AgileEngine in Colombia is seeking a Senior Software Engineer to own offline-first data synchronization for a general POS platform, spanning device, restaurant edge, and cloud backend. You will implement CRDT-based conflict resolution using Automerge or Ditto, apply event sourcing, CQRS, and saga patterns, and model the PostgreSQL cloud data layer against local and edge stores. Proficiency in React Native, TypeScript, Node.js and distributed-systems fundamentals is required.