JL

Hi, my name is

Julyemerson Leonizio.

I build things for the web.

I am a Front-End focused Developer with Full Stack experience, specializing in creating responsive, scalable, and high-performance web applications. I'm passionate about efficient solutions, best practices, and agile methodologies to deliver exceptional results.

01. About Me

Hello! I'm Julyemerson, a software developer based in Fortaleza, Ceará. My journey into web development started back in my technical course for the internet, and since 2020, I've been professionally crafting high-quality digital experiences.

My focus is on building efficient, scalable front-end systems, with a strong command of JavaScript, TypeScript, React, and Vue.js. I also have experience with back-end technologies like Node.js (NestJS), allowing me to contribute across the full stack.

I thrive on integrating diverse technologies, optimizing project performance, and working within agile teams to turn complex problems into elegant, user-friendly products. I'm always eager to learn and take on new challenges to drive processes forward and achieve outstanding outcomes.

Julyemerson Leonizio

02. Skills

Languages & Frameworks

JavaScript (ES6+) TypeScript React.js Vue.js Node.js NestJS HTML5 CSS3 TailwindCSS Kotlin Vuetify Nuxt.js

Tools & Methods

Git & GitHub REST APIs Jest Cypress Unit Testing E2E Testing Agile (Scrum/Kanban) Figma Responsive Design

03. Where I've Worked

Full Stack Developer

Freelance | Feb 2025 - Present

  • Developing an automation system for shrimp farm tanks.
  • Stack: React, React Native, Node.js (NestJS), and IoT.

Front-End Web Developer

Mundo Gamer Network | Jun 2022 - Jan 2024

  • Developed and maintained the company's admin platform.
  • Built interactive interfaces with Vue.js 2 and Vuetify.
  • Integrated with REST APIs for backend communication.

Front-End Developer

Myrp | Sep 2022 - Sep 2023

  • Developed pages and micro front-ends using Vue.js 2/3 and TypeScript.
  • Translated Figma layouts into responsive code.

Front-End Web Developer

COMEIA | Jan 2022 - Sep 2022

  • Built components and pages for a people management platform.
  • Implemented unit tests with Jest and E2E tests with Cypress.

04. Noteworthy Projects

Mobile POS System

Adapted a web-based Point of Sale (POS) system into a mobile version to facilitate sales and payments via card machines.

Vue.js 2 · Mobile-First

Real-time Metrics Dashboard

Developed a dashboard for real-time metric visualization and analysis, ensuring a fluid and intuitive user experience.

Vue.js 2 · TailwindCSS · Node.js · Express

Hospital Spell Checker

Created an orthographic corrector for a hospital's medical report sector, which eliminated the return of reports due to spelling errors.

Healthcare · Data Integrity

05. What's Next?

Get In Touch

I'm currently seeking new opportunities and my inbox is always open. Whether you have a question or just want to say hi, I'll do my best to get back to you!

Say Hello