Amazon
Software Development Engineer, AWS Cognito, AWS Cognito
$144K–$194K
Seattle, WA · Full-time · Posted Oct 14, 2026
- Experience
- 3+ years of non-internship professional software development; 2+ years developing large-scale software using C#, C++, Java, or Perl; 1+ years as a software development engineer or in a related occupation. Preferred: 3+ years of full software development life cycle experience.
- Education
- Bachelor's degree or foreign equivalent in Computer Science, Engineering, Mathematics, or a related field.
About the job
Build and operate AWS Cognito authentication services, including sign-in, tokens, devices, and related data planes, while developing agentic authentication capabilities and AI-based engineering tools.
What you'll do
- Design, build, and operate highly available, low-latency authentication services; own features through design, testing, deployment, and operations.
- Improve availability, latency, security, and automation; investigate production problems and deliver durable fixes.
- Build and extend AI agent tooling for development, code review, and operational investigation; collaborate across AWS Identity teams and mentor engineers.
What they ask for
- 3+ years of non-internship professional software development experience.
- 2+ years designing and developing large-scale software applications, tools, systems, and services using C#, C++, Java, or Perl.
- 1+ years of software development engineer or related occupational experience.
- Bachelor's degree or foreign equivalent in Computer Science, Engineering, Mathematics, or a related field; experience programming with at least one software programming language.
Nice to have
- 3+ years of full software development life cycle experience, including coding standards, code reviews, source control management, build processes, testing, and operations.
- Experience contributing to system architecture and design, or leveraging AI agents for security review automation, spec-driven development, or adversarial red teaming.
Pay
USD 143,700.00 - 194,400.00 annually (base salary)
Tools
C#, C++, Java, Perl, AI agents
AI focus
Engage AI first and build agentic tooling for development, code review, and operational investigation; preferred AI agent uses include security review automation, spec-driven development, and adversarial red teaming.
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