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Senior Sales Engineer

Affirm· Infrastructure Platform Eng
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Hybrid (Canada)Full-timePosted 5d ago

About the role

Senior Sales Engineer role focused on pre-sales technical leadership, solutions architecture, and cross-functional collaboration to design and implement scalable Affirm checkout solutions for enterprise merchants. Remote Canada-based position with travel up to 30%.

Responsibilities

  • Serve as the subject matter expert on Affirm’s integration solutions and merchant checkout/navigation of customer journeys.
  • Architect end-to-end solutions addressing complex merchant challenges, including advanced integrations and customizations.
  • Build trust with technical counterparts and foster long-term relationships with Enterprise & Key merchants.
  • Partner with sales and partner engineering teams to drive opportunities for large customers and enable successful implementations.
  • Provide actionable product feedback to influence development and prioritization.
  • Create and share best practices, reusable assets, and training materials to scale GTM efforts.
  • Provide technical & architectural input into sales planning and forecasting; identify risks early and design scalable engagement models.
  • Develop pre-sales support material and documentation for new products/features.
  • Build and present custom demos as required.

Qualifications

  • BA/BS in business/technology, or equivalent technical account management experience
  • 4+ years in Sales Engineering, Solution Architecture, Partner Engineering, Solutions Engineering, technical sales or pre-sales roles with focus on solution architecture and best practices
  • 3+ years of current experience in payments, fintech, or closely related industry
  • Strong technical acumen in API integrations, SaaS platforms, and enterprise architectures, with emphasis on Checkout processes and payment systems
  • Extensive experience with Ecomm, In-Store, Telesales checkout & payment solutions
  • Solid understanding of financial infrastructure industry trends and emerging technologies
  • Keen technical mind comfortable writing scripts in at least one programming language
  • Excellent communication skills to articulate complex technical concepts to diverse audiences
  • Willingness to travel up to 30% of the time
  • Executive presence and strong relationship-building skills
  • Experience architecting solutions & positioning them with prospects for e-commerce platforms, payment gateways, POS systems

Skills

Required:Technical storytelling and solution articulationSolution architecture for integrationsAPI integrationsCheckout & payment systems

Benefits

  • Health coverage at no cost for employees and dependents
  • Monthly tech setup stipends and health/wellness options
  • Flexible time off and generous holiday calendar
  • Employee stock purchase plan (ESPP) at a discount
Last updated Oct 21, 2026. Interested? Apply on the company site.

About Affirm

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