Senior Sales Engineer

Affirm, Inc.; Chicago (IL); Remote; USD 155,000 - 243,000; Full time

Benefits offered by this job

Health coverage for you and dependents

Tech setup stipends

Generous time off

Job summary

Affirm, Inc. is seeking a Senior Sales Engineer to lead technical discovery, architect scalable checkout solutions, and serve as a trusted advisor to enterprise merchants.

You will partner with sales and product teams to drive opportunities, influence product direction, and craft compelling technical narratives across the Affir platform. The role emphasizes cross-functional collaboration, deep API/systems knowledge, and travel up to 30%.

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 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

Responsibilities

• Serve as subject matter expert on integration solutions for merchants, mapping Affirms capabilities to customer systems.
• Architect end-to-end solutions addressing complex merchant challenges, including advanced integrations and customizations.
• Build trust with internal and external stakeholders, fostering long-term relationships with Enterprise & Key merchants.
• Partner with sales and partner engineering teams to drive opportunities for large customers.
• Provide actionable insights to influence product development and feature prioritization.
• Create and share best practices, reusable assets, and training materials to scale go-to-market.
• Provide technical & architectural input into sales planning and forecasting, identifying risks early.
• Develop pre-sales support material and documentation for new products and features.
• Build and present custom demos as required.

Skills

API integration expertise

SaaS platforms

Enterprise architectures

Technical sales / pre-sales

Education

BA/BS in business or technology

Job description

At Affir, 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 Affir 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 Affirms 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 Do

Technical Expertise: Serve as the subject matter expert on Affirms integration solutions, demonstrating deep understanding of merchant checkout, customer journeys, and the competitive landscape. Making the most compelling technical case for Affirms to merchants. Consistently demonstrate your technical expertise and knowledge of Affirms product suite through developing and articulating compelling technical narratives that map Affirms 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 Affirms.

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.

What We Look For

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

Please note that visa sponsorship is not available for this position.

Remote-first with flexibility built inAffirm 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 youOur 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.

Demographic Survey Statement (US-based roles)

Affirm is dedicated to building an inclusive culture where affirmers belong and have an equal opportunity to thrive.

To help us assess our outreach efforts, we invite candidates to voluntarily share information through a short demographic survey. This information is:

• Completely optional
• Anonymized and stored in aggregate
• Not accessible to recruiters or hiring managers at the individual level
• Never used in any hiring decision

Your decision to provide or withhold this information will not impact your candidacy in any way.

Voluntary Self-Identification

For government reporting purposes, we ask candidates to respond to the below self-identification survey.Completion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiringprocess or thereafter. Any information that you do provide will be recorded and maintained in aconfidential file.

As set forth in Affirms Equal Employment Opportunity policy,we do not discriminate on the basis of any protected group status under any applicable law.

If you believe you belong to any of the categories of protected veterans listed below, please indicate by making the appropriate selection.As a government contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we request this information in order to measurethe effectiveness of the outreach and positive recruitment efforts we undertake pursuant to VEVRAA. Classification of protected categoriesis as follows:

A "disabled veteran" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability.

A "recently separated veteran" means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.

An "active duty wartime or campaign badge veteran" means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.

An "Armed forces service medal veteran" means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.