Senior Backend Engineer - Remote, Equity & Flexible PTO

Affirm, Inc. is seeking a senior Identity Engineering leader to own and deliver backend systems at scale. You will design high-availability services in Python or Kotlin, and guide teams through ambiguous challenges while collaborating with product, design and analytics across the stack. You will drive operations, code quality, and talent development, ensuring robust, low-latency services on critical paths for all products. Remote-first, flexible work is available across the United States.