Staff Software Engineer, Backend (Ledger Engineering)

Summary

Staff Software Engineer leading the Ledger Engineering team's technical strategy and backend systems for Affirm's financial platform. You will design and scale audit-grade ledger systems using Python/Kotlin, AWS, MySQL, and Kubernetes, ensuring fault tolerance and precise accounting accuracy for a publicly-traded fintech company. The role requires 8+ years of backend systems experience, deep expertise in distributed systems and financial domain knowledge (ledgering, treasury), and the ability to set technical direction, drive cross-functional collaboration, and lead engineering teams through major system initiatives.