Hi, I'm Carlos

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About me

Aracaju-SE, Brazil

I work as a Front-end Developer, focused on building modern, responsive, and well-structured web interfaces. My main stack is React, with experience across its ecosystem, including Next.js. I have worked with Vite as a build and development tool, as well as on Micro Frontends (MFE) architectures, aimed at modularity and scalability.

I am familiar with AstroJS, which was used in the development of this portfolio, exploring a performance-focused and content-driven approach.

On the back-end, I have basic knowledge of Node.js and Express, with experience building REST APIs and implementing CRUD operations. I have also worked with Headless CMS solutions, using Strapi (open source) and WordPress in headless mode, integrating them with modern front-end applications.

I have knowledge of prototyping, contributing to better alignment between design and development.

I strive for constant growth as a developer, focusing on best practices, performance, and code quality.

About me

Aracaju-SE, Brazil

I work as a Front-end Developer, focused on building modern, responsive, and well-structured web interfaces. My main stack is React, with experience across its ecosystem, including Next.js. I have worked with Vite as a build and development tool, as well as on Micro Frontends (MFE) architectures, aimed at modularity and scalability.

I am familiar with AstroJS, which was used in the development of this portfolio, exploring a performance-focused and content-driven approach.

On the back-end, I have basic knowledge of Node.js and Express, with experience building REST APIs and implementing CRUD operations. I have also worked with Headless CMS solutions, using Strapi (open source) and WordPress in headless mode, integrating them with modern front-end applications.

I have knowledge of prototyping, contributing to better alignment between design and development.

I strive for constant growth as a developer, focusing on best practices, performance, and code quality.

Also known as

Skittz.

I work as Front-End Developer.
Online
Hit me up at Linkedin.

Selected work / 01

Inside my personal projects.

A brand with a playable origin story, a finance product, real-time conversations, and files shared between browsers.

03Social network · Real time
Project visual

Cats

A social app for cat photos with an infinite feed, live chat, and in-browser cat detection.

  • React
  • Vite
  • WordPress Headless
  • Socket.io
  • TensorFlow.js
  • PWA
04Files · WebRTC
Demo image

Passai

Private rooms for sending files directly between browsers without storing them on the server.

  • React
  • WebRTC
  • Connect RPC

Other projects

Quertc

A browser chat app with rooms and messages delivered in real time.

Professional experience / 02

Professional experience.

From direct client work to products built with a team. Each role expanded the scope of my work.

  1. Nov 2024 — present

    Mid-level Front-end Developer

    WeFit

    Remote · São Paulo, Brazil

    Work on banking, insurance, and healthcare products, bringing design systems defined by the UX/UI team into more than eight applications.

    • Component libraries and Storybook documentation to keep interfaces consistent.
    • A Playwright E2E suite integrated with the client to cover critical flows.
    • Diagnosing CI/CD pipeline failures to keep integration stable.

    React · Next.js · TypeScript · Playwright · Storybook

  2. Oct 2023 — Oct 2024

    Junior Full-stack Developer

    SergipeTec

    On-site · Aracaju, Brazil

    Built an institutional portal with file management and JWT authentication, from front-end to local infrastructure.

    • Migrated and validated legacy records, eliminating roughly 50 hours of manual work.
    • A Docker environment and C4 architecture documentation to support continued development.
    Outcome200+legacy records migrated

    Next.js · React · Node.js · Strapi · PostgreSQL · Docker

  3. Jan 2023 — Sep 2023

    Freelance Front-end Developer

    Self-employed

    Remote · Brazil

    Built landing pages for law firms and consultancies, from requirements gathering through delivery.

    • Pages with attention to UX, accessibility, SEO, and performance.
    • Direct client communication to turn business goals into usable pages.
    Outcome10+projects delivered to clients

    React · JavaScript · HTML · CSS · Figma

~/portfolio
~/portfolio/projects

Projects / 07

Inside my personal projects.

A brand with a playable origin story, a finance product, real-time conversations, and files shared between browsers.

01Streetwear showcase · Front-end

Fates

A streetwear showcase for the fictional Fates brand, with a catalog, simulated orders, and a mini-game about its origins.

  • Next.js
  • React
  • TypeScript
  • Clean Architecture
  • Vitest
  • Cypress
02Finance · Full stack · MCP

Athow

A personal finance MVP that turns bank statements into a clear view of spending, limits, and goals.

  • Next.js
  • React
  • FastAPI
  • PostgreSQL
  • OAuth
  • MCP
03Social network · Real time

Cats

A social app for cat photos with an infinite feed, live chat, and in-browser cat detection.

  • React
  • Vite
  • WordPress Headless
  • Socket.io
  • TensorFlow.js
  • PWA
04Files · WebRTC

Passai

Private rooms for sending files directly between browsers without storing them on the server.

  • React
  • WebRTC
  • Connect RPC
06Chat · Real time

Quertc

A browser chat app with rooms and messages delivered in real time.

  • Next.js
  • React
  • Socket.io
  • Clerk
  • MongoDB