Microsoft is seeking a Senior Software Engineer to join their team, focusing on complex compiler and build system challenges. This role combines deep technical expertise with innovative problem-solving, requiring the successful candidate to design and implement software solutions that streamline compiler upgrades and ensure efficient, reproducible build systems. The position offers an opportunity to work with cutting-edge technology at one of the world's leading tech companies, with a focus on enabling developers to work with up-to-date tools while maintaining high code quality standards. The role involves working with C++20, distributed build systems, and modern authentication mechanisms, making it perfect for engineers passionate about developer tools and infrastructure. Located in Redmond, WA, this position offers competitive compensation ranging from $117,200 to $229,200, along with comprehensive benefits including healthcare, educational resources, and parental leave. The ideal candidate will have 4+ years of experience and a strong background in computer science, particularly in areas like compiler technology and build systems.