Software Development Engineer II, AWS Proactive Security / AWS Piezo, AWS Piezo - Customer Experiences

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 responsibilitiesDesign 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 lifeYou will start your day reviewing operational metrics and addressing any issues that surfaced overnight. From there, you might dive into designing a new feature, pair-programming with a teammate, or leading a code review session. You will regularly connect with product managers and stakeholders to align on priorities, and you will document your software so that others can easily understand and extend it. Expect to balance new development with refactoring and operational improvements.About the teamOur team is focused on building reliable, scalable software that delivers real value to customers. We operate in a collaborative environment where engineers at every level contribute ideas, challenge assumptions, and support one another's growth. We are investing in modern technologies and practices that will shape how we build and operate our systems in the years ahead. If you are looking for a team where your contributions matter and where you can develop your craft alongside thoughtful, motivated colleagues, we would love to hear from you.Diverse ExperiencesAmazon 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 CultureIn 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 GrowthWe’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 BalanceWe 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.Basic qualifications- 3+ years of non-internship professional software development experience- 2+ years of non-internship design or architecture (design patterns, reliability and scaling) of new and existing systems experience- 1+ years of designing and developing large-scale, multi-tiered, multi-threaded, embedded or distributed software applications, tools, systems, and services using: C#, C++, Java, or Perl experience- 1+ years of Object Oriented Design experience- Bachelor's degree or foreign equivalent in Computer Science, Engineering, Mathematics, or a related fieldPreferred qualification - 3+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experienceAmazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.The base salary range for this position is listed below. Your Amazon package will include sign-on payments and restricted stock units (RSUs). Final compensation will be determined based on factors including experience, qualifications, and location. Amazon also offers comprehensive benefits including health insurance (medical, dental, vision, prescription, Basic Life & AD&D insurance and option for Supplemental life plans, EAP, Mental Health Support, Medical Advice Line, Flexible Spending Accounts, Adoption and Surrogacy Reimbursement coverage), 401(k) matching, paid time off, and parental leave. Learn more about our benefits at .USA, WA, Seattle - 143,700.00 - 194,400.00 USD annually