Sr Staff Software Engineer, Backend (Fraud/Identity/Data)

New York, NY, United States, Remote, San Francisco, CA, United States


Role Locations

  • New York, NY, United States
  • Remote
  • San Francisco, CA, United States


501+ people


650 California St Fl 12
San Francisco, CA, 94108-2716, US

Tech Stack

  • Python
  • Java
  • AWS
  • React
  • JavaScript
  • Kotlin
  • Swift

Role Description

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. Our Fraud Engineering team’s mission is to protect both consumers and our business by preventing fraud at the point of purchase, uncovering fraud that has occurred, and mitigating its impact. Are you excited about preventing consumer Identity Theft and Account Takeover? Help us build our next generation Fraud Mitigation and User Identification Platform that will identify hundreds of thousands of potential users a day and keep our customers safe.

Our team is growing and looking for a Sr Staff Software Engineer to help expand our products to identify more consumers with less friction. Come join us!

What You’ll Do Help shape the technical direction of Fraud Engineering team Design and implement large scale and low latency services, elegant abstractions, shareable libraries, and robust APIs Work with our Product team to extend our core decisioning service; building new risk and fraud mitigation features Revamp our Risk Operations toolset - helping uncover fraud in real time Look for ways to improve the end-to-end experience for developers working on our systems Support Data Science by providing them with the feedback and signals needed to build effective models Participate in our team’s on-call rotation to communicate, escalate, and fix critical issues while insulating other developers from interruptions Collaborate with compliance and engineering teams to identify, remediate, and prevent issues & risk Work with product and internal partners to extend our identity decisioning service Take an active role in mentoring junior engineers, and the processes that support team growth and efficiency

What We Look For Experienced: experience building real-time distributed web services, with experience in fraud detection and risk decisioning systems Passion and drive to change consumer banking for the better Technical leadership; someone capable of handling mentorship, cross functional project execution, and solid individual contributions Prior experience architecting, building, launching and maintaining complex systems Well-developed interpersonal, written and verbal communication Humility and self-awareness to understand and navigate the unknown

About Affirm

Affirm empowers people to say yes to more of the things they love.

While traditional credit cards charge compounding interest and late fees, we show you up front exactly what you’ll owe—with no hidden fees and no surprises. And through advanced technology and analytics that look beyond traditional FICO scores, we’re able to serve a much broader population than anyone else in the space.

We’re growing fast and hiring smart, curious people to help us revolutionize the banking industry and make it more accountable, accessible, and human. If you’re ready to make a difference, join us.

Company Culture

Affirmers believe people come first. We’re passionate about building something that makes a positive change in our customers’ lives.

Success means all hands are on deck—from engineering to sales and operations. We collaborate companywide and challenge each other to bring thoughtful ideas to every project. Even with our growth, Affirm still feels like a tightly-knit team where every perspective counts.

Interested in this role?
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