01Rancho
Production2025
Grocery stores in Brazil have no delivery. No online orders. Nothing. This is the fix. Three apps in production, one market at a time.
Lucas Gulart
Founder · Builder · Engineer · Computer Scientist
I build complete products, not features. Idea to production, alone. Infra, backend, frontend, deploy. The proof is below.
Selected Work
02Alahubs
Live2023
Eight domains talking to each other in real-time. Habits, health, AI nutrition. All wired together and processing payments through two gateways as one.
Live2024
Miss a streetwear drop and it's gone. This catches every deal across 20+ stores in under 2 seconds.
Skills
Languages
TypeScript, Python, C/C++, SQL/TSQL, Shell
Backend
Node.js, NestJS, .NET, REST, Event-Driven
Databases
PostgreSQL, SQL Server, Redis, Elasticsearch
Frontend
React, Next.js, Expo, Tailwind
DevOps
Docker, AWS, Linux, K8s, CI/CD
AI & More
LLMs, MCP, Embeddings, IoT, Marketing
PIP-BOY 3000
Live Biometric Dashboard
In Fallout, every character has a Pip-Boy that shows their vitals in real-time. I built one for myself. Real heart rate, real sleep data, real body composition, streaming from my wearable to a public dashboard. Not a concept. Not a mockup. Actual live data.
→ Open dashboard