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.

We are seeking a highly motivated Senior Staff Engineer to contribute to Developer Productivity, with a focus on Test Platform Engineering. Our team’s flagship platforms provide lightweight test frameworks for every layer, synthetic identities, test data seeding, endpoint mocking, and overall testing infrastructure. These tools enable Affirm Engineering Teams to perform automated, deterministic testing with consistency across locations. Additionally, we support our partner teams in conducting exploratory testing, allowing us to evolve our ways of working collaboratively.

Our goal is to create a workplace where teams of partners from engineering, product, and design backgrounds can focus on creativity and problem-solving, empowered by simplified, repeatable, and automated testing processes.

In this role, you will actively collaborate on the multi-year roadmap, design technical solutions for the hardest problems, and drive cross-team, cross-domain initiatives. You will work closely with the Engineering Director and the team to enhance quality standards and processes, while representing the team in broader organizational efforts.

Affirm is growing fast and we want you to enable us to scale our products to 10x and beyond through building world-class systems which enable Affirm in its mission to provide honest financial products which improve lives.

We are only just getting started! Come join us as we build a beloved, lasting financial services brand predicated on honesty and trust. It’s going to be an amazing ride!

What You'll Do

Lead Multi-Year Strategy: Define and execute the technical strategy for Test Platform Engineering, ensuring it aligns with broader organizational goals and business impact.
Cross-Functional Leadership: Lead complex, cross-team initiatives, making critical technical decisions while fostering collaboration across engineering, product, and design teams.
Influence Roadmaps: Work closely with stakeholders to align roadmaps across multiple domains, ensuring that test infrastructure supports product scalability and reliability.
Mentorship and Technical Leadership: Mentor and guide engineers to elevate technical standards and quality, particularly in designing robust testing frameworks.
Build World-Class Systems: Architect scalable test systems that enable rapid growth, ensuring Affirm’s infrastructure can scale 10x while maintaining the highest standards of quality and automation.
On-Call Rotation - There would be an on-call rotation for this role as a requirement

What We Look For

10+ years of software development experience, with proven success leading large-scale, multi-team initiatives across products and teams with presence in multiple regions.
Technical Vision and Leadership: Ability to define technical roadmaps and strategies that impact multiple teams and drive business results.
Experience Contributing to Platform and Infrastructure Programs: Expertise in designing, building, and scaling automation related frameworks and infrastructure. Experience in test related infrastructure, frameworks, and tooling is a major plus.
Strong Communication Skills: Proven ability to collaborate and influence both technical and non-technical teams, with a focus on asynchronous communication such as technical specs, RFCs, and project plans.
Hands-On Experience in Key Technologies: Deep expertise in Python, Kotlin, or React, with a focus on testing best practices. Familiarity with Test-Driven Development (TDD) is a plus.

Compensation & Benefits

Base Pay Grade - R

Equity Grade - Spain 7

Employees new to Affirm typically come in at the start of the pay range. Affirm focuses on providing a simple and transparent pay structure which is based on a variety of factors, including location, experience and job-related skills.

Base pay is part of a total compensation package that may include monthly stipends for health, wellness and tech spending, and benefits (including 100% subsidized medical coverage, dental and vision for you and your dependents). In addition, the employees may be eligible for equity rewards offered by Affirm Holdings, Inc. (parent company).

ESP base pay range per year: €117,000 - €147,000

Additional benefits include:

Flexible Spending Wallets for tech, food and lifestyle
Away Days - wellness days to take off work and recharge
Learning & Development programs
Parental leave
Employee Resource & Community Groups

We are able to offer visa sponsorship for this role, but do require that someone is based in Spain for the role.

Location - Remote Spain

#LI-Remote

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 the Affirm Employment Privacy Policy for applicants within the United States, the EU Employee Notice Regarding Use of Personal Data (Poland) for applicants applying from Poland, the EU Employee Notice Regarding Use of Personal Data (Spain) for applicants applying from Spain, or the Affirm U.K. Limited Employee Notice Regarding Use of Personal Data for applicants applying from the United Kingdom, and hereby freely and unambiguously give informed consent to the collection, processing, use, and storage of your personal information as described therein.

Senior Staff Software Engineer

What You'll Do

What We Look For

Compensation & Benefits

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