Senior Software Engineer

Posted 2mo ago

The employer’s full description could not be read from their board. This is a summary of the posting — follow the apply link for the original.

Design and build platform services for authentication, authorization, and audit
Model permissions and access control primitives
Ship libraries and APIs for other engineers
Implement protocol-level support for SAML, SCIM, OIDC, OAuth2, and MFA/passwordless flows
Own integrations for enterprise SSO and provisioning
Build audit and authorization-decision telemetry pipeline
Partner with product engineering teams to migrate auth implementations
Carry the platform on-call rotation and own production reliability

Minimum 4+ years building production backend systems at scale
Comfort with Go, Rust, or C++
Comfort with TypeScript or Python
Hands-on experience designing and implementing an authentication or authorization service
Experience building a token issuer, OIDC or OAuth2 provider, policy engine, permissions model, or FGA/ReBAC system
Working knowledge of SAML, SCIM, OIDC, and OAuth2 at the protocol level
Experience designing APIs and SDKs that other engineers depend on
Experience operating distributed systems at scale
Familiarity with identity vendors (Auth0, WorkOS, AWS IAM, GCP IAM, Azure IAM)

Built or contributed to a Zanzibar-style authorization system
Run an OpenFGA or SpiceDB deployment beyond the demo
Designed a multi-tenant permission model with custom roles, hierarchies, delegation, and ABAC attributes
Shipped an SDK that product teams across an org actually adopted

Skills