Senior Sales Engineer

WinsAbove; Northern (KY); Hybrid; USD 155,000 - 243,000; Full time

Benefits offered by this job

Health coverage

Tech stipend

Flexible time off

ESPP

Job summary

Affim is seeking a Senior Sales Engineer to blend technical aptitude with strong communication to help enterprise merchants design scalable, reliable solutions on the Affim platform.

You will lead technical discovery, architect integrations, and partner with Sales, Engineering, and Product to win deals while building scalable pre-sales processes and assets.

This remote-first role requires up to 30% travel, offers competitive benefits, and notes visa sponsorship is not available.

Qualifications

• BA/BS degree in business/technology or equivalent experience.
• 4+ years in Sales Engineering, Solution Architecture, Partner Engineering, Solutions Engineering, technical sales or pre-sales.
• 3+ years in payments/fintech or related industry.
• Strong API, SaaS, and enterprise architecture knowledge with focus on checkout and payment systems.
• Proven ability to manage multiple assignments independently with attention to detail.
• Extensive experience with e-commerce, in-store, telesales checkout and payment solutions.

Responsibilities

• Lead technical discovery and develop tailored solutions for enterprise merchants.
• Architect end-to-end integrations and complex customizations.
• Build trust with customers and cross-functional teams; drive opportunities with partners and sales.
• Develop pre-sales materials, demos, and scalable engagement models for repeatable success.
• Influence product direction by representing the customer voice to product management.

Skills

API integrations

SaaS platforms

Enterprise architectures

Checkout processes

Payment systems

Scripting language

Communication skills

Relationship building

Travel readiness

Education

BA/BS in business or technology

Job description

At Affim, 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 Affim 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 Affim’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 Do

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

• 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.

#LI-Remote

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 Affim 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 Affim 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: Affim considers qualified applicants with arrest and conviction records, as required by law.