Sr. Software Development Engineer, AWS Proactive Security

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'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 at scale. We 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 products and services. We offer talented security professionals the chance to accelerate their careers with opportunities to build experience in a wide variety of areas including cloud, devices, retail, entertainment, healthcare, operations, and physical stores.

Inclusive Team Culture
In Amazon Security, it’s in our nature to learn and be curious. Ongoing DEI events and learning experiences inspire us to continue learning and to embrace our uniqueness. Addressing the toughest security challenges requires that we seek out and celebrate a diversity of ideas, perspectives, and voices.

Training & Career Growth
We’re continuously raising our performance bar as we strive to become Earth’s Best Employer. That’s why you’ll find endless knowledge-sharing, training, and other career-advancing resources here to help you develop into a better-rounded professional.

Work/Life Balance
We value work-life harmony. Achieving success at work should never come at the expense of sacrifices at home, which is why flexible work hours and arrangements are part of our culture. When we feel supported in the workplace and at home, there’s nothing we can’t achieve.