Senior Backend Engineer, Enterprise Readiness & Identity (AI)

TL;DR

Senior Backend Engineer, Enterprise Readiness & Identity (AI): Building secure, compliant, and scalable platform features for enterprise customers with an accent on authentication, authorization, billing, and tenant management. Focus on designing robust access control models, scaling billing infrastructure, and ensuring compliance for AI applications.

Location: Onsite in New York City, San Francisco, or Boston, 5 days/week

Salary: $170,000–$195,000

Company

This company helps developers build mission-critical AI applications by providing open-source frameworks and a commercial agent platform for building, testing, running, and managing agents at scale.

What you will do

• Design and implement backend services (Python/Go) for enterprise authentication, authorization, billing, and tenant provisioning.
• Build and evolve systems for SAML, SCIM, OAuth2, and single sign-on (SSO) integrations.
• Develop robust role-based and attribute-based access control (RBAC/ABAC) models at organizational scale.
• Build and scale billing infrastructure, including invoicing, usage-based charging, and flexible pricing model support.
• Implement audit logging, usage tracking, and metering pipelines to support compliance and billing accuracy.
• Engage directly with enterprise customers to translate requirements into secure, scalable platform capabilities.

Requirements

• 5+ years backend engineering experience with Python or Go (both preferred).
• Deep knowledge of authentication and identity standards (OAuth2, SAML, JWTs, SCIM).
• Experience building and scaling access control systems (RBAC, ABAC, permissions frameworks).
• Experience with billing and usage infrastructure in SaaS environments.
• Familiarity with Postgres, Redis, APIs, and modern distributed backend infrastructure.
• Comfort navigating enterprise security, compliance, and multi-tenant architectures.

Nice to have

• Background in security, observability, or developer infrastructure.
• Familiarity with LLMs, GenAI applications, or agentic frameworks.

Culture & Benefits

• Competitive compensation package, including base salary and meaningful equity.
• Comprehensive health and dental coverage.
• Flexible vacation policy.
• 401(k) plan and life insurance.
• Locally competitive benefits for team members in the EU and UK, aligned with regional norms and regulations.