Remote Backend Identity Engineer II

Affirm, Inc.; Salt Lake City (UT); Remote; USD 146,000 - 225,000; Full time

Benefits offered by this job

Health coverage for you and dependents

Monthly tech stipends

Generous time off

Employee stock purchase plan (ESPP)

Job summary

Affirm, Inc. is seeking a hands-on mid-level backend engineer inside Information Security to build core CIAM capabilities that protect customers and support growth.

You will contribute to registration, login, authorization, and account lifecycle flows across B2C and B2B experiences. You’ll develop authentication features in Python or Kotlin, work with Okta, Auth0, and ForgeRock, and participate in code reviews, testing, and production deployments with the team.

Qualifications

• Proven ability to write, test, and debug software in Python, Kotlin, or a similar language.
• Foundational understanding of backend development, including APIs, data structures, databases, and version control.
• Genuine curiosity about how authentication works and motivation to build secure, reliable customer experiences.

Responsibilities

• Build and ship customer-facing authentication features—from smoother login experiences to MFA, step-up authentication, and device binding, with mentorship from experienced engineers.
• Develop backend services and APIs in Python or Kotlin, turning product requirements into working software that helps customers access their accounts securely.
• Work with modern identity technologies such as Okta, Auth0, and ForgeRock, writing custom code and integrations that connect identity capabilities to web, mobile, and partner applications.
• Take scoped features through the software development lifecycle: contribute to design, write readable code and automated tests, participate in code reviews, and deploy to production with support from the team.
• Solve real engineering problems by debugging services, improving reliability, and using logs and metrics to understand how your code behaves in production.
• Collaborate with engineering and product partners, learn secure development practices, and grow your software engineering skills while building expertise in authentication.

Skills

Python

Kotlin

Backend development

APIs

Authentication

Security mindset

Education

Bachelor's degree or equivalent

Tools

Okta

Auth0

ForgeRock

Job description

Affirm, Inc. is seeking a hands-on mid-level backend engineer inside Information Security to build core CIAM capabilities that protect customers and support growth.

You will contribute to registration, login, authorization, and account lifecycle flows across B2C and B2B experiences. You’ll develop authentication features in Python or Kotlin, work with Okta, Auth0, and ForgeRock, and participate in code reviews, testing, and production deployments with the team.