll collaborate with various teams to develop cutting-edge solutions that align with the company's mission to empower every person and organization. The role offers a hybrid work environment with up to 50% work from home flexibility and requires 0-25% travel. This is an excellent opportunity for experienced engineers passionate about accessibility and technical innovation to make a significant impact at a global scale.