Microsoft Entra is seeking a Senior Software Engineer to join their Routing team, focusing on increasing the availability of mission-critical services that serve over 1 billion users globally. This role is part of Microsoft Security, which aims to make the world safer through end-to-end security solutions. The position involves working on crucial services like traffic management, runtime platform (K8s), and livesite management, processing millions of requests per second with high availability targets (>99.99%). The role offers a hybrid work environment with up to 50% work from home flexibility and competitive compensation ranging from $117,200 to $229,200 per year. The ideal candidate will have strong expertise in distributed systems, high-performance coding, and production environment experience. This is an opportunity to work on large-scale security infrastructure while contributing to Microsoft's mission of empowering every person and organization on the planet to achieve more.