Work by Renato Vieira
Case studies first: the problem, the approach and what was actually built. Then the smaller projects, most of them open on GitHub.
01Case studies
Automix
A car dealership, rebuilt as a digital product.
Next.js · TypeScript · React · Tailwind CSS · NestJS · Prisma · PostgreSQL · Redis · Docker
Castteli
A company website, engineered like the platform it will become.
Next.js · TypeScript · React · Tailwind CSS · Zod · Turborepo · Playwright · Vercel
PassNow
From the event page to the door, one ticket on the phone.
Next.js · TypeScript · React · Tailwind CSS · NestJS · Prisma · PostgreSQL · Zod · Capacitor · Docker
PC Control Center
A computer you can check on, and switch off, from a chat.
Electron · Node.js · JavaScript · Telegram Bot API · systemd · Bash · PowerShell
RoomFlow
Meeting rooms for a group of companies, every booking approved and on record.
Next.js · React · Tailwind CSS · Radix UI · NestJS · TypeScript · Prisma · PostgreSQL · Docker · Jest
PC Monitor
A local system monitor that shows where your programs are sending data.
Python · psutil · Rich · JavaScript · HTML · CSS · SVG
The Chef
A grill house in Manaus, from the first look to the order.
Next.js · React · TypeScript · Tailwind CSS · Vite · styled-components · Node.js · Express · Prisma · SQLite · Zod · JWT · Vercel
Solidarity List
Wish lists for people who need help, with the governance to trust them.
TypeScript · Next.js · React · NestJS · Prisma · PostgreSQL · Tailwind CSS · Zod · Playwright
Lar Batista
A children's home in Manaus, with its accounts in the open.
Next.js · TypeScript · React · Tailwind CSS · NestJS · Prisma · PostgreSQL · Express · Vite · Vercel
Candidate Search
A public record of any Brazilian candidate, with the official source behind every number.
Next.js · React · TypeScript · Tailwind CSS · SQLite · better-sqlite3 · React Flow · Python
Carter
A quiet, premium storefront with a real backend underneath.
Next.js · React · Tailwind CSS · Prisma · PostgreSQL · Vercel
Aura ID
Checking people in, in the time it takes to raise a phone.
React Native · Firebase · QR Code · Authentication
Operational Checklist
Paper checklists, turned into a process people can trust.
React Native · Expo Router · Firebase
02Records
03More projects
- PedemaisDelivery appTypeScript2026 (opens GitHub in a new tab)
- Material CustodyEquipment checkout and return, with historyFront-end · Internal system
- Digital MenuMenus for restaurants, read on the phoneReact · Next.js
- Big JhonBarbershop websiteHTML · CSS · JavaScript2025 (opens GitHub in a new tab)