Sr Software Engineer

Cyber threats are a growing concern, impacting individuals and organizations worldwide. At Microsoft Security, we are committed to protecting users through intelligent, scalable, and resilient security solutions.

We are looking for a passionate and experienced Senior Software Engineer to join the Microsoft Defender for Office (MDO) team.

This role offers the opportunity to build and scale cloud-native security systems that protect millions of users from sophisticated threats like phishing, malware, and business email compromise.

• Design and implement high-scale, low-latency backend services and data pipelines hosted in Azure to support MDO’s threat detection and remediation workflows.
• Make architectural decisions that shape the future of MDO’s security infrastructure and influence cross-team technical direction.
• Collaborate with PMs and partner teams to deliver end-to-end features that enhance threat protection capabilities.
• Lead investigations and resolution of live site issues, driving improvements in service reliability and incident response.
• Contribute to architectural discussions, code reviews, and engineering best practices across the team and broader MDO organization.
• Develop and refine internal tools and observability systems to improve diagnostics, telemetry, and operational efficiency.
• Mentor junior engineers and foster a culture of innovation, inclusion, and continuous learning.