Microsoft Entra, part of the Security, Compliance, Identity and Management Division, is seeking a Principal Software Engineer to join their Intelligent Data Experience (IDX) team. This role focuses on building and maintaining critical infrastructure that processes over two trillion Entra logs daily, supporting the entire Identity platform that serves over one billion users worldwide. The position involves working with distributed systems at extreme scale, designing elegant solutions for complex architectural challenges, and ensuring high availability (>99.99%) for services processing millions of requests per second. As a hands-on technical leader, you'll collaborate with global teams to ship critical software, balancing innovation with operational excellence. The role combines deep technical expertise with strategic thinking, requiring both architectural vision and practical implementation skills. Microsoft offers comprehensive benefits, including industry-leading healthcare, educational resources, and flexible work arrangements, with this position allowing up to 100% work from home with 0-25% travel requirements.