Staff Backend Engineer - Cost Intelligence & FinOps

Affirm, Inc. seeks a Staff Cost Engineer to lead cost governance across a multi-cloud and multi-AI-vendor footprint. You will drive tooling and automation to turn spend questions into durable, self-service systems, working at the intersection of finance, infra and data engineering.

You will set the technical direction, influence cost strategy with leaders, and own the team’s operations, monitoring, and reliability while delivering scalable cost-savings insights.