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.

Work Experience

C

Criptonic & Co.
Remote

Dec 2024 - Present
Full Stack Developer
Development of full-stack web solutions using TypeScript, Node.js, and Python/Django, with a focus on client satisfaction and value delivery. Implementation of RESTful APIs, infrastructure management, and direct collaboration with stakeholders to translate business needs into effective technical solutions. Active participation in agile methodologies ensuring quality deliveries within established deadlines.
G

GAT Instrumentação Industrial
Freelance

Aug 2024 - Oct 2024
Full Stack Developer
Built a full-stack catalog platform with PostgreSQL, Next.js, and Tailwind CSS that improved visitor engagement by 30% and generated 15+ qualified B2B leads in the first two months.
A

Ativa Logística

Aug 2023 - Feb 2024
Operations Assistant
Coordinated logistics routines, documentation, and process controls in a high-demand environment, strengthening the organization and teamwork skills applied to engineering projects today.

Education

P

Programadores do Amanhã

2024 - 2025
Full-Stack Developer Program
C

Coodesh

2024 - 2025
Frontend JavaScript & React Assessments

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
Website
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
Documentation
Source
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
Documentation
Source
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
Website
Source
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
Source
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.
    Website
    Source
  • H

    Hack Food

    São Paulo, Brazil

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

LinkedIn
PT