Senior Software Engineer Backend

The Debit+ Risk Engineering team is looking for a passionate Senior Software Engineer to help build the tools and systems that we use to manage credit, fraud, and compliance risk. Debit+ is Affirm newest financial product that marries the functionality of a debit card with access to Affirm's buy now pay later financing options. Our ability to effectively manage Debit+’s exposure to risk is critical to our ability to reach new customers and improve financial lives. We work closely with credit and fraud analysts, data science, product, and a wide range of engineering teams to both leverage existing systems and build new systems.

This role requires a high level of technical capability, strong cross functional communication, and a creative mindset. Our work needs to be correct, scalable, and extensible. Our job is to outwit, outrun and defeat those who either intentionally or unintentionally misuse our product.

Affirm is experiencing explosive growth with millions of customers across thousands of merchants in-store and online, and your contributions will be a key enabler of that growth. 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

Drive planning and prioritization of projects based on product, technical, and business goals by leveraging relevant resources and data. 

Work cross functionally with colleagues in Machine Learning, Product, and Analytics teams to set and execute our risk mitigation strategy for the Debit card

Build APIs and data models to work within micro-service and event-driven architectures

Take an active role in mentoring junior engineers, and the 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 communication skills, both written and verbal.  Must be proficient in asynchronous mode of communication–written tech specs, wiki, project plans, etc.

Excellent project management skills–high degree of organization and ability to surface critical information effectively.

Work with our Product team to extend our core decisioning service; building new risk and fraud mitigation features

Passion for working with multi-functional teams including Product, Design, Analytics and Business teams.

Python/Kotlin development experience is a plus.

Experience with AWS and/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 - 24,247  PLN

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



Location - Remote Poland



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

Key Skills

• AWS
• Senior