Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. The Consumer Authentication Engineering team provides a seamless account creation and access experience for Affirm customers, securing assets and loans through security and fraud levers. The team is responsible for account recovery and management, balancing a frictionless consumer experience with strong protections against account takeovers. The team seeks a highly motivated Backend engineer to work on architecture and product initiatives, building optimizations and improving conversion metrics.