Lead engineer and one of three architects of Brain v2 — AI-powered $15M+ BI platform serving 800K+ consumers/month across 200+ businesses. Multi-tenant, multi-database, agentic. Designed hub-and-spoke architecture (7 services, 6 DBs): PostgreSQL master orchestrating K3s zones with per-tenant MongoDB + Weaviate + MemGraph. Built autonomous reasoning loop (Think → Tool → Observe → Loop) with dynamic tool registry and SSE streaming. Architected app marketplace (50+ apps) with AI-assisted builder — natural language to functional app via agentic code generation and sandboxed execution. 200+ data connectors with unified ingestion (backfill, webhook, polling). Tech: Python, FastAPI, NestJS, TypeScript, React, MongoDB, PostgreSQL, Weaviate, MemGraph, Terraform, K3s

Built data pipelines and ingestion infrastructure for the Brain platform, establishing the foundational data layer across MongoDB, PostgreSQL, and Weaviate. Tech: Python, MongoDB, PostgreSQL, Weaviate, n8n

Delivered fleet telemetry system generating R$120K revenue in month one, contributing to R$1M+ in contracts. Built emotional pattern recognition AI with voice analysis deployed in pharmacovigilance (iFood). Fine-tuned open-source LLMs (Llama 8B, Gemma 8B) for NLP/RAG workflows on SageMaker. Built full-stack apps and data lake integrations. Tech: Next.js, Supabase, BigQuery, Qdrant, PostgreSQL, S3, SageMaker, Neo4j

Evolved large-scale multi-seller marketplace (digital/physical products, recurring billing, affiliates, 30+ integrations) on Laravel Lumen 7.x, MySQL 8, Redis, Kafka, Azure Service Bus, Kubernetes (AKS). Mapped architecture across 150+ controllers, 217 services, 121 models, 642 migrations. Led frontend facelift, BFF layer, and Invoice Center QA with RBAC permissioning. Integrated 4 tax providers (NFe/NFSe), built async flows via Azure Service Bus (fanout pattern), and established observability with request tracing, PII redaction, and Datadog. Tech: PHP 7.4, Laravel Lumen, MySQL, Redis, Kafka, Azure Service Bus, Azure AKS, Datadog

Built security layer against code injection, complex fiscal form interfaces, and financial data visualizations that reinforced key commercial partnerships.

Independent consultancy delivering AI infrastructure and data engineering for clients in Brazil and the US. Key projects: smart hospital bed with autonomous patient monitoring (Unimed, Angular/Python/OpenCV/C++), sensitive data recognition and encryption system for LGPD-compliant legal documents (TJPR, Python/Tesseract/OCR)

Co-founded crypto startup that secured R$200K in investment from BNDESPAR. Developed smart contracts and redesigned visual identity. Company closed following the 2022 crypto market crash.