Senior IAM Backend Engineer - Secure Auth & Access (Remote)

RXinsider LTD.; Toronto; Hybrid; CAD 100,000 - 150,000; Full time

Benefits offered by this job

Generous PTO

RRSP match

Flexible benefits package

Training budget

Discount on Fullscript catalog

Wherever You Work Well

Job summary

Fullscript is seeking an experienced software engineer to own the IAM backend, focusing on reliability, security, and scalable access control. You will work closely with product, security, and legal teams to craft robust authentication workflows and protect user data.

You will collaborate with a small pod of developers and leverage Ruby on Rails, GraphQL, and Apollo to implement secure identity features across the platform.

Qualifications

• 5+ years of professional software development experience.
• Experience with authentication protocols, SSO (SAML, OAuth), RBAC, and MFA.
• Proficiency with Ruby on Rails, GraphQL, and Apollo.
• Strong problem-solving and security-minded approach.

Responsibilities

• Collaborate with your pod to build and maintain IAM capabilities.
• Contribute to backend code with focus on reliability, scalability, and security.
• Participate in technical design discussions and break projects into actionable tasks.
• Identify and suggest improvements to authentication and authorization flows.
• Support maintenance and uptime of IAM systems, including production issue resolution.
• Coordinate with product, security, and legal to ensure data access integrity.

Skills

IAM & security

Ruby on Rails

GraphQL

OAuth/SAML

RBAC

MFA

Team collaboration

Tools

Apollo

Job description

Fullscript is seeking an experienced software engineer to own the IAM backend, focusing on reliability, security, and scalable access control. You will work closely with product, security, and legal teams to craft robust authentication workflows and protect user data.

You will collaborate with a small pod of developers and leverage Ruby on Rails, GraphQL, and Apollo to implement secure identity features across the platform.