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Senior Sales Engineer

Affirm· Infrastructure Platform Eng
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Remote$175.5k - $243kFull-timePosted 5d ago

About the role

Senior Sales Engineer responsible for pre-sale technical discovery, solution development, and acting as a trusted technical advisor to enterprise merchants on the Affirm platform. Works cross-functionally with Sales, Engineering, and Product to design scalable integrations, influence product direction, and drive deal execution.

Responsibilities

  • Serve as the subject matter expert on Affirm’s integration solutions, focusing on merchant checkout, customer journeys, and competitive landscape; articulate compelling technical narratives mapping Affirm capabilities to merchant systems.
  • Architect end-to-end solutions addressing merchant challenges, including complex integrations and customizations; evaluate tradeoffs and design tailored solutions aligned with business and technical priorities.
  • Build merchant trust and foster long-term relationships with Enterprise & Key merchants.
  • Partner with sales and partner engineering teams to drive opportunities for large customers, leading solution strategy and successful implementations.
  • Act as the voice of the customer to influence product development and feature prioritization.
  • Create and share best practices, reusable assets, and training materials to scale go-to-market efforts.
  • Provide technical and architectural input into sales planning and forecasting; identify technical risks early and collaborate with Sales Operations to design scalable engagement models.
  • Develop pre-sales support material and documentation for new products and features.
  • Build and present custom demos as required.

Qualifications

  • BA/BS degree in business/technology, or equivalent technical account management experience
  • 4+ years of experience in Sales Engineering, Solution Architecture, Partner Engineering, Solutions Engineering, technical sales or pre-sales roles focusing on solution architecture and best practices
  • 3+ years of current experience in the 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 etc. 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 and ability to articulate complex technical concepts to diverse audiences
  • Executive presence and strong relationship-building skills
  • Experience architecting solutions & technically positioning them with prospects for e-commerce platforms, payment gateways, in-store POS systems
  • Willingness to travel up to 30% of the time

Skills

Required:Technical storytelling and solution articulationSolution architectureAPI integrationsCommunication

Benefits

  • Health coverage at no cost: 100% of premiums for employees and dependents
  • Spending stipends for tech setup and health/wellness options
  • Flexible time off and generous holiday calendars
  • Employee stock purchase plan (ESPP) to buy Affirm stock at a discount
Last updated Oct 21, 2026. Interested? Apply on the company site.

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