Full-time

Senior Golang Software Engineer

Posted by ITCO Solutions • Toronto, ON, Canada

📍 Toronto, ON 🕒 February 27, 2026

About the Role

100% Remote in Toronto, Canada

The Team

Auth0 provides robust access management solutions, such as Fine Grained Authorization (FGA) to power customer-facing applications and websites. FGA is a multi-Region software as a service (SaaS) offering for flexible, fine-grained authorization at any scale. It is based on relationship-based access control (ReBAC), which is an evolution of role-based access control (RBAC) and attribute-based access control (ABAC) authorization models.

What you’ll be doing

  • Architect and build the Go-based control plane services that power our user‑facing dashboard and APIs, ensuring the system is performant, scalable, and delights our customers.
  • Design and enforce the authorization logic that secures our platform, integrating our Fine‑Grained Authorization engine into the ecosystem to handle complex, multi‑tenant permission models.
  • Provide technical leadership within the te...

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