Senior Developer, Fullstack - Identity and Access Management (IAM)

Fullscript

Ottawa, ON && Toronto, ON && Calgary, AB

Full-Time

Senior (7+ yrs)

Engineering & Development

Posted on July 17, 2026

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

As a Senior Developer, you will play a critical role in developing and maintaining all things IAM, including authentication, authorization, and identity. You'll contribute directly to the systems powering sign-up, login, SSO integrations, and our OAuth flows. You’ll work closely with your teammates, engineering leads, product, and security stakeholders to deliver secure, reliable, and scalable solutions.

This is how we like building software: https://fullscript.com/developer-handbook If you share our values, we’d be excited to talk with you!

What you'll do:

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

What you bring to the table:

A collaborative mindset and a willingness to share knowledge and ideas with teammates

Passion for IAM and security — you care about protecting users and understanding the threat landscape

Experience with authentication protocols, SSO (SAML, OAuth), RBAC, and MFA

5+ years of professional software development experience

Hands-on experience with modern web development — we use Ruby on Rails, React, JavaScript/TypeScript, GraphQL, and Apollo

A commitment to writing clean, maintainable code and fostering strong engineering practices

What we can offer you:

Generous PTO and competitive pay

Fullscript’s RRSP match program for financial health

Flexible benefits package and workplace wellness program

Training budget and company-wide learning initiatives

Discount on Fullscript catalog of products

Ability to work Wherever You Work Well*

*Our Wherever You Work Well philosophy means Fullscript teammates get to pick their own office — whether that’s in-office, at home, or a bit of both 🐶🏡

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