Product Security Engineer II – CIAM

Affirm

. Build and ship customer-facing authentication features, including smoother login experiences, MFA, step-up authentication, and device binding .

Posted 10/27/2026full-timeRemote • United StatesMid-LevelSenior💰 $146,000 - $206,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in building customer-facing authentication features and backend services using Python or Kotlin, with a strong focus on secure software development and collaboration with cross-functional teams.

Highest-signal resume keywords

Python DevelopmentKotlin DevelopmentAPI DevelopmentAuthentication ExpertiseCollaboration Skills

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Backend DevelopmentAPIsData StructuresDatabasesVersion ControlDebuggingAutomated TestingCode ReviewMFADevice Binding

Soft Skills

Clear CommunicationCuriosityProblem-SolvingWillingness to LearnCollaboration

Tools & Technologies

OktaAuth0ForgeRock

Industry Keywords

Identity ProtocolsCIAM PlatformsSecure Software Development

Tech Stack

Tools & technologies

KotlinOpen SourcePython

About the role

Key responsibilities & impact

Build and ship customer-facing authentication features, including smoother login experiences, MFA, step-up authentication, and device binding
Develop backend services and APIs in Python or Kotlin
Work with Okta, Auth0, and ForgeRock to integrate identity capabilities with web, mobile, and partner applications
Contribute to design, write readable code and automated tests, participate in code reviews, and deploy scoped features to production
Debug services, improve reliability, and use logs and metrics to understand production behavior
Collaborate with engineering and product partners while developing secure software and authentication expertise

Requirements

What you’ll need

Ability to write, test, and debug software in Python, Kotlin, or a similar language through coursework, internships, personal projects, open source, or professional work
No fixed minimum years of experience required
Foundational understanding of backend development, including APIs, data structures, databases, and version control
Curiosity about authentication and motivation to build secure, reliable customer experiences
Prior experience with identity protocols or CIAM platforms is a plus, not a requirement
Practical problem-solving approach and willingness to learn through mentorship and code review
Clear communication and ability to collaborate with engineering, product, and security teammates
Equivalent practical experience or a Bachelor’s degree in a related field

Benefits

Comp & perks

Equity rewards may be included in total compensation
Monthly stipends for health, wellness, and tech spending
100% subsidized medical coverage for employees and dependents
Dental and vision coverage for employees and dependents
Flexible time off
Generous holiday calendars
Employee stock purchase plan (ESPP) with discounted Affirm stock
Inclusive interview process with accommodations for candidates with disabilities
Remote-first work flexibility
In-person onboarding experience for all new hires