Own the backend systems that feed Affirm's consumer credit data to reporting agencies

Affirm is hiring a Senior Software Engineer for its Furnishing Platform team (Remote, Spain) to build the scalable systems and data pipelines that deliver accurate, timely consumer credit data to Consumer Reporting Agencies. The role spans architecture influence across teams, operational excellence, and mentoring, requiring 4+ years building large-scale distributed backend systems in Kotlin (Python a plus) on AWS/MySQL/Kubernetes.

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What this interview tests

Distributed backend system design at scale
Data pipeline reliability for regulated/compliance-sensitive data
Cross-team architectural influence and technical strategy
Operational excellence: monitoring, alerting, incident recovery
Mentoring and raising engineering standards
Kotlin/Python, AWS, MySQL, Kubernetes (Airflow/Spark a plus)

Common question themes

Design a system for delivering accurate, timely data to an external regulated party

Tell me about a time you shaped technical strategy across multiple teams

Walk through a production incident you owned during on-call and what changed after

How have you balanced short-term delivery pressure against long-term system scalability

Describe mentoring an engineer through a hard technical or design problem

How do you drive clarity when requirements are ambiguous and cross-functional

How candidates describe it

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