Tech Stack

Description

You will design and implement backend services and APIs using Python or Kotlin within Affirm's microservice and event-driven architecture. You'll collaborate cross-functionally with stakeholders in Fraud Ops, Compliance, Product, Machine Learning, and Analytics to build scalable fraud tooling and infrastructure. Your work will protect Affirm, its buyers, and merchants while supporting business growth.

Requirements

• 5+ years building backend systems at scale using Python or Kotlin
• Experience with distributed systems using AWS, MySQL/PostgreSQL, and Kubernetes
• Strong system design skills and track record of delivering maintainable services
• Proficiency in SQL and working with data-rich environments
• Familiarity with CI/CD practices and safe production deployments

Responsibilities

• Own and deliver quarterly goals for your team, leading engineers through ambiguity
• Design and implement backend services and APIs using Python or Kotlin
• Shape the team's roadmap, collaborate on technical design, and drive execution across multi-team projects
• Elevate quality standards, evolve engineering processes, and represent the team in cross-functional initiatives
• Foster culture of ownership, inclusion, and craftsmanship by mentoring and upholding high standards