Staff Software Engineer, Backend (Fraud Decisioning)

Affirm·Remote CanadaRemotesenior

In short

→Ingeniero de software principal en backend, enfocado en sistemas anti-fraude de alto impacto.
→Diseñas arquitecturas robustas, lideras equipos y te involucras en decisiones técnicas y de contratación.
→Destacado: trabajas directamente con machine learning, datos y equipos cruzados para proteger transacciones en tiempo real.

Required: ability to work in English in a cross-functional, global team

✓ Free to start✓ Runs in your browser✓ First dossier, no card✓ Ready in ~1 minute

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The questions they'll ask you

1. ¿Cómo estructurarías un sistema de decisión de fraude que priorice precisión sin sacrificar latencia en transacciones en tiempo real?

🔒 +7 more questions

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💵 USD · Remote · No visa

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What they ask for

✓6-10+ años como ingeniero de software con responsabilidades de liderazgo.
✓Experiencia en arquitectura, construcción y mantenimiento de sistemas complejos.
✓Capacidad para liderar proyectos multi-equipo y decidir el cómo y cuándo de la entrega.
✓Habilidades sólidas en mentoring y desarrollo de talento técnico.
✓Experiencia trabajando con equipos de producto, ML, análisis y negocios.
✓Capacidad para traducir requisitos complejos en diseños de sistemas claros y escalables.

Don't tick every box? That's normal — your free dossier shows your gaps and how to cover them in the interview.

BackendFraud DecisioningSystem ArchitectureCross-functional TeamsMachine LearningAnalyticsData-driven DecisionsTechnical LeadershipCode QualityMentoring

Who should you write to at Affirm?

Your free dossier identifies the people who'd interview you — their background, what they value, and how to reach out so you stand out before applying.

At Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. We are looking for a Staff Engineer to lead projects and initiatives on the Fraud Decisioning team. You’ll be responsible for building tools and systems that empower Affirm fraud fighting capabilities, work with cross-functional teams to adopt and monitor those and use analytics and data driven decisions to further improve the performance and quality of fraud deciders. Our mission is to drive growth while protecting Affirm, buyers, and merchants. We achieve this by leveraging data to evaluate risk at critical points in the user journey, adapting to the ever-changing fraud landscape, and by introducing new fraud-fighting capabilities.. What You’ll Do • Work across the org to plan and execute large, cross-functional initiatives, including: project definition, technical specification, task break-down, delivery, monitoring, and maintenance. • Generate simple and elegant designs that are easily deployed and debugged, but anticipate the unhappy path. Write high-quality code that can be easily understood and leveraged by others. • Review others’ work and provide constructive feedback in order to maintain high and consistent quality standards across teams. • Lead and mentor engineers to help them succeed and grow. Provide the right context to engineers and train them to take ownership of their respective pieces of the initiative. • Effectively incorporate needs and opinions from stakeholders, advocate for ideas and initiatives, and create a common understanding where all voices are heard. • Conduct technical and soft skill evaluations to inform and influence the hiring decisions. Develop and review the technical content and requirements of the interview process. What We Look For • 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. • Passion for working with cross-functional teams including Product, ML,Analytics and Business teams. • A technical leader and team builder who can mentor the team in software development best practices. • Expert at synthesizing complex business, product, and technical requirements to consistently produce high quality system designs and software. • A system architect who can see the big picture and envision how business and product requirements can be broken up into system modules or components. • This position requires either equivalent practical experience or a Bachelor’s degree in a related field. Base Pay Grade - P Equity Grade - Canada 7 Employees new to Affirm typically come in at the start of the pay range. Affirm focuses on providing a simple and transparent pay structure which is based on a variety of factors, including location, experience and job-related skills. Base pay is part of a total compensation package that may include equity rewards, monthly stipends for health, wellness and tech spending, and benefits (including 100% subsidized medical coverage, dental and vision for you and your dependents.) CAN base pay range per year: <span data-formula-id="_c_f_k_P5xGmz9k_0" data-

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