Hi, I'm Jonh 👋
Full Stack Developer focused on TypeScript, Next.js, and Node.js. I create scalable web platforms.
JA

About

Full stack developer specialized in the Next.js/TypeScript ecosystem with productivity peaks of 150+ coding hours in five weeks. Today I ship full-stack solutions at Criptonic & Co. and recently completed the Programadores do Amanhã full-stack training.

Skills

TypeScript
Next.js
React
Node.js
NestJS
Python
Express
PostgreSQL
MongoDB
Prisma
Tailwind CSS
Docker
Jest
GitHub Copilot
My Projects

Check out my latest work

I've worked on a variety of projects, from simple websites to complex web applications. Here are a few of my favorites.

Multify

Multify

Creator-focused growth platform that centralizes multi-channel performance insights and automates outreach playbooks for small businesses.

Next.js
TypeScript
PostgreSQL
Tailwind CSS
Stripe
Docker Pilot

Docker Pilot

CLI and API toolkit that accelerates Docker Compose workflows with environment scaffolds, health checks, and project automation.

Node.js
TypeScript
Docker
Commander
Inquirer
Energy Manager IoT

Energy Manager IoT

Node.js library that simplifies telemetry ingestion and automation for IoT devices through MQTT, including usage analytics dashboards.

Node.js
TypeScript
MQTT
Jest
FortressGuard

FortressGuard

Security assistant that evaluates password strength, generates secrets, and encrypts data with a real-time dashboard for end users.

Next.js
Node.js
Tailwind CSS
Framer Motion
Template (i18n)

Template (i18n)

Ready-to-use Next.js template with next-intl and best practices for translating dashboards, landing pages, and SaaS products.

Next.js
TypeScript
next-intl
Tailwind CSS
Hackathons

I like building things

During my time in university, I attended 3+ hackathons. People from around the country would come together to build incredible things. It was eye-opening to see the endless possibilities brought to life by a group of motivated and passionate individuals.

  • H

    Hackathon Interno PdA

    São Paulo, Brazil

    Developed a TypeScript automation tool for student services in a 24-hour sprint with Programadores do Amanhã fellows.
  • D

    Data Control

    São Paulo, Brazil

    Built a CRUD application with CSV export functionality for managing basic user data including name, age, and email with a practical interface.
  • H

    Hack Food

    São Paulo, Brazil

    Collaborated on a team project to combat food waste through a web platform with authentication and database integration.
Contact

Get in Touch

Want to chat? Just shoot me a DM with a direct question on twitter and I'll respond whenever I can. I will ignore all soliciting.