Microsoft Security is seeking a Software Engineer to join their Microsoft Entra group, which serves over a billion active users through Microsoft Entra ID and Microsoft Account services. As part of the Core Authentication team, you'll work on critical authentication services that secure access to applications and services across Microsoft's ecosystem. This role offers the opportunity to work on hyper-scale services that impact billions of users monthly, focusing on distributed systems and core authentication infrastructure. You'll join a collaborative team of passionate engineers in a hybrid work environment, where you'll help build and maintain critical services while contributing to the team's engineering culture. The position requires strong technical skills in distributed systems, excellent communication abilities, and a commitment to maintaining high-availability services. Microsoft offers comprehensive benefits, a culture of growth and inclusion, and the chance to work on technology that impacts users worldwide.