Microsoft Entra, part of Microsoft's Security, Compliance, Identity and Management Division, is seeking a Software Engineer II to join their Routing team. This role focuses on building and maintaining mission-critical services that process millions of requests per second and power hundreds of billions of authentications daily. The position involves working with distributed systems at extreme scale, with challenging availability targets exceeding 99.99%. You'll be part of a dynamic team working on traffic management, runtime platform (Kubernetes), and livesite management. The role requires both strategic thinking in system design and hands-on implementation skills. Microsoft Entra's products are fundamental to the technology experience of billions of users globally, powering everything from Windows to Office, Azure to Xbox. This is an opportunity to work on core infrastructure that directly impacts Microsoft's most critical services, requiring expertise in high-performance computing, networking, and distributed systems. The role offers competitive compensation, comprehensive benefits, and the chance to work with cutting-edge technology at global scale.