Billing Systems Developer (Php / Go)

Billing Systems DeveloperWe're seeking a Billing Systems Developer to build and scale the financial systems that power Command|Link's platform.This role sits at the intersection of engineering, finance, and data, ensuring billing is accurate, resilient, and fully auditable across a global customer base.Key ResponsibilitiesDesign and develop scalable billing systems (invoicing, usage-based billing, credits, taxes, proration)Build and maintain ledger-based financial systems with full auditabilityIntegrate with payment gateways (Stripe, ACH, etc.)Ensure idempotent processing to prevent duplication and inconsistenciesDevelop reconciliation workflows to detect and resolve discrepanciesArchitect resilient systems with retry, rollback, and recovery mechanismsOptimize and manage large financial datasets, including historical dataBuild and maintain APIs for billing servicesDebug complex production data issues and support safe data migrationsPartner with finance, product, and engineering team...