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).

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 & Ecosystem • Jun 2024 — Present
- 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 Xplorer • Feb 2024 — Jun 2024
- 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
UNIFOR • Aug 2022 — Dec 2024
Fortaleza - CE
Full Stack Developer
Digital College • Apr 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

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

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

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.