The Cari Network is building a blockchain-based payment system with real-time, 24/7 movement of digital money. We are seeking a Senior Software Engineer - Backend to own core transaction processing platform infrastructure, governing concurrency, data models, and production readiness. You will define what production-ready means, write RFCs, and lead incident response with cross-team engineers. Idóneo candidates have 5-7 years in backend, strong TypeScript skills, experience with durable workflows