Staff Backend Engineer, Observability Lead (Remote + Equity)

AFFIRM is seeking a Staff Software Engineer for Observability to lead a cross-functional team of six engineers. You will own the telemetry pipeline architecture, guide log sampling, and align with product and design teams to ensure reliable, scalable observability across thousands of services. You will mentor engineers, drive cross-team initiatives, and define long-term technical strategy while balancing performance, cost, and reliability in a remote-first environment.