Sr. Software Development Engineer, AWS Proactive Security

# Sr. Software Development Engineer, AWS Proactive Security Amazon  
· amazon.com Category:
Cloud Security

Location:

Seattle, Washington, USALevel:
Senior## Quality of life

What the posting states. Hover or tap a perk to see the line it came from.
* Paid parental leave
* Retirement match
* Equity* Flexible PTOAWS 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 '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're a senior software engineer with deep expertise in distributed systems, security, and large-scale design. You deliver complex initiatives independently, make sound technical decisions with broad impact, and mentor engineers at multiple levels. You write exemplary code, conduct insightful code reviews that raise the quality bar, and debug complex issues across multiple systems. You communicate technical concepts clearly to diverse audiences and demonstrate leadership beyond assigned tasks.

You influence technical direction and drive consensus on complex decisions.

Key job responsibilities

Design and implement cryptographic systems using Rust, formal verification, PKI, and distributed systems. Own multi-quarter initiatives from design through deployment. Drive technical decisions with broad impact across multiple teams. Conduct insightful code reviews that improve design quality. Debug complex issues across multiple systems. Mentor engineers at multiple levels. Influence technical direction at team and organizational level. Contribute to operational excellence and engineering standards.

A day in the life

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, and influence architectural choices across AWS. You'll collaborate with senior leaders and engineers across AWS in a team culture that values knowledge sharing and mentorship. You'll develop engineers through pairing, code reviews, and technical guidance.

About the team

Our team at Amazon builds software that directly impacts customers  value collaboration, technical rigor, and a culture where every engineer's perspective is heard. We believe in solving hard problems with simple solutions and investing in the growth of every team member.

We are focused on building systems that are reliable, performant, and ready for the future. If you are excited about shaping technical strategy, mentoring others, and delivering meaningful results, we would love to hear from you.

Diverse Experiences Amazon Security values diverse experiences. Even if you do not meet all of the qualifications and skills listed in the job description, we encourage candidates to apply. If your career is just starting, hasn’t followed a traditional path, or includes alternative experiences, don’t let it stop you from applying.

Why Amazon Security?

At Amazon, security is central to maintaining customer trust and delivering delightful customer experiences. Our organization is responsible for creating and maintaining a high bar for security across all of Amazon’s…