Microsoft Security is seeking a Senior Software Engineer to join their Core Authentication team in Entra ID. This role is crucial in shaping services that power authentications for millions of organizations, issuing hundreds of billions of tokens daily. The position offers the opportunity to work on highly distributed, scalable services maintaining four-nine availability SLA. You'll be involved in innovative security capabilities like conditional access, continuous access evaluation, and token binding. The team operates at massive scale, directly impacting billions of users worldwide. Microsoft's culture emphasizes growth mindset, diversity, and inclusion, providing numerous opportunities for learning and career advancement. The role involves working with cutting-edge technology in authentication and security, making a significant impact on global digital security infrastructure. You'll be part of Microsoft's mission to reshape security and empower users, customers, and developers with comprehensive security solutions. The position offers competitive compensation, comprehensive benefits, and the chance to work with industry-leading professionals in a collaborative environment.