Microsoft Security is seeking a Senior Software Engineer to join the Microsoft Defender for Endpoint (MDE) team, focusing on protecting consumers and enterprises from cyber-attacks. The role involves designing and building next-generation endpoint protection, optimizing for latest silicon innovations and Windows OS enhancements. You'll be working on championing fundamentals such as performance and reliability, scaling platforms, and driving foundational changes throughout the Defender stack. The position offers tremendous growth opportunities across multiple dimensions, allowing you to work across divisional boundaries while making a meaningful impact on society. Microsoft Security aspires to make the world a safer place by reshaping security and empowering users, customers, and developers with end-to-end, simplified solutions. The team culture embraces a growth mindset, excellence, and encourages bringing your best each day. The role requires deep understanding of Windows operating system, strong architectural skills, and focus on performance, reliability, and extensibility. You'll be part of a mission-critical team developing innovative proactive protection, detection, and response technologies to stay ahead of malicious actors.