Senior Software Engineer - Identity & Authorization Platform

New

Based in CanadaFull-TimeSenior

SalaryCompetitive compensation package aligned with senior-level platform engineering roles.

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Job Details

4+ years of experience building scalable backend systems.
Strong proficiency in at least one systems language (Go, Rust, or C++).
Strong proficiency in at least one higher-level language (TypeScript or Python).
Proven experience designing or implementing authentication and authorization systems (e.g., OAuth2 providers, RBAC/ABAC engines, or Zanzibar-style systems).
Strong understanding of identity protocols including SAML, SCIM, OIDC, and OAuth2 at a deep implementation level.
Experience building distributed systems with attention to consistency, scalability, caching, and multi-region reliability.
Demonstrated ability to design clean, adoptable APIs and SDKs.
Familiarity with enterprise identity ecosystems like Auth0, WorkOS, or cloud IAM providers.
Strong debugging skills and production ownership mindset.

Design, build, and evolve core platform services for authentication, authorization, and audit logging across distributed cloud systems.
Develop and maintain unified access control systems including RBAC/ReBAC models, policy engines, token issuance, session management, and permission evaluation services.
Implement and support identity protocols such as OAuth2, OIDC, SAML, SCIM, and MFA/passwordless authentication flows.
Build SDKs, APIs, and developer tools that enable product teams to easily integrate standardized identity and authorization capabilities.
Design and maintain observability pipelines for authorization decisions.
Partner with multiple engineering teams to migrate fragmented authentication systems into a unified platform architecture.
Participate in on-call rotations and ensure high availability of critical identity infrastructure.

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