Senior Backend Engineer, IAM

About the Role

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

As a senior engineer on this team, you’ll be a technical coach and mentor. You’ll draw on your technical expertise to ensure these systems have high uptime and strong performance while working with others to build a roadmap to match the needs of an ever growing engineering organization.

Challenges & 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, including product management, security, and client engineering.
• Evolve: Learn and improve your own technical and non-technical abilities.
• Design, build, and ship backend services powering experiences for one of the most visited sites in the world.

Qualifications

• 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), and 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 company strategy.
• High empathy and excellent communication skills to collaborate across the organization.

Interview Process Notice

In select roles and locations, interviews will be recorded, transcribed, and summarized by artificial intelligence (AI). Candidates have the opportunity to opt out of recording, transcription, and summarization prior to any scheduled interviews.