Staff Software Engineer, Backend – Fraud Decisioning

Affirm

. Lead projects and initiatives on the Fraud Decisioning team .

Posted 10/9/2026full-timeRemote • CanadaLead💰 CA$181,000 - CA$241,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in architecting and building complex systems while leading and mentoring engineering teams. Proficient in utilizing analytics for data-driven decision-making and creating maintainable system designs.

Highest-signal resume keywords

Software Engineering LeadershipSystem ArchitectureCross-Functional CollaborationMentoring Junior EngineersData-Driven Decision Making

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

System DesignCode QualityTechnical SpecificationProject ManagementSoftware Development Best PracticesAnalyticsFraud Decisioning SystemsComplex Systems MaintenanceTask BreakdownTechnical Interview Development

Soft Skills

Constructive FeedbackStakeholder AdvocacyTeam BuildingCommunicationMentoring

Certifications & Qualifications

Bachelor’s Degree in Related Field

Industry Keywords

Fraud DecisioningCross-Functional TeamsData-Driven DecisionsTechnical LeadershipSoftware Development

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 decisioning systems
Use analytics and data-driven decisions to improve the performance and quality of fraud deciders
Plan and execute large, cross-functional initiatives, including project definition, technical specification, task breakdown, delivery, monitoring and maintenance
Create simple, elegant and maintainable system designs
Write high-quality, understandable code
Review others’ work and provide constructive feedback
Lead and mentor engineers and help them grow
Incorporate stakeholder needs and opinions and advocate for ideas and initiatives
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, including mentoring in software development best practices
Ability to synthesize complex business, product and technical requirements into high-quality system designs and software
Ability to architect systems and break business and product requirements into system modules or components
Either equivalent practical experience or a Bachelor’s degree in a related field
Must reside in Alberta, British Columbia, Manitoba, New Brunswick, Newfoundland and Labrador, Nova Scotia, Ontario, Prince Edward Island, or Saskatchewan

Benefits

Comp & perks

Equity rewards may be included in the total compensation package
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
Inclusive interview process and accommodations for candidates with disabilities