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# Senior Backend Engineer, IAM

- **Company:** reddit Inc.
- **Location:** San Francisco, CA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Amazon Web Services, Authentication Protocols, Cloud Computing, Continuous Integration, Identity and Access Management, OAuth, OpenID, Role-Based Access Control, Security Assertion Markup Language (SAML), Session Management, Google Cloud, Backend, Kubernetes, Programming Languages
- **Published:** November 7, 2026
- **Apply:** https://www.juju.com/job/28_25303_4d000dcc03fb25d33dc96fa89c2e9112

## About the Role

* 5+ years of experience designing and developing large-scale distributed backend systems with at least 2+ years focused on security-sensitive domains (IAM, Security, Privacy, or Anti-Abuse).
 * Technical understanding of core identity concepts, authentication protocols (OAuth2, OIDC, SAML), session management and/or authorization access models (ABAC, RBAC, ReBAC), centralized authorization engines.
 * Proficiency in one or more general-purpose programming languages (preferably Go).
 * Experience with (or curiosity to learn about) essential cloud infrastructure (Kubernetes, CI/CD, AWS, GCP).
 * Experience identifying and driving high-impact projects that align with the company's strategy.
 * High empathy and excellent communication skills to collaborate across the organization.

## Description

Reddit is a community of communities. It's built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on the topics they care most about. With 100,000+ active communities and approximately 126 million daily active unique visitors, Reddit is one of the internet's largest sources of information.

Identity & Access Management Team

The Identity and Access Management team develops and maintains mission-critical, highly performant, and highly scalable systems that manage user identity, authentication, and authorization for all of Reddit's millions of daily users and backend services.

Key Challenges

 * Building systems around authentication, authorization and identity to meet the needs of Reddit's engineering organization and millions of daily users.
 * Design, build and ship backend services powering experiences for one of the most visited sites in the world.
 * Work with product management, security, client engineering, and backend teams to define and implement Reddit's IAM vision and roadmap.

Day-to-Day Responsibilities

 * Steer: Work with the team to select, scope, and drive high-leverage projects that align with Reddit's goals.
 * Build: Execute on a strategy and create a more performant, more scalable, higher-quality architecture around authentication, authorization and identity.
 * Amplify: Mentor, coach, and collaborate with other technical contributors.
 * Collaborate: Work together with a variety of cross-functional teams across Reddit Engineering.
 * Evolve: Learn and improve your own technical and non-technical abilities.