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Carlos Ferrer's Home Page

~ Welcome to my World Wide Web home page! ~

Hello, Internet!

I'm Carlos Ferrer.

Software Engineer, Founder & CEO. I turn ideas into software.

I work from problem framing to production, connecting architecture, product, design, and business to build software that can evolve.

Founder of Byte Criativo. João Pessoa, Brazil.

Work experience

Byte Criativo — Founder & CEO / Software Engineer

2023 — present

I lead the software house while remaining hands-on: I work directly across strategy, architecture, product, design, and engineering.

  • Product strategy and architecture
  • Backend, frontend, and infrastructure
  • UI/UX and application design
  • Automation and integrations
  • Custom solutions and continuous evolution

Jampa Ruby — Organizer and speaker

2023 — present

I run Jampa Ruby, Paraíba’s local Ruby and Ruby on Rails community: I organize its meetups and talks, and take the stage as a speaker too.

  • Organizing meetups and talks
  • Speaking on Ruby and Ruby on Rails

Lepidus Tecnologia — Web Developer

2021

I built web applications for academic journals, events, and scientific groups, and contributed plugins to Public Knowledge Project software.

  • Scholarly publishing applications
  • Plugins for OJS, OMP, and OPS (PKP)
  • REST architecture and APIs
  • Java, JavaScript, SQL, HTML, and CSS

My toolbox

Backend:
Ruby, Ruby on Rails, Python, Django, REST APIs, Web architecture
Frontend:
JavaScript, TypeScript, React, Next.js, HTML, CSS, Tailwind CSS, HTMX
Data:
PostgreSQL, SQLite, SQL
Infrastructure / DevOps:
Linux, Git, GitHub, Docker, Cloudflare, Render, Vercel
AI & automation:
OpenAI APIs, LLMs, AI Agents, LangChain, AI-assisted development, AI integrations
Product:
Product architecture, UI/UX, Application design, Prototyping, Automation, Integrations

Selected work

  1. Carlos Ferrer Online — Four Eras of the Web

    The site’s 2026 era: a large typographic headline on an ivory background, with the timeline of the four eras of the Web below it.

    A curriculum and portfolio interpreted through four eras of the Web.

    A personal project: mine end to end, from the content model to the four interfaces.

    Technologies: Next.js, React, TypeScript, CSS, Tailwind CSS, Vitest, Playwright

    Visit project page

  2. Underground PB

    The current Underground PB home page, with compact navigation, the featured Obsession Fest, and the upcoming shows section.

    A platform for Paraíba’s independent scene, with a show calendar, bands, releases, news, and scene history.

    An original project: I conceived, designed, and built the platform, and still maintain it, at Byte Criativo.

    Technologies: Python, Django, PWA

    Visit project page

  3. Festival Alumiô

    Festival Alumiô 2026 home page: an orange background, the “Vem alumiar o Centro” headline, and a colorful illustration of Historic Center façades.

    Website for the music, art, and gatherings festival in João Pessoa’s Historic Center, with the program, cultural circuit, and memories of past editions.

    Website development for Festival Alumiô.

    Technologies: Next.js, React, TypeScript, CSS, Playwright

    Visit project page

  4. Byte Criativo — the software house’s digital presence

    Byte Criativo’s home page, presenting the company’s custom software services.

    Presents services and portfolio, and walks visitors through to the conversation about their project.

    An original project: I conceived, designed, and built my own company’s site.

    Technologies: Next.js, React, TypeScript

    Visit project page

Education

  • Postgraduate degree in Software Engineering
    Faculdade Focus — 2023
  • Web Development bootcamp
    Le Wagon — 2022
  • Associate degree in Systems Analysis and Development
    Universidade Estácio de Sá — 2021
  • Bachelor of Laws
    Centro Universitário de João Pessoa (UNIPÊ) — 2016

About this page

Four interfaces, one content model: this site tells the same story in 1997, 2004, 2012, and 2026.

Next.js · React · TypeScript

Contact me

For software projects: Byte Criativo / Contato

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