Sr. Software Development Engineer, AWS Proactive Security

About the role

AWS customers trust us with their most sensitive data. We're building cryptographic systems that enhance customer control over access to their data and metadata. You'll design and implement complex systems using Rust, PKI, formal verification, and distributed systems that strengthen customer data protection while maintaining operational efficiency at scale. You'll own multi-quarter initiatives from design through deployment, building systems that give customers verifiable control over who accessed their resources and when. Working as part of the Piezo team, you'll drive security outcomes across AWS service teams and influence technical direction at the organizational level. Your work will have CISO-level visibility and shape how tens of thousands of Amazon builders design and operate their services.

You'll work on authentication systems, cryptography, PKI, system hardening, and large-scale security architecture. You'll lead technical discussions, drive consensus on complex decisions,