Sr Software Development Engineer, Piezo

Amazon.com Services LLC; Seattle (WA); On-site; USD 180,000 - 240,000; Full time

Job summary

Amazon Security is seeking a senior software engineer to design and build cryptographic and distributed systems at scale. You will own multi-quarter initiatives using Rust, PKI, and formal verification to strengthen data protection while maintaining operational efficiency.

You will mentor engineers, review code, and influence technical direction across AWS service teams, with CISO-level visibility and a chance to shape how tens of thousands of builders design and operate their services.

Qualifications

• 5+ years of non-internship professional software development experience.
• 5+ years of programming with at least one software programming language experience.
• 5+ years of leading design or architecture (design patterns, reliability and scaling) of new and existing systems experience.
• Experience as a mentor, tech lead or leading an engineering team.

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.

Skills

Distributed systems

Security

Rust

PKI

Formal verification

Leadership

Education

Bachelor's degree in computer science or equivalent

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 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

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.

Basic Qualifications

• 5+ years of non-internship professional software development experience
• 5+ years of programming with at least one software programming language experience
• 5+ years of leading design or architecture (design patterns, reliability and scaling) of new and existing systems experience
• Experience as a mentor, tech lead or leading an engineering team

Preferred Qualifications

• 5+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
• Bachelor's degree in computer science or equivalent

Amazon 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 custo