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[Remote] Staff Product Security Engineer

Work from home Full-time role Hiring

Note: The job is a remote job and is open to candidates in USA. 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. The Staff Product Security Engineer will work with product and engineering teams to ensure security is integrated throughout the product development lifecycle, conducting threat modeling and reviewing product source code to enhance security measures.

Responsibilities

  • 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

Skills

  • 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

Benefits

  • Equity rewards
  • Monthly stipends for health, wellness and tech spending
  • Benefits (including 100% subsidized medical coverage, dental and vision for you and your dependents.)
  • 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

Company Overview

  • Affirm is a financial technology services company that offers installment loans to consumers at the point of sale. It was founded in 2012, and is headquartered in San Francisco, California, USA, with a workforce of 1001-5000 employees. Its website is https://www.affirm.com.
  • Company H1B Sponsorship

  • Affirm has a track record of offering H1B sponsorships, with 20 in 2026, 104 in 2025, 96 in 2024, 133 in 2023, 179 in 2022, 132 in 2021, 57 in 2020. Please note that this does not guarantee sponsorship for this specific role.
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