Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest.
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.
Staff 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
Affirm is proud to be a remote-first company! The majority of our roles are remote and you can work almost anywhere within the country of employment. Affirmers in proximal roles have the flexibility to work remotely, but will occasionally be required to work out of their assigned Affirm office. A limited number of roles remain office-based due to the nature of their job responsibilities.
We’re extremely proud to offer competitive benefits that are anchored to our core value of people come first. Some key highlights of our benefits package include:
- Health care coverage - Affirm covers all premiums for all levels of coverage for you and your dependents
- Flexible Spending Wallets - generous stipends for spending on Technology, Food, various Lifestyle needs, and family forming expenses
- Time off - competitive vacation and holiday schedules allowing you to take time off to rest and recharge
- ESPP - An employee stock purchase plan enabling you to buy shares of Affirm at a discount
We believe It’s On Us to provide an inclusive interview experience for all, including people with disabilities. We are happy to provide reasonable accommodations to candidates in need of individualized support during the hiring process.
[For U.S. positions that could be performed in Los Angeles or San Francisco] Pursuant to the San Francisco Fair Chance Ordinance and Los Angeles Fair Chance Initiative for Hiring Ordinance, Affirm will consider for employment qualified applicants with arrest and conviction records.
By clicking "Submit Application," you acknowledge that you have read Affirm's Global Candidate Privacy Notice and hereby freely and unambiguously give informed consent to the collection, processing, use, and storage of your personal information as described therein.
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
Affirm Compensation & Benefits Highlights
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Affordable Benefits — Zero-premium healthcare for employees and dependents is highlighted, with the benefits portal showing $0 payroll contributions and company-paid premiums for medical, dental, and vision in 2026. Transparent plan-cost displays further underscore the low out-of-pocket burden.
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Leave & Time Off Breadth — A wide mix is outlined, including Flexible Time Off for exempt employees, 20 accrued vacation days for non-exempt employees, Health Days, Bereavement, Life Happens leave, jury duty, and company-wide Away Days to reduce distractions. These programs collectively point to generous paid time provisions beyond standard PTO.
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Wellbeing & Lifestyle Benefits — No‑cost mental health support is offered via Lyra, and Forma-administered wallets provide substantial monthly stipends (e.g., Lifestyle and Tech) along with a S.A.F.E. family‑building wallet with a $20,000 lifetime maximum. This combination indicates strong support for everyday wellness and major life events.
Affirm Insights
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.
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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.
