Italo S.
AI Systems Engineer | AI Agents | Python | n8n | Backend Automation
Most AI agents can answer questions. I build AI systems that take action ā they call APIs, process payments, route emails, and run reliably in production. Top Rated on Upwork Ā· 100% Job Success Ā· 240+ billed hours delivering backend and AI automation for international clients. WHAT I DELIVER āŖ AI agents with LangGraph and LangChain ā custom tools, memory management, and production-ready orchestration. āŖ Backend APIs in Python (Django, Django REST Framework, FastAPI) ā clean architecture, explicit data validation, and documentation. āŖ n8n automation workflows connecting LLMs (OpenAI, Claude / MCP) to your real business operations. āŖ Integrations: Mercado Pago, Stripe, Telegram, Discord, Slack, Gmail, Google Calendar, WhatsApp Business, and third-party APIs. āŖ Dockerized deployments with CI/CD ā predictable, low-maintenance infrastructure. RECENT PROJECTS āŖ AI-powered payment automation platform using Django, n8n, and Mercado Pago with intelligent webhook routing and subscription management. āŖ Multi-agent systems built with LangGraph and LangChain using custom tools, memory management, and production-ready orchestration. āŖ AI email triage using OpenAI with classification, confidence scoring, automated routing, and human fallback. āŖ Claude Skills connected to backend services through n8n webhooks, allowing AI to retrieve live business information and execute real actions. HOW I WORK Clear communication, realistic estimates, and code another engineer can maintain. Security is built in from the start: RBAC, input validation, and encrypted handling of sensitive data. Send me a message describing what you want to automate ā I'll reply with a concrete approach and an estimate.