Backend Identity Engineer – CIAM & Auth Systems

Affirm, Inc.; Victoria; Remote; CAD 133,000 - 183,000; Full time

Benefits offered by this job

Health coverage

Tech stipend

Flexible time off

Employee stock purchase plan

Job summary

Affirm, Inc. is building the next generation of customer identity and authentication. This remote-first role sits in Information Security, contributing to core CIAM capabilities that protect customers and support growth.

You will help build backend services powering registration, login, authorization, and account lifecycle across B2C and B2B experiences, collaborating with engineers and product partners to deliver secure, scalable features.

Qualifications

• Willingness to learn secure, reliable customer experiences and curiosity about authentication.
• Foundational backend development understanding: APIs, data structures, databases, and version control.
• Interest in identity protocols or CIAM platforms is a plus, not a requirement.
• Clear communication and collaboration with engineering, product, and security teammates.

Responsibilities

• Build and ship customer-facing authentication features—from smoother login experiences to MFA, step-up authentication, and device binding.
• Develop backend services and APIs in Python or Kotlin, turning product requirements into working software.
• Work with identity technologies such as Okta, Auth0, and ForgeRock, creating integrations for web, mobile, and partner apps.
• Take features through the software development lifecycle: design, write code, run tests, review code, and deploy to production.
• Debug services to improve reliability and use logs/metrics to understand production behavior.
• Collaborate with engineering and product partners to learn secure development practices and grow expertise in authentication.

Skills

Python

Kotlin

APIs

CIAM basics

Tools

Okta

Auth0

ForgeRock

Job description

Affirm, Inc. is building the next generation of customer identity and authentication. This remote-first role sits in Information Security, contributing to core CIAM capabilities that protect customers and support growth.

You will help build backend services powering registration, login, authorization, and account lifecycle across B2C and B2B experiences, collaborating with engineers and product partners to deliver secure, scalable features.