Infracost is looking for a Senior Software Engineer to help solve challenging problems at scale. The role requires solid experience with statically typed languages, particularly Golang for core parsing functionality. Knowledge of Node.js and TypeScript is essential as our APIs and business logic rely heavily on them. Experience in building and maintaining complex systems, solving integration, performance, and scalability challenges is required. Familiarity with Terraform, Kubernetes, and AWS is preferred. Recent challenges include refactoring our Terraform HCL evaluator, mapping Terraform resources accurately, and scaling our APIs to support large customers.