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Affirm

Senior Software Engineer (Decisions and Pricing EU)

Job Summary

This role involves owning and delivering backend systems at scale, collaborating with product management, design, and analytics. The candidate should have experience in building highly available distributed systems using technologies such as AWS, Kubernetes, and MySQL. Responsibilities include designing APIs, data models, and improving platform performance and scalability. The position requires strong coding skills in Python and Java/Kotlin, technical planning, leadership, and effective communication. The role is fully remote within Poland and offers a comprehensive benefits package including health coverage, wellness days, and stock options.

Required Skills

Cloud Infrastructure
Team Leadership
Python
APIs
Microservices
AWS
Stakeholder Collaboration
Distributed Systems
System Design
Backend Development
Object-Oriented Programming
Kubernetes
MySQL
Technical Planning
Code Review
Event-Driven Architecture
Data Models
Batch Jobs
Java/Kotlin

Benefits

Health Insurance
Parental Leave
Dental Insurance
Vision Insurance
Employee Stock Purchase Plan
Flexible Spending Accounts
Wellness Days
Equity Rewards
Time Off
Learning & Development
Employee Resource & Community Groups

Job Description

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.

Decisions and Pricing's mission is to deliver the best credit decisions for Affirm consumers while maintaining positive unit economics and being the highest converting and most competitive payment solution for our merchant partners. The decisioning system and ML models our team owns and operates help us realize our mission for millions of consumers and merchant partners.

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 "keeps 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 standard 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

  • Be hands on. Build APIs and data models to work within micro-service and event-driven architectures. Create parallelizable and idempotent batch jobs to process large amounts of data.

  • Improve the current platform's extensibility, performance and usability to support rapid global deployment, scaling and expansion.

What We Look For

  • You have 4+ years of experience designing, developing and launching backend systems at scale using languages like Python and Kotlin/Java

  • You have a track record of developing highly available distributed systems using technologies like AWS, MySQL and Kubernetes
  • Proficiency in object-oriented and dynamically typed languages.

  • Ability to synthesize complex business, product, and technical requirements to consistently produce high quality system designs and software

  • Prior experience architecting, building, launching and maintaining complex systems

  • 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 written and verbal communication skills that support effective collaboration with our global engineering team.

Compensation & Benefits

Base Pay Grade - N

Equity Grade - 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 leave
  • 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.**

#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 Affirm's Global Candidate Privacy Notice and hereby freely and unambiguously give informed consent to the collection, processing, use, and storage of your personal information as described therein.

Interested in this job?

Application deadline: Open until filled

Logo of Affirm

Affirm

With Affirm, you can pay over time at your favorite brands. No late fees or compounding interest—just a more responsible way to say yes to the things you love.

See more jobs
Date PostedMay 15th, 2025
Job TypeContract
LocationRemote Poland
SalaryCompetitive rates
Exciting remote opportunity (requires residency in Poland) for a Senior Software Engineer (Decisions and Pricing EU) at Affirm. Offering competitive salary (contract). Explore more remote jobs on FlexHired!

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