Senior Sales Engineer

Affirm

. Combine technical aptitude, communication skills, and creative problem solving to help enterprise merchants design and implement scalable, reliable solutions on the Affirm platform .

Posted 10/15/2026full-timeRemote • CanadaSenior💰 CA$136,350 - CA$203,850 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates strong technical acumen in API Integrations, SaaS Platforms, and Enterprise Architectures, with a focus on E-commerce and Payment Systems. Capable of leading technical discovery, architecting solutions, and fostering relationships with enterprise merchants to drive business growth.

Highest-signal resume keywords

API IntegrationsSolution ArchitectureSales EngineeringE-commerce SolutionsCustomer Relationship Management

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Solution ArchitectureAPI IntegrationsSaaS PlatformsCheckout ProcessesPayment SystemsTechnical SalesPre-sales SupportTechnical DocumentationProgramming Language ProficiencyFinancial Infrastructure Trends

Soft Skills

Excellent Communication SkillsCreative Problem SolvingRelationship BuildingAttention to DetailCustomer Success Advocacy

Tools & Technologies

E-commerce PlatformsPayment GatewaysPoint-of-Sale SystemsSales Operations ToolsTechnical Engagement Models

Industry Keywords

FintechPaymentsEnterprise ArchitectureTechnical Account ManagementCustomer Journeys

About the role

Key responsibilities & impact

Combine technical aptitude, communication skills, and creative problem solving to help enterprise merchants design and implement scalable, reliable solutions on the Affirm platform
Lead technical discovery, analyze requirements, and identify well-architected solutions during pre-sales activities
Support deal wins and drive business growth
Work with Sales, Engineering, and Product teams to develop merchant solutions
Serve as a trusted technical advisor to customers
Identify product enhancements and help build scalable internal processes
Serve as subject matter expert on Affirm integration solutions, merchant checkout, customer journeys, and the competitive landscape
Develop and articulate technical narratives mapping Affirm capabilities to merchant systems
Architect end-to-end solutions for complex integrations and customizations
Evaluate tradeoffs across merchant constraints, platform capabilities, and non-functional requirements
Build trust with internal and external technical counterparts and foster long-term enterprise and key merchant relationships
Partner with sales and partner engineering teams to lead solution strategy and support successful implementations
Provide customer insights to influence product development and feature prioritization
Create and share best practices, reusable assets, and training materials
Provide technical and architectural input into sales planning and forecasting
Identify technical risks and constraints early
Collaborate with Sales Operations on scalable, repeatable technical engagement models and business processes
Develop pre-sales support material and documentation for new products and features
Build and present custom demos

Requirements

What you’ll need

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, especially checkout processes and payment systems
Ability to manage multiple assignments, work independently, and drive projects to completion with minimum guidance and high attention to detail
Extensive experience with Ecomm, In-Store, Telesales, and other checkout and payment solutions
Solid understanding of financial infrastructure industry trends and emerging technologies
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
Passion for customer success and championing the customer voice
Experience architecting and technically positioning solutions for e-commerce platforms, payment gateways, in-store point-of-sale systems, and similar technologies
Willingness to travel up to 30% of the time
Role open only to candidates residing in Alberta, British Columbia, Manitoba, New Brunswick, Newfoundland and Labrador, Nova Scotia, Ontario, Prince Edward Island, or Saskatchewan

Benefits

Comp & perks

Health coverage at no cost: 100% of premiums covered for employees and dependents
Monthly spending stipends for tech setup
Ability to choose health and wellness options
Flexible time off
Generous holiday calendars
Employee stock purchase plan (ESPP) with discounted Affirm stock
Inclusive interview process and accommodations for candidates with disabilities
In-person onboarding experience for all new hires