Software Engineer, Platform, Tinker
Core
Building the platform systems for Tinker, a fine-tuning API that allows researchers and developers to customize frontier AI models.
Role type
Senior backend platform engineer (billing, access control, multi-tenant systems)
Builds
Tinker platform infrastructure including billing, usage metering, permissions, and organization management
Domain
AI/ML infrastructure, developer tools, SaaS platform
Deliverable
production ML models | product features | infrastructure
Required skills
Python or Rust, backend systems design, billing/payments infrastructure, identity and access control (RBAC/ABAC, OAuth, SAML), multi-tenant architecture
Preferred skills
Event-driven architectures, stream processing, security engineering, financial system correctness (idempotency, reconciliation), enterprise-readiness patterns
Technologies
Python, Rust, SAML, OAuth, SCIM
Responsibilities
Design authorization layers (RBAC, API key scoping, organization hierarchies), own billing infrastructure (metering, aggregation, invoicing), build organization/teams models (SSO, workspace isolation), implement data export/deletion pipelines, build audit logging systems
