Founder-engineer · Building EasyPDV · Brazil 🇧🇷
I build autonomous mini-markets — the kiosk, the cloud, and everything in between.
🇧🇷 Prefere português? Leia esta página em PT-BR
- 🏗️ Founder of EasyPDV — a complete platform for autonomous mini-markets, built full-stack: from the Kotlin POS running on the kiosk to the self-hosted infrastructure behind it
- 🧊 This profile is the tip of the iceberg: 4,500+ contributions in the last year, ~99% of them in private product repos
- 📚 Going deeper into Machine Learning & Data Science at Le Wagon · also engineering with Vupty
- 🤖 Personal rule: if I have to do it twice, I write a bot
- 🐙 Shipping on GitHub since 2013
EasyPDV — autonomous mini-markets, end to end
Self-service stores for condos and companies: smart checkout kiosk, cloud ERP, real-time stock, sales and revenue, PIX · card · NFC payments — no staff required. In production, sold as SaaS.
| Layer | What's live |
|---|---|
| 📱 Mobile | 4 Kotlin Android apps — POS, self-checkout touch (Sunmi terminals), operator & market apps |
| ⚙️ Backend | Java · Spring — modular APIs & microservices (gateway, auth, service discovery) |
| 🖥️ Web | TypeScript admin panels · Astro websites · client & developer docs |
| 🐍 Data & bots | Python crawlers — GTIN/product catalog enrichment, content & pricing automation |
| 🚀 Infra | Self-hosted CI/CD & registry — Docker · Harbor · Dokploy |
| 🔌 Hardware | Sunmi payment terminals · BLE electronic shelf tags · access control integration |
🔬 Uniolab
My studio & umbrella brand — where the products, automations and experiments live.
| Mobile | |
| Backend | |
| Web | |
| Data & ML | |
| Infra & Ops |
Also in daily rotation: Proxmox · Harbor · Dokploy · ELK — self-hosted by principle.
Every commit counts here — the calendar below includes my private product repos, where ~99% of the work happens. 🧊
- 🧠 Le Wagon — Data Science & AI: notebooks, models and challenges piling up (privately) in 2026
- 🎮 Dota 2 draft science — ML experiments on hero picks: dota2-counter-pick-helper · octarine-pick-helper
- 🕹️ Unreal Engine source tinkering
- 🏠 Homelab — Proxmox cluster, self-hosted everything, automated the rest
Running — or planning — an autonomous market? Let's talk: easypdv.com.br 🏪
For everything else: wagner@uniolab.com.br · LinkedIn · X @waguii
🇧🇷 Versão em Português · built with ☕ in Brazil