CareerPlan

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

Seattle, Washington, United StatesFull-time$144k–$194k2026-10-30 → 2026-11-10

Core

Build and operate distributed identity and authentication services for Amazon's workforce, handling sign-in, AWS access, directory sync, certificate issuance, and Kerberos authentication.

Role type

Senior IC software development engineer (identity & security)

Builds

Distributed services for authentication, authorization, and identity data synchronization

Domain

Cloud security, identity management, enterprise infrastructure

Required skills

distributed systems design, authentication/authorization protocols, system reliability, code review, operational support, documentation

Preferred skills

full software development lifecycle, design patterns, scaling architecture

Technologies

AWS, SAML, OpenID Connect, SCIM, LDAP, Active Directory, Kerberos, X.509 certificates

Responsibilities

Design and build distributed services for auth and identity sync; deliver software features across the full lifecycle; participate in oncall rotation and root cause analysis; work with identity technologies to solve auth challenges; document services and train team members

Seniority

Senior, hands-on IC