Description
Codex is hiring a Software Engineer to own financial partner integrations and the automation layer for trading and treasury operations. The role covers API and webhook design, reconciliation, payment-rail integrations, operational automation, liquidity routing, risk controls, and secure, durable money-movement systems. It requires 6 to 10 years of backend engineering experience in cross-border payments, stablecoins, FX infrastructure, or crypto custody, along with production experience across crypto and fiat rails, durable workflow orchestration, TypeScript/Node, Postgres, and third-party API integration.
