Affirm
Staff Software Engineer, Backend (Fraud Decisioning)
Remote Canada +1 · Remote · Staff · Full-time · Posted Oct 9, 2026
- Location
- Remote Canada
Remote US - Experience
- 6-10+ years; no stated alternatives.
About the job
Leads the design and delivery of backend systems and cross-functional initiatives that improve fraud decisioning while protecting Affirm, buyers, and merchants.
What you'll do
- Plan and deliver large cross-functional initiatives, from technical specification through monitoring and maintenance.
- Design, build, review, and maintain high-quality software systems.
- Mentor engineers, coordinate stakeholder input, and contribute to hiring and interview processes.
What they ask for
- 6-10+ years of software engineering experience with leadership responsibilities and experience mentoring junior engineers.
- Experience architecting, building, launching, coding, and maintaining complex systems.
- Ability to synthesize business, product, and technical requirements into high-quality system designs.
- Technical leadership and team-building skills, including mentoring on software development best practices.
Nice to have
- Passion for working with Product, ML, Analytics, and Business teams.
Model-written summary · the original posting is authoritative