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SYSTEM.KERNEL :: v2026.5 ONLINE

Hi, I'mDavid Botelho

<Fullstack/>Engineering Beyond Boundaries.

Specialized in full stack web development, scalable APIs and modern experiences with React, Next.js and Node.js.

Check out my GitHub

View Projects

LOADED_MODULES:ReactNext.jsNode.jsTypeScriptJavaSpring

portfolio.tsx

1// Welcome to my workspace

2import { Developer } from './universe';

4const Portfolio = () ⇒ {

5return (

6<Developer

7name="David Botelho"

8role="Fullstack Engineer"

9passion="Engineering Beyond Boundaries"

10/>

11);

12};

// ABOUT_ME

About Me

Turning ideas into digital solutions.

online

David Botelho

La Rioja, Argentina

@DavidBotelhoo

Full Stack Developer with professional experience in web application development using React, Next.js and Node.js (AdonisJS and Express). Specialist in end-to-end feature implementation — API, interface and database — using JavaScript and TypeScript.

I have solid knowledge in SQL integration, Docker and agile methodologies, with focus on delivering scalable, high-quality solutions.

Available for new projects

Years of Experience

20+

Projects Delivered

Languages

15+

Technologies

Languages

PortugueseNative

SpanishFluent

EnglishIntermediate

// TIMELINE

Professional Experience

Timeline of my development journey.

Sep/2025 — Present

Fullstack Developer

Corelab

Web application development using React and Next.js on the front-end. Building and maintaining APIs with Node.js (AdonisJS and Express). End-to-end feature implementation with JavaScript and TypeScript, following best practices in architecture and performance.

ReactNext.jsNode.jsAdonisJSExpressTypeScript

Jun/2019 — Oct/2021

IT Assistant

Gráfica D&D

Technical support for local network and computer maintenance. Spreadsheet automation and internal process improvements. Backups and production file organization.

SupportNetworkingAutomation

// TECH_STACK

Technologies & Tools

The technologies I use to build digital products.

Languages

Java

JavaScript

TypeScript

Front-end

React

Next.js

TailwindCSS

HTML5

CSS3

Back-end

Node.js

Express

AdonisJS

Spring Boot

Database

PostgreSQL

MySQL

Tools

Docker

Git

GitHub

// EDUCATION

Academic Background

Continuous education and certifications.

Bachelor's

Feb/2025 — 2030

Ongoing

Bachelor's in Information Systems Engineering

Universidad Nacional de La Rioja (UNLaR)

Technical

2024

Completed

Diploma in Fullstack Development

Universidad Nacional de La Rioja (UNLaR)

Fullstack development with JavaScript, TypeScript, Next.js, React, Node.js, Express and PostgreSQL.

Certifications

Spring Boot: Productivity in Java Development
Alura
2025
Java Web with Spring Boot
Alura
2025
Object-Oriented Java Training
Alura
2024
Responsive HTML and CSS
Alura
2024

// RECENT_PROJECTS

Featured Projects

A selection of projects that showcase my development approach.

Order Management

Order management module with a lifecycle modeled as a state machine. AdonisJS v6 + Lucid API, Next.js front-end, optimistic concurrency control and automated tests with Japa.

Next.jsAdonisJSPostgreSQLTypeScriptDocker

Markov Pac-Man

A recreation of the classic Pac-Man where ghost movement is modeled with Markov Chains. Retro 8-bit arcade aesthetic, keyboard and touch controls, fully responsive.

Next.jsTypeScriptTailwindReact

Gráfica D&D — Landing Page

Institutional landing page for Gráfica D&D, featuring the brand's visual identity, services gallery and contact section. Built with Next.js 14, Tailwind CSS and TypeScript.

Next.jsTypeScriptTailwind

Hospital Management API

REST API for hospital management with doctors, patients, specialties and appointment scheduling. JWT authentication, Spring Security and OpenAPI documentation.

JavaSpring BootPostgreSQLJWT

// SERVICES