Senior Software Engineer, Lambda

• 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)

Desirable

• 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
• 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