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.
As a Senior Sales Engineer, you’ll combine your technical aptitude, exceptional communication skills, and creative problem solving to help enterprise merchants design and implement scalable, reliable 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 and driving the business forward.
Senior Sales Engineers are part of the Merchant Engineering team and work closely with Affirm’s Sales, Engineering, and Product teams. You will work cross-functionally to develop merchant solutions, serve as a trusted technical advisor to customers, identify product enhancements, and help build internal processes that scale.
What You'll DoTechnical Expertise: Serve as the subject matter expert on Affirm’s integration solutions, demonstrating deep understanding of merchant checkout, customer journeys, and the competitive landscape. Making the most compelling technical case for Affirm to merchants. Consistently demonstrate your technical expertise and knowledge of Affirm’s product suite through developing and articulating compelling technical narratives that map Affirm’s capabilities to merchant systems, increasing solution scope and long-term platform adoption.
Solution Development: Architect elegant solutions addressing specific customer challenges, including complex integrations and customizations. As necessary, think outside-the-box to design and architect end-to-end solutions that address complex merchant challenges, including advanced integrations and customizations. Evaluate tradeoffs across merchant constraints, platform capabilities, and non-functional requirements, and design tailored solutions aligned with each merchant’s business and technical priorities.
Merchant Trust: You will be responsible for building the trust of your technical counterparts, both internally and externally, while also fostering long term relationships with our Enterprise & Key merchants.
Partner Success: Partner with sales and partner engineering teams to drive opportunities for our largest customers, leading solution strategy and laying groundwork for successful implementations.
Product Influence: Act as the "voice of the customer," providing actionable insights to influence product development and feature prioritization to product management at Affirm.
Knowledge Scaling: Create and share best practices, reusable assets, and training materials to enhance go-to-market efficiency.
Sales Support: Provide technical & architectural input into sales planning and forecasting, identify technical risks and constraints early, and collaborate with Sales Operations to design scalable, repeatable technical engagement models. Work with Sales operations to build and refine scalable business processes.
Market Engagement: Develop pre-sales support material and documentation for new products and features.
Demo Development: Build and present custom demos as required.
Passion and drive to change consumer checkouts & payments for the better
BA/BS degree in business/technology, or equivalent technical account management experience
4+ years of experience in 4+ years 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 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 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, with the 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 & technically positioning them with prospects for e-commerce platforms, payment gateways, in-store point of sale systems etc.
Willingness to travel up to 30% of the time
Base Pay Grade - J
Equity Grade - 5
USA Pacific OTE (CA, WA, NY, NJ, CT): $175,500 - $243,000
USA Sapphire OTE (all other U.S. states): $155,250 - $222,750
Remote-first with flexibility built in
Affirm is proud to be a remote-first company. Most roles can be done from almost anywhere within the country of employment. Some positions may occasionally require in-person work at an Affirm office, and a few are office-based due to the nature of the work. All new hires will be invited to attend an in-person onboarding experience.
Benefits designed for you
Our benefits reflect our commitment to care, transparency, and flexibility. Here are a few highlights:
- Health coverage at no cost: We cover 100% of premiums for employees and their dependents.
- Spending stipends: Monthly stipends support your tech setup, and the ability to choose health and wellness options that are right for you.
- Time off to recharge: Flexible time off and generous holiday calendars help you rest when you need to.
- Own a piece of what you build: Our employee stock purchase plan (ESPP) lets you buy Affirm stock at a discount.
We’re committed to providing an inclusive interview process, including accommodations for candidates with disabilities. If you need support, we’re happy to help.
For positions based in San Francisco or Los Angeles: Affirm considers qualified applicants with arrest and conviction records, as required by law.
By clicking "Submit Application," you acknowledge that you have read Affirm's Global Candidate Privacy Notice and consent to the use of your personal information as described.
Skills Required
- BA or BS degree in business or technology, or equivalent technical account management experience
- 6 or more years of experience in sales engineering, solution architecture, partner engineering, solutions engineering, technical sales, or pre-sales roles
- 3 or more years of current experience in payments, fintech, or a closely related industry
- Strong technical knowledge of API integrations, SaaS platforms, enterprise architectures, checkout processes, and payment systems
- Experience with e-commerce, in-store, telesales, checkout, and payment solutions
- Understanding of financial infrastructure industry trends and emerging technologies
- Ability to write scripts in at least one programming language
- Experience architecting and technically positioning solutions for e-commerce platforms, payment gateways, and in-store point-of-sale systems
- Excellent communication, executive presence, and relationship-building skills
- Ability to manage multiple assignments independently and drive projects to completion
- Willingness to travel up to 30% of the time
What the Team is Saying
What We Do
At Affirm, we help people say yes to the things that matter with flexible, transparent ways to pay over time. No hidden fees, no compound interest, and no fine print—just a smarter way to spend.
Why Work With Us
Who is an Affirmer? /noun/ Someone who believes finance shouldn’t be complicated. We come from a diverse set of backgrounds and we’re driven by the desire to improve lives through honest financial products. We define success by challenging one another to bring our best ideas to every single project—and we have fun while doing it.
Gallery
.jpg)
Affirm Offices
Remote Workspace
Employees work remotely.
Affirm is a remote-first company! Our employees can work anywhere in the U.S. but if an office is more your style, we have office locations in San Francisco, Chicago, New York City, and Pittsburgh.
