Final-year computer engineering at UFC. Developer at Gocase / Gogroup. Fortaleza, Brazil.
I build AI agents, automations and forecasting models. Almost all of it ships to private company repos, so the graph below counts those too.
2025 ended with 99 contributions. The shape of that graph is me moving from coursework into production.
Gomoon — internal AI platform for Gogroup: MCP servers and LLM agents wired into the company's data and tools. My largest codebase this year. Private.
GoPilot — monthly sales forecasting for Gocase, by product line and SKU. XGBoost and LightGBM with walk-forward backtesting, benchmarked against the human baseline it replaces. Private.
pncp-licitacoes — a Cloudflare Worker watching Brazil's public procurement portal, filtering legal tenders and emailing a daily digest. Rewritten off n8n into typed code.
pncp-licitacoes — procurement monitor on Cloudflare Workers. TypeScript, Gmail API.
Receba — commissions, receivables and targets for sales reps across several companies. Next.js, Supabase, Prisma. Live.
gantt-project — project manager with a drag-and-drop Gantt chart and per-owner permissions. React, Node, PostgreSQL on AWS.
face_recognition_system — real-time multi-face recognition from scratch. MTCNN detection, FaceNet embeddings, webcam enrollment. Python, PyTorch.
VisualizadorDadosANS — pipeline over Brazilian health-agency open data: scraping and PDF parsing to PostgreSQL to dashboard. Python, Flask, Vue.
portal-postal-api — tracking API that logs into a carrier portal and returns shipment status by invoice. FastAPI, Selenium.
Academic work in TCC (predicting quality of life from wearable data), processos-estocasticos and 5GNetworkMobilitySim.
TypeScript, Python, SQL · Next.js, React, Vue, FastAPI · PostgreSQL, Supabase, Prisma · Docker, AWS, Cloudflare Workers · PyTorch, XGBoost, pandas · LLM agents, MCP, n8n
Weighted by bytes across the repos I actually commit to, private included: TypeScript 55%, Python and notebooks 34%.
Portfolio · LinkedIn · jvtavarese@gmail.com
The graph above is a hand-built SVG in assets/, regenerated daily by
a workflow. The off-the-shelf cards count only public
repositories, which would tell the wrong story here.