I build things that work — backends, mobile apps, ML pipelines, and the infrastructure they run on. Usually from scratch.
Based in Curitiba, Brazil. Self-taught, currently in my 8th semester of Systems Analysis & Development.
Systems I built that are running right now:
| Project | What it does | Stack |
|---|---|---|
| epi_system | EPI management with NR-6/eSocial compliance, signed PDF generation | Python (stdlib) |
| cnn-ml | Image classification API — EfficientNetV2, GradCAM, ONNX export | Python, PyTorch, FastAPI |
| desc-hub | Supplier PDF → standardized DUIMP/Siscomex product descriptions | Python, FastAPI |
| magnum-site | PWA with fuzzy search, Schema.org, LGPD-compliant, top 3 on Google | HTML/CSS/JS |
| Automacao_SSPlus | RPA automation for NF-e entry in legacy ERP | Python, pywinauto |
| software | Transmission shop management — REST API + cross-platform mobile app | Go, Flutter |
| Project | What it is | Stack |
|---|---|---|
| tradencio | LLM-driven paper-trading lab with adversarial analyst/reviewer architecture | Python, DuckDB |
| ia-com-docs-da-cab | RAG assistant — hybrid dense+BM25 search with RRF fusion and cross-encoder rerank | Python, LanceDB |
| baray | Serigrafia ERP with production scheduling and billing | Dart, Flutter |
| canva | Infinite canvas for software architecture diagrams | React 19, Vite |
| sincronizador | Secure Windows→Linux file sync via Cloudflare Tunnel | Python |
- plastic-labs/honcho#869 — security fix: Redis credentials leaking in log output
Python · Go · Dart · JavaScript · TypeScript · Kotlin · GDScript
FastAPI · Gin · Flutter · React · React Native · Jetpack Compose
PostgreSQL · SQLite · DuckDB · LanceDB
PyTorch · ONNX · RAG (hybrid search, cross-encoder rerank)
Linux · pfSense · Docker · Cloudflare Tunnel · systemd
Sankhya ERP API · pywinauto RPA · NR-6/eSocial · DUIMP/Siscomex
Site: lbwma.com