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# Senior Software Engineer, Identity & Access

- **Company:** STACK.AI, LLC
- **Location:** San Francisco, CA, United States
- **Experience:** Expert
- **Salary:** $220,000.0 - $240,000.0
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Identity and Access Management, Python (Programming Language), OAuth, OpenID, Role-Based Access Control, Security Assertion Markup Language (SAML), Backend, Fastapi
- **Published:** June 21, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=bab2dd768b62e960

## About the Role

Do you have experience in Python?, * 4+ years building backend systems, with significant time spent on identity, authentication, or authorization.

 * Real depth in OIDC, OAuth2, SAML, token exchange, and multi-tenant RBAC.
 * You've built or owned enterprise SSO and identity systems, with a strong grasp of identity-provider architecture and enterprise auth patterns.
 * Strong in Python and modern backend frameworks (FastAPI or similar).
 * You care about clean, well-architected access control and the experience of the administrators who manage it.

Identity is broad. If you're strong on most of this and excited to grow into the rest, we'd like to hear from you, even if you don't check every box.

## Description

Every large enterprise that adopts Stack AI needs to control precisely who can do what, on whose behalf, across their whole organization. We're hiring a Senior Software Engineer, Identity & Access to build the access layer that makes that possible: the authentication, authorization, and access control that let our largest and most regulated customers adopt Stack AI with confidence., * Own enterprise sign-on. Deliver SSO across OIDC and SAML so customers onboard with their own identity provider.

 * Own authorization and RBAC. Build role-based access control with fine-grained, query-time enforcement across the product.
 * Own provisioning and lifecycle. Deliver SCIM provisioning and directory sync so user and group management stays in step with the customer's directory.
 * Own delegated and machine identity. Build token exchange, on-behalf-of flows, service accounts, and domain-wide delegation so agents and services act with scoped authority.
 * Own access governance. Build the entitlements, session and token management, and controls that keep access clean and auditable at scale.


## Related Videos

- [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect)
- [The New AI Security Stack: Observe, Detect, Protect](https://www.wearedevelopers.com/videos/100302-the-new-ai-security-stack-observe-detect-protect)
- [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock)
- [Full-stack role-based authorization in 45 minutes](https://www.wearedevelopers.com/videos/312-full-stack-role-based-authorization-in-45-minutes)
- [Delegating the chores of authenticating users to Keycloak](https://www.wearedevelopers.com/videos/1558-delegating-the-chores-of-authenticating-users-to-keycloak)
- [Get started with securing your cloud-native Java microservices applications](https://www.wearedevelopers.com/videos/123-get-started-with-securing-your-cloud-native-java-microservices-applications)

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