{"schemaVersion":"jobsearcher.job.v1","id":"4330b8e80590192345faa76d","url":"https://jobsearcher.com/jobs/4330b8e80590192345faa76d","canonicalUrl":"https://jobsearcher.com/jobs/4330b8e80590192345faa76d","title":"Software Development Engineer - Cryptography","description":"Software Development Engineer – AWS Cryptography, Transport LibrariesLocation: Seattle, Washington, USAResponsibilities: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 annuallyAdditional compensation may include: Sign-on bonusesRestricted 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.","company":"Quantum Usa","rawCompany":"quantum usa","city":"Seattle","state":"WA","isRemote":false,"isActive":true,"createdAt":"2026-10-17T14:00:43.407Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Software Development Engineer - Cryptography","description":"Software Development Engineer – AWS Cryptography, Transport LibrariesLocation: Seattle, Washington, USAResponsibilities: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 annuallyAdditional compensation may include: Sign-on bonusesRestricted 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.","datePosted":"2026-10-17T14:00:43.407Z","dateModified":"2026-10-17T14:00:43.407Z","hiringOrganization":{"@type":"Organization","name":"Quantum Usa","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Seattle","addressRegion":"WA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"4330b8e80590192345faa76d"},"url":"https://jobsearcher.com/jobs/4330b8e80590192345faa76d"}}