Software Development Engineer - Cryptography

Job Description

Job Title: Software Development Engineer – AWS Cryptography, Transport Libraries. Location: Seattle, Washington, USA

Responsibilities:

• Own the complete software development lifecycle, including requirements gathering, design, implementation, testing, deployment, and maintenance.
• Develop and maintain foundational cryptographic libraries used across AWS services.
• Design and implement new security features for AWS cryptography products;
• Work with internal and external customers to identify security gaps and data protection requirements.
• Build scalable solutions that protect cloud workloads against "Harvest Now, Decrypt Later" (HNDL) threats.
• Contribute to the implementation and adoption of post-quantum cryptographic technologies.
• Leverage Generative AI technologies to support secure migration toward post-quantum cryptography;
• Participate in architecture discussions, code reviews, testing, and operational excellence initiatives.
• Collaborate with cross-functional engineering teams to deliver secure and reliable software solutions.

Qualifications:

• Bachelor's degree in Computer Science, Engineering, Mathematics, or a related field.
• 3+ years of professional software development experience (excluding internships).
• 2+ years of experience designing or architecting software systems, including reliability and scalability considerations.
• 1+ year of experience as a Software Development Engineer or in a related role;
• 1+ year of experience developing large-scale, multi-tiered, multi-threaded, embedded, distributed applications, tools, systems, or services.
• Experience with at least one programming language such as C#, C++, Java, or Perl.
• Experience with Object-Oriented Design principles.
• Experience programming with at least one modern software development language.

Preferred:

• 3+ years of experience across the full software development lifecycle.
• Experience with coding standards, code reviews, source control management, build systems, testing, and operations.
• Bachelor's degree in Computer Science or an equivalent technical discipline.
• Interest or experience in cryptography, TLS, QUIC, cloud security, or post-quantum cryptography.

Benefits and Compensation:

• Base salary range: $143,700 - $194,400 USD annually
• Additional compensation may include:
  • Sign-on bonuses
  • Restricted Stock Units (RSUs)

Benefits:

• Medical, dental, and vision insurance.
• Prescription drug coverage.
• Basic Life and AD&D insurance.
• Optional supplemental life insurance plans.
• Employee Assistance Program (EAP).
• Mental health support services.
• Medical advice line access.
• Flexible Spending Accounts (FSA).
• Adoption and surrogacy reimbursement programs.
• 401(k) matching.
• Paid time off.
• Parental leave programs.