Senior Software Engineer - IAM

Lambda • San Francisco, CA

113d

About The Position

Help define and deliver Lambda’s next-generation Identity and Access Management platform - powering secure, intuitive, and scalable access control for customers ranging from early-stage startups to the most superintelligent AI teams in the world. You’ll design IAM systems that anticipate the needs of highly technical users who will stress-test every workflow, integration, and permission model. Your charter will be to lead the design and implementation of our IAM vision: Workspaces, enterprise-grade RBAC, MFA enhancements, and a unified identity platform across all Lambda products and services.

Requirements

• 8+ years of backend or platform engineering experience, with 3+ years leading IAM or authentication/authorization initiatives.
• Deep expertise in modern IAM patterns and technologies: Authentication (OIDC, OAuth2, SAML), Authorization (RBAC, ABAC, fine-grained permissions), MFA and advanced authentication factors, SCIM and identity lifecycle management.
• Experience integrating and customizing third-party identity platforms (e.g., Auth0, Okta, WorkOS) at scale.
• Strong architecture and systems design skills for distributed, multi-tenant SaaS environments.
• Proven track record of delivering IAM features in security-sensitive, high-uptime environments.
• Solid programming experience in Python, Go, or similar languages, plus comfort with IaC (Terraform, Atlantis, Crossplane).

Nice To Haves

• Experience designing IAM systems for ML/AI or cloud infrastructure products.
• Hands-on experience with enterprise onboarding flows.
• Prior work on multi-cloud or hybrid identity solutions (AWS, GCP, Azure).
• Contributions to IAM standards or open-source identity projects.
• Leadership or mentorship experience.
• Strong academic background (EECS, Math, Software Engineering, Physics).

Responsibilities

• Design and build intuitive, beautiful web interfaces for ML/AI cloud users
• Integrate top-tier tooling, workflows, and models from the AI space
• Own features end-to-end—from design to deployment to monitoring

Benefits

• Health, dental, and vision coverage for you and your dependents
• Wellness and Commuter stipends for select roles
• 401k Plan with 2% company match (USA employees)
• Flexible Paid Time Off Plan that we all actually use

What This Job Offers

• Job Type: Full-time
• Career Level: Senior