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Senior Sales Engineer

Affirm - Remote - Remote - posted 2026-10-15

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Salary: CAD 136,350 - 203,850 / annual

Affirm is seeking a Senior Sales Engineer to combine technical expertise, communication skills, and creative problem-solving to help enterprise merchants design and implement scalable solutions on the Affirm platform. You'll support pre-sale activities by leading technical discovery, analyzing requirements, and identifying well-architected solutions while playing a key role in winning deals. As part of the Merchant Engineering team, you'll work closely with Sales, Engineering, and Product teams to develop merchant solutions, serve as a trusted technical advisor to customers, identify product enhancements, and help build internal processes that scale. Key responsibilities include: - Serve as subject matter expert on Affirm's integration solutions, demonstrating deep understanding of merchant checkout, customer journeys, and competitive landscape - Architect elegant solutions addressing specific customer challenges, including complex integrations and customizations - Build trust with technical counterparts internally and externally, fostering long-term relationships with enterprise and key merchants - Partner with sales and partner engineering teams to drive opportunities for largest customers, leading solution strategy - Act as "voice of the customer," providing actionable insights to influence product development and feature prioritization - Create and share best practices, reusable assets, and training materials to enhance go-to-market efficiency - Provide technical and architectural input into sales planning and forecasting; identify technical risks early - Develop pre-sales support material and documentation for new products and features - Build and present custom demos as required - Travel up to 30% of the time Requirements: - 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 payments, fintech, or closely related industry - Strong technical acumen in API integrations, SaaS platforms, and enterprise architectures, with particular emphasis on checkout processes and payment systems - Proven ability to manage multiple assignments simultaneously, work independently and drive projects to completion with minimum guidance and high attention to detail - Extensive experience with ecommerce, in-store, telesales, and other checkout and 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 with ability to articulate complex technical concepts to diverse audiences - Executive presence and strong relationship-building skills - Passion for customer success and dedication to championing the customer voice - Experience architecting solutions and technically positioning them with prospects for e-commerce platforms, payment gateways, in-store point of sale systems

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