[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Amazon jobs](https://jobs.opennash.com/companies/amazon/) · [Search jobs](/search/) Amazon · Seattle, WA # Software Development Engineer II, AWS Proactive Security / AWS Piezo, AWS Proactive Security - AWS Piezo US, WA, Seattle Software Engineering Listed on Amazon’s official careers site. Posted October 6, 2026. Check that it is still open and apply there. [Apply on Amazon’s careers site →](https://www.amazon.jobs/en/jobs/10570411/software-development-engineer-ii-aws-proactive-security-aws-piezo-aws-proactive-security-aws-piezo) [OpenNash Jobs](https://jobs.opennash.com/) / [Amazon](https://jobs.opennash.com/companies/amazon/) / Software Development Engineer II, AWS Proactive Security / AWS Piezo, AWS Proactive Security - AWS Piezo ## Job description 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 components using Rust, PKI, formal verification, and distributed systems that strengthen customer data protection while maintaining operational efficiency at scale. You'll own significant features 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 contribute to security outcomes across AWS service teams. Your work will have CISO-level visibility and influence how tens of thousands of Amazon builders design and operate their services. You're a software engineer with experience in distributed systems, security, and large-scale design. You deliver high-quality work independently, make sound technical decisions, and mentor junior engineers. You write maintainable code, conduct thorough code reviews, and debug complex issues across multiple components. You communicate technical concepts clearly and demonstrate ownership beyond assigned tasks. Key job responsibilities ### Key job responsibilities Design and implement cryptographic systems using Rust, formal verification, PKI, and distributed systems. Own features from design through deployment. Conduct code reviews, debug complex issues, mentor junior engineers, and contribute to operational excellence. ### A day in the life You'll work on authentication systems, cryptography, PKI, system hardening, and large-scale security architecture. You'll collaborate with engineers across AWS in a team culture that values knowledge sharing and mentorship. About the team ### 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. ## At a glance - Posted by the employer: Oct 6, 2026 - First seen by OpenNash: Oct 11, 2026 - Last checked: Oct 18, 2026 - Listed for: 12 days - Location: US, WA, Seattle[Apply on Amazon’s careers site →](https://www.amazon.jobs/en/jobs/10570411/software-development-engineer-ii-aws-proactive-security-aws-piezo-aws-proactive-security-aws-piezo) ## More jobs at Amazon ### [AWS Software Development Manager, Elastic Load Balancing](https://jobs.opennash.com/companies/amazon/jobs/8bc81eb90a02a81cc9b1/) US, WA, Seattle ### [Applied Science Manager, Computer Vision, Perception Science, Prime Air Vehicle Software](https://jobs.opennash.com/companies/amazon/jobs/f8f3afcff56816849d13/) US, WA, Seattle ### [Developer Experience Engineer, AWS Developer Experience](https://jobs.opennash.com/companies/amazon/jobs/fbd46cd6cad9f0b7a4b1/) US, WA, Seattle ### [Developer Marketing Manager, Developer Marketing](https://jobs.opennash.com/companies/amazon/jobs/d8c4520c33f205cd0159/) US, WA, Seattle ### [Director of Software Development](https://jobs.opennash.com/companies/amazon/jobs/cff67c726a21a2a83042/) US, WA, Seattle ## Similar jobs at other companies ### [Lead Software Engineer - AWS/SRE Engineer](https://jobs.opennash.com/companies/jpmorganchase/jobs/b82e6943190d67b8219e/) JPMorganChase · OH, United States ### [Senior Software Engineer, Contact Center Platforms (Java/AWS/Amazon Connect)](https://jobs.opennash.com/companies/ntt/jobs/24a713cd9cf528ae7fd4/) NTT · Plano, TX, US, United States ### [Software Development Engineer](https://jobs.opennash.com/companies/fortinet/jobs/28951e39aa65fab8d748/) Fortinet · Sunnyvale, CA, United States ### [Software Development Engineer (GUI)](https://jobs.opennash.com/companies/fortinet/jobs/bb39f255ec65bd5058b8/) Fortinet · Sunnyvale, CA, United States [Jobs in Seattle, WA](/locations/us/wa/seattle/)[Jobs in Washington](/locations/us-wa/)[Software Engineering jobs](/functions/software-engineering/) OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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