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Software Engineer II, Backend (Card)

Join Affirm as a Software Engineer II to develop seamless backend systems for Card products in a remote-first environment.

Location
Poland
Compensation
PLN 259k–PLN 379k/yr
Level
mid
Type
full time · Remote

Posted by employer 1 day ago

First seen on Joblaze 4 hours ago

Last verified on the company career page 4 hours ago

Skills & Technologies

What you'll build

  • Develop and implement complex software systems
  • Collaborate with product management and design
  • Create and monitor metrics for team artifacts
  • Participate in the interview process
  • Support operations and availability of systems

Must have

  • 2+ years of experience as a software engineer
  • Experience designing and launching backend systems
  • Proficient in Python or Kotlin
  • Familiar with distributed systems and AWS
  • Strong verbal and written communication skills

Requirements

Experience
2+ years

Not disclosed in this posting: visa sponsorship.

Benefits

Equity/Stock Options Flexible Time Off Learning and Development Programs Health Insurance Mental Well-being Support Parental Leave

Joblaze summary

In this role, the Software Engineer II on the Card Checkout team at Affirm focuses on developing and implementing backend systems that enhance the user checkout experience for Affirm's card products. Proficiency in Python or Kotlin, along with familiarity with distributed systems and technologies like AWS and MySQL, is essential for success. This position is ideal for engineers with at least two years of experience who are comfortable collaborating across teams and taking ownership of their work. The team operates in a remote-first environment, emphasizing flexibility and community engagement.

Joblaze insights

  • Listed today — first seen on Joblaze October 18, 2026. Last confirmed on Affirm's careers page October 18, 2026.
  • This exact title is also open at 1 other location at Affirm: Spain.
  • Starts above 4% of 186 comparable mid backend roles we track (median $130,000 across 70 companies).

Quick facts

Is the Software Engineer II, Backend (Card) role remote?
Yes — Affirm lists this as a fully remote position.
What's the salary range?
Affirm lists PLN 259,000–PLN 379,000 for this role.
How much experience is required?
At least 2 years of relevant experience for this Software Engineer II, Backend (Card) role.
What's the tech stack?
Joblaze extracted these technologies from the posting: AWS, Kotlin, Kubernetes, MySQL, Python.
What seniority level is this role?
Affirm targets mid-level candidates for this position.
Is this full-time or contract?
Full-time for this Software Engineer II, Backend (Card) role at Affirm.

From the original posting

At Affirm, 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.

The Card team is responsible for the Card products at Affirm. Our central focus is developing high quality, seamless, scalable and flexible platforms that enable users to get transparent, honest financing for their purchases anywhere with Affirm’s card products.

As a Software Engineer on the Card Checkout team, you will play a critical role in the development and implementation of complex software systems that allow for a seamless checkout experience for our users.
We're looking for a highly motivated Software Engineer to join the Card engineering team within the Direct to Consumer organization. Our team focuses on the in-app experience of Affirm Card products. We are a full-stack team of backend and mobile engineers partnering closely with product, design, and analytics to build scalable systems and experiences that power our Card products.

What You'll Do

  • With the support of your team’s tech lead and manager, you will break down larger projects into individual tasks, deliver them in multiple phases, and collaborate with others to ensure timely delivery of your work.
  • You will support your peers and stakeholders in the product development lifecycle by collaborating with product management, design & analytics by participating in ideation, articulating technical constraints, and partnering on decisions that properly consider risks and trade-offs.
  • You will support the operations and availability of your team’s artifacts by creating and monitoring metrics, escalating when needed, and supporting “keep the lights on” & on-call efforts.
  • You will contribute to a sense of community on your team by engaging in growth and development activities such as participation in the interview process.

What We Look For

  • You have a total of 2+ years of experience as a software engineer.
  • You have experience designing, developing and launching backend systems and are proficient in one of Python or Kotlin.
  • You are familiar with the building blocks of distributed systems, and technologies like AWS, MySQL and Kubernetes.
  • You write high quality code that is easily understood and used by others.
  • You are comfortable navigating a large code base, debugging others' code, and providing feedback to other engineers through code reviews.
  • You have mastered taking a simple problem or business scenario into a solution that interacts with multiple software components, and executing on it by writing clear, easily understood, well tested and extensible code.
  • Your experience demonstrates that you take ownership of your growth, proactively seeking feedback from your team, your manager, and your stakeholders.
  • You have strong verbal and written communication skills that support effective collaboration with our global engineering team.

Total rewards

We believe the people building honest financial products at Affirm should share in its success. That's why our total rewards are designed to support your health, growth, financial well-being, and future.

In service of our mission, we reward employees through a combination of base pay, equity (from parent company), and comprehensive benefits.

Base Pay Grade

259,000 zł - 379,000 zł

Base pay ranges and placement within those ranges are determined based on several factors, including role, experience, and job-related skills.

In addition to base pay, all employees in this role are eligible to receive equity from the parent company each year. This means as Affirm’s parent company grows, employees have the opportunity to share in that growth financially.

Affirm Holdings, Inc. Equity Grade

Equity grade: 3 (awarded in US Dollars)

New hire equity: $24,000 - $36,000 USD

Annual Refresh: $7,500

Affirm also provides flexible spending wallets to all employees for technology and wellbeing related needs, which are reimbursable up to 1390 zł per month.

In addition to your compensation, our comprehensive benefits are designed to support you and the people who matter most. Benefits include:

  • Competitive paid time off, paid public holidays, and additional paid Away Days to rest and recharge.
  • Comprehensive private healthcare through Lux Med's Platinum package.
  • A MultiSport card to support your health and well-being.
  • Learning and development programs to help you grow professionally.
  • Family healthcare support through Maven and parental leave support through Parentaly.
  • Mental well-being support through Lyra, including up to 12 confidential counseling or coaching sessions each year for you and your household members.
  • Financial well-being support through Northstar, with unlimited access to Certified Financial Advisors and planning tools at no cost to you.
  • Employee Resource Groups (ERGs) that foster connection and inclusion.
  • Eligibility for creative tax benefits, subject to applicable law, role, 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.**

#LI-Remote

Remote-first with flexibility built in
Affirm 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.

By clicking "Submit Application," you acknowledge that you have read Affirm's Global Candidate Privacy Notice and consent to the use of your personal information as described.

Standard company text repeated across Affirm's postings is omitted here.

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