Senior Python Backend Engineer

AI for MakersWe're Makers. In 2025, we set out to build something most teams only talk about. We embedded AI so deeply into our development workflows that we were over 10x more productive. Being on the bleeding edge isn't a strategy here. We hack on AI tools because we can't help it. It's how we're wired. We don't talk about the future of engineering. We're living it.  LogisticsThis is a fully remote based role, however candidates must be located in Argentina or Brazil. Note: this is a long-term Independent Contractor position. Please submit your resume in English. Our tools & stack- Python, MySQL, AWS- Claude, Codex, Cursor, Copilot, LangChain, LangGraph, LangFuse, OpenRouter, FastMCP What you'll do- Push production AI agents into the platform's most complex flows. Build the MCP servers that orchestrate them: tool layer, context handling, model routing through OpenRouter - Build the integration layer that powers the platform and the AI agents on top of it: identity, e-signature, real time data services. Every call has a user or an agent on the other end - Build the rules engines, configuration runtime, and AI Copilots that turn the platform into a product factory. Customers ship entirely new products without us touching the code - Bring whole companies onto the platform: importer pipelines, schema mapping, hard go-live dates. Every customer's data shape is different. Every cutover has a deadline that doesn't move - Engineer the multi-tenant infrastructure companies run on.