CIAM Backend Engineer II — Remote

Affirm, Inc.; Charlotte (NC); Remote; USD 146,000 - 206,000; Full time

Benefits offered by this job

Health coverage for you and dependents

Monthly tech stipends

Flexible time off

ESPP

Job summary

Affirm, Inc. is seeking a hands-on mid-engineering contributor in Information Security to help build and maintain backend services powering registration, login, authorization, and account lifecycle across B2C and B2B experiences.

You will implement authentication features, work with modern identity technologies, and drive secure, reliable software through the full development lifecycle with support from a collaborative team.

Qualifications

• Demonstrated ability to write, test, and debug software in Python, Kotlin, or a similar language through coursework, internships, or professional work.
• Foundational understanding of backend development, including APIs, data structures, databases, and version control.
• Genuine curiosity about authentication and secure, reliable customer experiences; CIAM platform experience is a plus.

Responsibilities

• Build and ship customer-facing authentication features—from login experiences to MFA and device binding, with mentorship.
• Develop backend services and APIs in Python or Kotlin to support secure account access.
• Work with identity technologies like Okta, Auth0, ForgeRock and integrate them with web, mobile, and partner apps.
• Take features through the full SDLC: design, code, test, review, and production deployment with team support.
• Debug services, improve reliability, and use logs/metrics to understand production behavior.
• Collaborate with engineering, product, and security teams to grow skills in authentication.

Skills

Python

Kotlin

Backend development

APIs

Security

Education

Bachelor’s degree or equivalent experience

Tools

Okta

Auth0

ForgeRock

Job description

Affirm, Inc. is seeking a hands-on mid-engineering contributor in Information Security to help build and maintain backend services powering registration, login, authorization, and account lifecycle across B2C and B2B experiences.

You will implement authentication features, work with modern identity technologies, and drive secure, reliable software through the full development lifecycle with support from a collaborative team.