Joblaze summary

The Senior Product Security Engineer at Affirm plays a crucial role in integrating security throughout the product development lifecycle, collaborating closely with product and engineering teams. This position requires expertise in web application architecture, cloud services, and familiarity with security standards like OWASP and PCI. Ideal candidates are seasoned professionals with a strong background in software development and threat modeling, capable of managing complex projects across teams. Affirm's remote-first culture emphasizes flexibility and inclusivity, fostering a supportive environment for its employees.

Joblaze insights

Listed 5 days ago — first seen on Joblaze October 28, 2026. Last confirmed on Affirm's careers page November 2, 2026.
Salary band is in line with the typical range for Security roles (median ~$170,000).
Starts above 45% of 102 comparable senior security roles in United States that list Python we track (median $180,000 across 45 companies). See Python salary trends
Python appears in 41.1% of 338 comparable senior security roles in United States; Kotlin appears in 0.3% of 338 comparable senior security roles in United States.

Quick facts

Is the Senior Product Security Engineer role remote?: Yes — Affirm lists this as a fully remote position.
What's the salary range?: Affirm lists $173,000–$255,000 for this role.
What's the tech stack?: Joblaze extracted these technologies from the posting: AWS, Azure, Java, Kotlin, Python.
What seniority level is this role?: Affirm targets senior candidates for this position.
Is this full-time or contract?: Full-time for this Senior Product Security Engineer role at Affirm.

From the original posting

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 values information security as a critical part of the company’s continued success. Our mission is to make information security programmatic and cultural in Affirm, enabling the company to succeed in building honest financial products. The Security team posture increases security and reduces risk while securely enabling access to information for those who need it!

The Senior Product Security Engineer candidate will have experience building and architecting software as part of a larger team. The ideal candidate will work effectively with product and engineering teams to evaluate and influence product requirements, design, and implementation to improve the security of Affirm’s products.

What You'll Do

Partner with Affirm product teams to ensure that security is included in every phase of the product development lifecycle.
Conduct threat modeling and architecture reviews to ensure threats are understood, documented, and mitigated.
Review and analyze product source code to identify security vulnerabilities and provide recommendations for secure implementation.
Seek out opportunities to automate processes when appropriate.
Identify emerging classes of vulnerabilities and developing solutions for them before they’re a problem.
Assist product teams in the development of security focused test cases to enforce security requirements.
Advise product teams on business security requirements early in the product development lifecycle.
Decompose large, cross-team projects into individual tasks. Manage scope across teams and drive toward project closure.

What We Look For

Deep understanding of web application architecture and design principles
Experience using modern software development and delivery techniques to develop cloud-based services. Python, Kotlin, Java, AWS, and Azure experience preferred.
Knowledge of common security flaws and resolution as published by OWASP, SANS, etc.
Experience with PCI or other regulated environments.
Experience conducting threat models for complex, distributed products using standard threat modeling techniques and methodologies.
Experience with standard authentication mechanisms, including SAML and OAuth2.
Understanding of continuous integration / continuous deployment processes and tools.
BS degree in related field or equivalent experience. MS degree in a related field or equivalent experience is a plus.

Base Pay Grade - N
Equity Grade - 9

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: $195,000 - $255,000 USD.
USA base pay range (all other U.S. states) per year: $173,000 - $233,000 USD.

#LI-Remote

Remote-first with flexibility built in
Affirm is proud to be a remote-first company. Most roles can be done from almost anywhere within the country of employment. Some positions may occasionally require in-person work at an Affirm office, and a few are office-based due to the nature of the work. All new hires will be invited to attend an in-person onboarding experience.

By clicking "Submit Application," you acknowledge that you have read Affirm's Global Candidate Privacy Notice and consent to the use of your personal information as described.

Standard company text repeated across Affirm's postings is omitted here.

Senior Product Security Engineer

What You'll Do

What We Look For

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