Backend Identity Engineer II — Remote

Affirm, Inc.; Detroit (MI); Remote; USD 146,000 - 206,000; Full time

Benefits offered by this job

Health coverage for dependents

Tech stipends for setup

Flexible time off

Employee stock purchase plan

Job summary

Affirm is building the next generation of customer identity and authentication. This remote-first role contributes to core CIAM capabilities, powering registration, login, authorization and account lifecycle flows for B2C and B2B experiences.

You will work with modern identity technologies and collaborate with product and security teams to deliver secure, reliable software across web and mobile.

Qualifications

• Proficient in Python or Kotlin with ability to write, test and debug.
• Backend fundamentals: APIs, data structures, databases, version control.
• Interest in authentication and CIAM; prior CIAM experience is a plus.
• Strong communication and collaboration; willingness to learn via mentorship and code review.

Responsibilities

• Build and ship customer-facing authentication features—from login to MFA.
• Develop backend services and APIs in Python or Kotlin.
• Integrate with Okta, Auth0 and ForgeRock across apps.
• Follow SDLC: design, code, tests, reviews, and production deployment.

Skills

Python

Kotlin

APIs

Security basics

Education

Bachelor's degree in related field

Tools

Okta

Auth0

ForgeRock

Job description

Affirm is building the next generation of customer identity and authentication. This remote-first role contributes to core CIAM capabilities, powering registration, login, authorization and account lifecycle flows for B2C and B2B experiences.

You will work with modern identity technologies and collaborate with product and security teams to deliver secure, reliable software across web and mobile.