Available

Caio Apolônio

Web Developer

I’m a Front-end Developer with hands-on experience building scalable web applications, browser extensions, and blockchain solutions. Skilled in modern frameworks and libraries such as React, Next.js, Svelte, and TypeScript, I enjoy creating user-focused features and improving overall UX.

My background includes contributions to crypto wallets, blockchain explorers, and payment solutions, as well as website development and system automation projects. Recently, I completed a degree in Software Analysis and Development at UNIFOR (2022 – 2024).

Caio Apolônio picture

My Skills

Front-end

TypeScript

React

Next.js

Svelte

Back-end

Express.js

Spring Boot

MySQL

PostgreSQL

Experience & Education

Work History

Front-end Developer

Klever – Crypto Wallet & EcosystemJun 2024 — Present

React Next.js Svelte TypeScript JavaScript
  • Developed and optimized KleverScan, a blockchain explorer built with Next.js, focusing on high-performance UI components.
  • Contributed to the Klever Wallet Chrome extension (+6,000 downloads) by implementing new features and enhancing UX with React.
  • Currently engineering Svelte-based WebViews for mobile integration, including Buy Crypto and Payments (Pix), ensuring seamless crypto-to-fiat transactions and financial flows.

Front-end Intern

NYX – Network for Young XplorerFeb 2024 — Jun 2024

HTML CSS JavaScript
  • Developed and maintained responsive web interfaces using HTML, CSS, and JavaScript. Collaborated on project-based tasks to improve website layouts, resolve UI inconsistencies, and ensure cross-browser compatibility.
  • Focused on delivering clean, efficient code and improving user navigation.

Education

Software Analysis and Development

UNIFORAug 2022 — Dec 2024

Fortaleza - CE

Full Stack Developer

Digital CollegeApr 2022 — Mar 2023

Fortaleza - CE

  • One-year on-site course covering front-end, back-end, and DevOps practices.
  • Hands-on experience with React, Node.js, Express.js, and databases.

My Projects

Preview of Magic Background Remover

Magic Background Remover

A simple React + TailwindCSS web application that removes image backgrounds using the @imgly/background-removal library.

ReactTailwindCSSTypeScript
Preview of Tic Tac Toe

Tic Tac Toe

A sleek React + TailwindCSS implementation of the classic Tic Tac Toe game.

ReactTailwindCSSJavaScript
Preview of Coming Soon

Coming Soon

Stay tuned for my next project!

Get in Touch

Whether you have an opportunity, a project idea, or just want to say hi.
I’d love to connect! You can reach me directly by email or through my social profiles below.