Senior Software Engineer, Backend (Financial Platforms)

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 the pioneering Servicing International team at the forefront of affirm’s global expansion, building the foundational platform to launch our products into a new generation of international markets.

This role will focus specifically on purchase protection, including disputes and refunds—a critical part of the user journey and an area of significant investment—to ensure trust and satisfaction for our newest customers.

Success requires deep collaboration, and you will partner closely with European engineering counterparts and engineers across our global Servicing Engineering organization to build cohesive, scalable solutions.

If you are passionate about creating world‑class user experiences and excited by the challenge of launching products in new regions, join us.

Help build the next generation of affirm’s platform and define our presence around the world.

• What You’ll Do
• You will be responsible for owning and delivering quarterly goals for your team, leading engineers on your team through ambiguity to solve open‑ended problems, and ensuring that everyone is supported throughout delivery.
• 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 proactively identify project, process, technology or business issues, advocate for them, and lead in solving them.
• 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 foster a culture of quality and ownership on your team by setting or improving code review and design standards for your team, and advocating for them beyond your team through your writing and tech talks.
• You will help develop talent on your team by providing feedback and guidance, and leading by example.
• What We Look For
• You have a total of 4+ years of experience as a software engineer.
• You are experienced in designing, developing and launching backend systems at scale technologies like Python, Kotlin, AWS, My SQL, and Kubernetes.
• You have experience shipping web apps using declarative UI frameworks like React or Vue.
• You have experience defining a technical plan for the delivery of a significant feature or system component with an elegant, simple and extensible design.

You write high quality code that is easily understood and used by others.

• You are proficient at making significant changes in a large code base, and have developed a suite of tools and practices that enable you and your team to do so safely.
• 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.

Compensation and Benefits

• Base Pay Grade
• N
• Equity Grade
• Poland 4

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).

POL base pay range per year: 301,000 zł – 401,000 zł

Additional benefits include

• Type of employment: Contract of Employment
• Flexible Spending Wallets for tech, food and lifestyle
• Away Days – wellness days to take off work and recharge
• Learning & Development programs
• Parental benefits
• Employee Resource & Community Groups
• 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
• Location – Remote Poland

We believe it’s on us to provide an inclusive interview experience for all, including people with disabilities.

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