Affirm
Senior Product Security Engineer
$173K–$255K
Remote US · Remote · Senior · Full-time · Posted Oct 27, 2026
- Education
- BS degree in a related field or equivalent experience.
About the job
Partners with product and engineering teams to integrate security throughout product development and improve the security of Affirm’s products.
What you'll do
- Conduct threat modeling, architecture reviews, and source-code reviews; recommend mitigations and secure implementations.
- Advise product teams on security requirements and develop security-focused test cases.
- Automate security processes and manage cross-team projects through closure.
What they ask for
- Deep understanding of web application architecture and design principles.
- Knowledge of common security flaws and their resolution, including OWASP or SANS guidance.
- Experience with PCI or other regulated environments, threat modeling complex distributed products, and authentication mechanisms such as SAML and OAuth2.
- Understanding of continuous integration and continuous deployment processes and tools.
Nice to have
- Experience with Python, Kotlin, Java, AWS, or Azure.
- MS degree in a related field or equivalent experience.
Pay
$195,000 - $255,000 USD (base salary); $173,000 - $233,000 USD (base salary)
Tools
Python, Kotlin, Java, AWS, Azure, OWASP, SANS, SAML
Model-written summary · the original posting is authoritative