Overview This position is posted by Jobgether on behalf of Lambda. We are currently looking for a Senior Software Engineer - IAM in United States. Responsibilities Lead the design and implementation of secure, scalable IAM systems, including authentication, authorization, and lifecycle management. Build and refine access control models, such as RBAC, ABAC, and advanced permission frameworks. Integrate third-party identity platforms (Okta, Auth0, WorkOS) at scale while customizing solutions to fit enterprise needs. Develop and deploy features end-to-end, from system design through monitoring in production. Collaborate with product, security, and engineering teams to ensure IAM capabilities align with business and compliance requirements. Continuously improve user experience for highly technical ML/AI cloud customers while maintaining stringent security standards. 8+ years of backend or platform engineering experience, including at least 3 years leading IAM initiatives. Deep knowledge of IAM protocols and technologies, including OIDC, OAuth2, SAML, MFA, SCIM, and identity lifecycle management. Strong system architecture skills for distributed, multi-tenant SaaS environments. Experience integrating and scaling identity platforms such as Okta, Auth0, or WorkOS. Programming expertise in Python, Go, or equivalent, with hands-on use of infrastructure-as-code (Terraform, Crossplane, etc.). Proven track record of delivering IAM solutions in high-uptime, security-sensitive environments. Bonus: experience with IAM in ML/AI or cloud infrastructure, multi-cloud identity solutions, open-source IAM contributions, or mentorship/leadership experience. Compensation and Benefits Competitive annual salary: $255K – $395K (San Francisco) or $230K – $356K (Seattle). Equity compensation in a rapidly growing, high-demand company. Health, dental, and vision coverage for employees and dependents. Flexible Paid Time Off that employees are encouraged to use. 401(k) plan with 2% company match (for U.S. employees). Wellness and commuter stipends for select roles. Hybrid schedule: 4 days in-office per week, with Tuesday as the current remote workday.

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