Senior Software Engineer, Backend (Trust & Safety)

About this role

Build and operate backend systems that protect Affirm’s consumers, merchants, and network from fraud and abuse. Lead delivery of team goals, guide engineers through ambiguous problems, and collaborate with product, design, analytics, risk, and operations.

About the company

Affirm offers buy now, pay later financing that lets consumers split purchases into transparent installment payments at checkout. It partners with merchants to provide flexible credit options without late fees.

The team

Trust & Safety Engineering

Stack

What you'll do

• Own and deliver quarterly team goals, leading engineers through open-ended problems.
• Collaborate with product, design, and analytics on product decisions, technical constraints, risks, and trade-offs.
• Identify and lead solutions to project, process, technology, and business issues.
• Monitor system metrics, escalate operational issues, and contribute to on-call and availability efforts.
• Set and improve code review and design standards; share practices through writing and tech talks.
• Mentor teammates through feedback and guidance.

What we're looking for

• 4+ years designing, developing, and launching backend systems at scale.
• Experience building highly available distributed systems.
• Experience defining technical plans and designing significant features or system components.
• Write high-quality, understandable code and safely make significant changes in large codebases.
• Strong verbal and written communication skills for global collaboration.
• Proactively seek feedback and take ownership of professional growth.

Benefits

• 100% subsidized medical, dental, and vision coverage for employees and dependents.
• Monthly health, wellness, and technology spending stipends.
• Flexible time off and generous holidays.
• Employee stock purchase plan with a stock discount.