Staff Software Engineer, Backend – Fraud Decisioning

Affirm

. Lead projects and initiatives on the Fraud Decisioning team .

Posted 10/9/2026full-timeRemote • United StatesLead💰 $204,000 - $264,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in system architecture and software development, with a strong focus on building and maintaining complex systems. Proven ability to lead cross-functional teams, mentor engineers, and drive data-driven decision-making in fraud prevention initiatives.

Highest-signal resume keywords

System Architecture ExperienceTechnical LeadershipCross-Functional Team CollaborationMentoring Junior EngineersData-Driven Decision Making

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Software EngineeringSystem DesignCode ReviewProject ManagementAnalyticsFraud Detection SystemsTechnical SpecificationReusable Code DevelopmentComplex Systems MaintenanceTask Breakdown

Soft Skills

Constructive FeedbackStakeholder AdvocacyTeam BuildingCommunicationMentoring

Certifications & Qualifications

Bachelor's Degree in Related Field

Industry Keywords

Fraud DecisioningCross-Functional InitiativesData-Driven DecisionsProduct RequirementsTechnical Interview Content

About the role

Key responsibilities & impact

Lead projects and initiatives on the Fraud Decisioning team
Build tools and systems that empower Affirm’s fraud-fighting capabilities
Work with cross-functional teams to adopt and monitor fraud systems
Use analytics and data-driven decisions to improve fraud decider performance and quality
Plan and execute large cross-functional initiatives, including project definition, technical specification, task breakdown, delivery, monitoring and maintenance
Create simple, elegant, deployable and debuggable designs that anticipate unhappy paths
Write high-quality, understandable and reusable code
Review others’ work and provide constructive feedback
Lead and mentor engineers and help them grow
Incorporate stakeholder needs, advocate for initiatives and build common understanding
Conduct technical and soft-skill evaluations for hiring decisions
Develop and review technical interview content and requirements

Requirements

What you’ll need

6-10+ years of experience as a software engineer with leadership responsibilities and experience mentoring junior engineers
Prior experience architecting, building, launching, coding and maintaining complex systems
Experience working with cross-functional teams including Product, ML, Analytics and Business teams
Technical leadership and team-building experience
Expertise synthesizing complex business, product and technical requirements into high-quality system designs and software
System architecture experience, including breaking business and product requirements into system modules or components
Either equivalent practical experience or a Bachelor’s degree in a related field

Benefits

Comp & perks

Base pay may include equity rewards
Monthly stipends for health, wellness and tech spending
100% subsidized medical coverage for employees and dependents
Dental and vision coverage for employees and dependents
Flexible time off
Generous holiday calendars
Employee stock purchase plan (ESPP) to buy Affirm stock at a discount
Remote-first flexibility
In-person onboarding experience
Inclusive interview process and accommodations for candidates with disabilities