Responsibilities
- Design and implement real-time fraud decisioning services and APIs in Python or Kotlin for markets beyond the US.
- Build platform and tooling that make launching fraud decisioning in new countries repeatable and low-friction.
- Integrate regional fraud and risk vendors and help operationalize machine learning and AI signals for real-time decisioning.
- Own and deliver quarterly team goals while leading engineers through ambiguous, open-ended problems.
- Collaborate with Product, Machine Learning, Analytics, Fraud Strategy, Compliance, and Fraud Operations stakeholders.
- Create and monitor system metrics, escalate issues, and contribute to operational, maintenance, and on-call efforts.
- Improve code review and design standards, mentor teammates, and promote a culture of quality and ownership.
Requirements
- At least five years of experience building backend systems at scale using Python or Kotlin.
- Experience with distributed systems and infrastructure using AWS, MySQL or PostgreSQL, and Kubernetes.
- Strong system design skills and a track record of delivering maintainable and extensible services.
- Fluency with AI-driven engineering, including directing, reviewing, and taking ownership of AI-assisted code.
- Proficiency in SQL and experience working in data-rich environments.
- Familiarity with CI/CD practices and safe production deployments.
- Strong written and verbal communication skills for distributed-team collaboration.
- Experience with Snowflake, dbt, Airflow, or Chronosphere is preferred.
- Background in fraud prevention, risk systems, or real-time decisioning is preferred.
- Experience building for multiple markets or regions, including internationalization or localization, is preferred.
- Experience in fintech or other highly regulated environments and understanding of risk, compliance, and operational constraints is preferred.
Benefits
- Fully remote role based in Poland, with flexibility to work anywhere within the country of employment.
- Health care coverage with premiums covered for employees and dependents, including medical, dental, and vision.
- Flexible Spending Wallets for technology, food, lifestyle, and family-forming expenses.
- Wellness days, competitive vacation and holiday schedules, parental benefits, and learning and development programs.
- Employee Resource and Community Groups and an employee stock purchase plan.
- Creative tax benefits may be available subject to applicable law and company policy.
Tech Stack
About Affirm
At Affirm, we’re using today’s technology to bring significant disruptive innovation to the financial industry. We focus on improving the lives of consumers by delivering simple, honest and transparent financial products. We have roles across a variety of teams, including engineering, product, finance, operations, revenue, marketing, people and more. A note to applicants: Fake job and recruiting scams are on the rise. Affirm will never ask you to pay any upfront fees or send you any checks to purchase equipment during any part of the recruiting process. Affirm only uses legitimate company email address domains (either “@affirm.com” or "@us.greenhouse-mail.io”) to communicate with candidates via email. Affirm is also proud to be a remote-first company! Attracting great people starts by finding talent in different places. That's why we built remote work into the DNA of how we do business—but if an office space is more your style, we have offices in Chicago, New York City, Pittsburgh, San Francisco, Seattle, Toronto, Warsaw, Madrid and London. Not to mention we have comprehensive and award-winning benefits that were made for you. Interested in learning more? Check out our careers page and apply today! Visit affirm.com/careers for more information.