Senior Fullstack IAM Engineer — Flexible Work Location

RXinsider LTD.; Toronto; Hybrid; CAD 125,000 - 165,000; Full time

Benefits offered by this job

Generous PTO

RRSP match program

Flexible benefits package

Training budget and learning programs

Discount on Fullscript catalog

Wherever You Work Well

Job summary

Fullscript is seeking a Senior Fullstack Developer for our Identity and Access Management (IAM) Engineering team.

You will develop and maintain IAM capabilities, including authentication, authorization, sign-up, SSO integrations, and OAuth flows, in collaboration with product, security, and legal teams.

Requirements include 5+ years of professional software development, and hands-on experience with Ruby on Rails, React, JavaScript/TypeScript, GraphQL, and Apollo.

Qualifications

• 5+ years of professional software development experience.
• Experience with authentication protocols, SSO, RBAC, and MFA.
• Proficient with Ruby on Rails, React, GraphQL, and TypeScript.

Responsibilities

• Collaborate with your pod — a small, focused team of full-stack engineers — to build and maintain IAM capabilities.
• Contribute to backend and frontend codebases with an eye toward reliability, scalability, and security
• Participate in technical design discussions and help break down projects into clear, actionable tasks
• Identify and suggest improvements to our authentication and authorization flows
• Help support the maintenance and uptime of IAM systems, including investigating and resolving production issues
• Work closely with product, security, and legal stakeholders to ensure compliance and integrity of user data and access
• Stay informed on evolving security practices, frameworks, and technologies

Skills

Authentication protocols

SSO

OAuth

RBAC

MFA

Ruby on Rails

React

TypeScript

GraphQL

Apollo

5+ years experience

Tools

Ruby on Rails

React

TypeScript

GraphQL

Apollo

Job description

Fullscript is seeking a Senior Fullstack Developer for our Identity and Access Management (IAM) Engineering team.

You will develop and maintain IAM capabilities, including authentication, authorization, sign-up, SSO integrations, and OAuth flows, in collaboration with product, security, and legal teams.

Requirements include 5+ years of professional software development, and hands-on experience with Ruby on Rails, React, JavaScript/TypeScript, GraphQL, and Apollo.