Job Description
Affirm is reinventing credit to make it more honest and friendly giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest.
Affirm is building the next generation of customer identity and authentication. This role is a hands-on engineering position inside Information Security focused on designing and shipping core CIAM capabilities that protect customers and support growth.
You will build and operate backend services that power registration login authorization and account lifecycle flows across B2C and B2B experiences. You will work closely with partner engineering teams and ensure identity features are delivered with strong security fundamentals reliability and operational rigor.
What you’ll do- Design build and operate core CIAM backend services that support customer registration authentication authorization account lifecycle and profile management for B2C and B2B platforms.
- Implement and extend identity standards such as OAuth 2.0 OIDC SAML and SCIM in code ensuring correctness scalability and clean integration patterns.
- Develop backend APIs and services in Python and Kotlin that expose identity capabilities to web mobile and partner applications.
- Integrate CIAM platforms with internal systems including user data stores messaging fraud signals and downstream customer platforms.
- Own secure authentication and account flows end to end including MFA step-up authentication device binding consent and adaptive authentication logic.
- Automate CIAM infrastructure and deployments using Infrastructure as Code and CI/CD pipelines treating identity as a core platform service.
- Monitor debug and optimize CIAM services for performance resilience and abuse detection in high-scale environments.
- Strong experience designing and implementing CIAM systems with deep hands-on knowledge of OAuth 2.0 OIDC SAML and SCIM beyond basic configuration.
- 5+ years of professional backend software engineering experience
- Strong production experience in Python or a similar backend language
- Experience designing APIs automation frameworks and distributed systems
- Hands-on experience building and maintaining CI/CD pipelines
- Experience with GitHub-based development workflows and Buildkite or similar build systems
- Experience with cloud-native development preferably AWS
- Hands-on experience extending and integrating CIAM platforms such as Okta Auth0 Ping Identity ForgeRock or Azure AD B2C using custom code hooks and APIs.
- Solid understanding of backend and distributed systems fundamentals including API design data modeling latency error handling and observability.
- Experience with Infrastructure as Code and automation tools such as Terraform plus CI/CD pipelines for deploying backend services.
- Strong security fundamentals applied through engineering including access control models token handling encryption MFA and privacy by design.
- Clear communication skills and the ability to work closely with product frontend mobile and security teams while owning backend identity services.
- Familiarity with tools such as Cursor and other AI-augmented development environments
Base Pay Grade - N
Equity Grade - USA 8
Employees new to Affirm typically come in at the start of the pay range. Affirm focuses on providing a simple and transparent pay structure which is based on a variety of factors including location experience and job-related skills.
Base pay is part of a total compensation package that may include equity rewards monthly stipends for health wellness and tech spending and benefits (including 100% subsidized medical coverage dental and vision for you and your dependents.)
USA base pay range (CA WA NY NJ CT) per year: $190000 - $240000
USA base pay range (all other U.S. states) per year: $169000 - $219000
#LI-Remote
Affirm is proud to be a remote-first company! The majority of our roles are remote and you can work almost anywhere within the country of employment. Affirmers in proximal roles have the flexibility to work remotely but will occasionally be required to work out of their assigned Affirm office. A limited number of roles remain office-based due to the nature of their job responsibilities.
We’re extremely proud to offer competitive benefits that are anchored to our core value of people come first. Some key highlights of our benefits package include:
- Health care coverage - Affirm covers all premiums for all levels of coverage for you and your dependents
- Flexible Spending Wallets - generous stipends for spending on Technology Food various Lifestyle needs and family forming expenses
- Time off - competitive vacation and holiday schedules allowing you to take time off to rest and recharge
- ESPP - An employee stock purchase plan enabling you to buy shares of Affirm at a discount
We believe It’s On Us to provide an inclusive interview experience for all including people with disabilities. We are happy to provide reasonable accommodations to candidates in need of individualized support during the hiring process.
[For U.S. positions that could be performed in Los Angeles or San Francisco] Pursuant to the San Francisco Fair Chance Ordinance and Los Angeles Fair Chance Initiative for Hiring Ordinance Affirm will consider for employment qualified applicants with arrest and conviction records.
By clicking "Submit Application" you acknowledge that you have read Affirm's Global Candidate Privacy Notice and hereby freely and unambiguously give informed consent to the collection processing use and storage of your personal information as described therein.
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What the Team is Saying
What We Do
At Affirm we help people say yes to the things that matter with flexible transparent ways to pay over time. No hidden fees no compound interest and no fine print—just a smarter way to spend.
Why Work With Us
Who is an Affirmer? /noun/ Someone who believes finance shouldn’t be complicated. We come from a diverse set of backgrounds and we’re driven by the desire to improve lives through honest financial products. We define success by challenging one another to bring our best ideas to every single project—and we have fun while doing it.
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Employees work remotely.
Affirm is a remote-first company! Our employees can work anywhere in the U.S. but if an office is more your style we have office locations in San Francisco Chicago New York City and Pittsburgh.
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Date Posted
04/10/2026
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