Mateo Negri Ocampo

BircleAI

• Lead an AI orchestration platform powering conversational agents for financial workflows.
• Improved tool reliability by ~40% and reduced hallucinations by ~40% through modular LangGraph and self-hosted Langflow architecture.
• Built an internal Prompt Graph Builder that cut configuration errors by ~50% and increased iteration speed by ~40%.
• Implemented OpenTelemetry tracing and token observability to lower LLM cost per conversation by ~30%.

BircleAI

• Migrated orchestration from LlamaIndex pipelines to LangGraph and self-hosted Langflow, reducing response latency by ~50%.
• Built event-driven Python backend services with Redis and AWS SQS for horizontally scalable AI workloads.
• Developed structured tool-calling pipelines for conversational AI agents in automated financial interactions.
• Improved response consistency by designing prompt and context engineering strategies for production AI agents.

Chat-based finance assistant for Spanish-speaking users across WhatsApp and Telegram.

• Built automatic expense tracking integrations with Google Sheets and Gmail for credit and debit card activity.
• Implemented multi-agent conversational workflows with LangGraph and LLM-based expense extraction.
• Designed scalable backend services with Supabase, PostgreSQL, and event-driven transaction ingestion.

Mobile platform aggregating urban events with personalized recommendation algorithms.

• Built a cross-platform app using React Native and Expo.
• Implemented backend services in Go and Python.
• Designed microservices architecture across Users, Events, Social, and Search domains.