People Matter

Senior Software Engineer, Backend (Merchant Insights)



Software Engineering
Remote · Poland
Posted on Friday, December 16, 2022

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.

Join our Merchant Insights Engineering team in Poland and help shape the future of merchant optimization with Affirm! We are on a mission to empower our merchant partners, enabling them to achieve their unique business goals and maximize the value they receive from our platform. By collaborating closely with product managers, we develop innovative systems that provide unparalleled value to our merchant partners. As a Senior Engineer, you will play a crucial role in automating the optimization of merchant configurations, such as pricing, to deliver optimal value for both our merchants and Affirm. We believe in fostering mutually beneficial relationships where both parties succeed together.

Join us today and be part of a team that is revolutionizing the way merchants optimize their businesses with Affirm. Together, we'll unlock new opportunities and drive mutual success.

What You'll Do:

  • Design, develop, and deliver well-scoped milestones for a project. Deploy cutting-edge solutions that identify, optimize, and validate optimized configurations for our merchant partners.
  • Create robust tools that empower merchants to analyze their portfolios, automate simulation processes, and monitor optimization experiments.
  • Collaborate with Analysts, Data Scientists, and Product Engineers to build scalable products that optimize value for Affirm and our merchant partners, helping them achieve their business goals.
  • Work closely with tech leads, managers, and cross-functional teams within Affirm, including engineering, credit, marketing, and analytics, to understand performance modeling strategies, business drivers, and drive requirements for new products.
  • Take an active role in mentoring junior engineers and improving processes that support team growth and efficiency

What We Look For:

  • 4+ years of experience as a software engineer
  • A strong understanding of distributed systems and how architectural decisions affect performance and maintainability
  • Excellent written and verbal communication skills, with a focus on asynchronous communication methods like tech specs, wikis, and project plans.
  • Excellent project management skills–high degree of organization and ability to surface critical information effectively.
  • Passion for collaborating with cross-functional teams, including Product, Design, Analytics, and Business teams.
  • Experience in building data-driven solutions is highly desirable.
  • Python/Kotlin development experience is a plus.
  • Familiarity with AWS or other cloud providers is a plus.

Compensation & Benefits

We offer a competitive package, with some highlights listed below. However, the given figures are not guaranteed compensation ranges; rather, they are unbinding, approximate indications of what the salary may be for your awareness. The actual salary may be less than the lower range or greater than the upper range, depending on skills and experience. No employee is guaranteed salary at the amount of the lower range.
  • Targeted Gross Monthly Salary: 22,042 - 27,550 PLN
  • Type of employment: Contract of Employment
  • Flexible Spending Wallets for tech, food and lifestyle
  • Generous time off policies
  • Away Days - wellness days to take off work and recharge
  • Learning & Development programs
  • Parental leave
  • Robust health benefits
  • Employee Resource & Community Groups
  • This role is eligible for creative tax benefits, subject to applicable law and company policy

Location - Remote Poland

The majority of our roles can be located anywhere in Poland.

**This job description is not a contractual document, and is not intended to have binding force.**


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 have a simple and transparent remote-first grade-based compensation structure. Offer amounts within the range are based on a number of factors including but not limited to job-related skills, experience, and relevant education or training. Across the broader organization, certain roles are eligible for equity awards upon hire, promotion, tenure milestones and for performance.

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.

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.