Buy now pay later without the fees. Flexible payment options with longer plans, lower payments, and no fees. Pay in 4 interest-free or get more time and see your total cost upfront. Backed by Battery, Khosla and Lightspeed.
About the role
Affirm is building the next generation of customer identity and authentication. This role is a hands-on, mid-engineering position inside Information Security, contributing to core CIAM capabilities that protect customers and support growth. Found on 1752vc Careers, the job board for startup and VC roles.
What they're looking for
- 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
More about this role
At Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most.
Affirm is building the next generation of customer identity and authentication. This role is a hands-on, mid-engineering position inside Information Security, contributing to core CIAM capabilities that protect customers and support growth.
You will help build and maintain backend services that power registration, login, authorization, and account lifecycle flows across B2C and B2B experiences. You will work with experienced engineers and partner teams to deliver scoped identity features with strong security fundamentals, reliability, and operational rigor.
- 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...
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