Software Development Engineer II, Amazon Foundational Security Services, AFSS Identity

Do you want to protect how Amazons workforce signs in and accesses critical systems every day Amazon Foundational Security Services is looking for a Software Development Engineer II to build and operate the identity and authentication services that keep tens of thousands of employees secure and productive. Youll design and deliver distributed systems that handle real-time identity data sync certificate issuance for corporate devices and Kerberos authenticationsolving problems where correctness and availability matter around the clock.

This role offers rare breadth across the identity space in one team. Youll work on workforce sign-in and AWS access near real-time directory sync a corporate certificate authority and Kerberos authentication. Youll balance building new capabilities on AWS with modernizing long-running core infrastructure all through a security-first lens. If youre ready to turn well-understood business problems into simple secure and maintainable code while learning from every incident and mentoring others wed love to hear from you.

Key job responsibilities
- Design and build distributed services that handle authentication authorization and identity data synchronization making sound tradeoffs between scalability performance and security
- Deliver software features across the full lifecyclefrom scoping and design through code testing deployment and maintenancewhile actively reviewing code and providing meaningful feedback to teammates
- Participate in operational support including oncall rotation monitoring and alarming root cause analysis and balancing new feature work against operational improvements to ensure services remain reliable
- Work with identity and security technologies such as SAML OpenID Connect SCIM LDAP Active Directory Kerberos and X.509 certificates to solve real authentication and authorization challenges
- Document how your services are constructed tested operated and secured and train new team members so they can confidently contribute and maintain the systems you build

A day in the life
Most days start with a short standup. You might spend the morning drafting a design doc for speeding up group membership sync for very large groups then write and test the code with help from AI coding assistants. You review teammates code and designs offering constructive the afternoon you might pair with a newer engineer or meet with a partner team that depends on your identity data to understand their next requirements. During your oncall week you triage alarms and tickets identify root causes and implement permanent fixes.

About the team
Were part of Amazon Foundational Security Services within Amazon Security. Our team builds and operates the identity and authentication services Amazons workforce uses every dayfrom signing in and accessing AWS to syncing identity data across downstream systems to issuing certificates for corporate devices. Were based in Seattle and share oncall across the team learning from every incident through structured post-incident reviews.

Mentorship is part of the job here. Engineers get broad exposure to identity security and AWS and grow by owning real problems end to end. Whether youre ramping up on our systems or taking on harder more ambiguous challenges as you progress toward Software Development Engineer III youll find a team that supports your growth and values operational excellence alongside innovation.

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 hasnt followed a traditional path or includes alternative experiences dont 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 Amazons 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 its 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
Were continuously raising our performance bar as we strive to become Earths Best Employer. Thats why youll 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 theres nothing we cant achieve.

- 3 years of non-internship professional software development experience
- 3 years of non-internship design or architecture (design patterns reliability and scaling) of new and existing systems experience
- Experience programming with at least one software programming language

- 3 years of full software development life cycle including coding standards code reviews source control management build processes testing and operations experience
- Bachelors 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 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 youre applying in isnt 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 WA Seattle - 143700.00 - 194400.00 USD annually