Marcyo Massuci
Web Designer, Graphic Designer, Digital Entrepreneur and Generative AI & Prompt Engineering specialist. Founder and creative director of WEBX, in Curitiba, Brazil, for more than 25 years.

Professional summary
Entrepreneur and web developer with more than 25 years in the Brazilian digital market. Founder and creative director of WEBX, one of the best-known web development agencies in Curitiba — built on 100% original, clean code, with no WordPress or page builders, and praised by its own clients for quality, speed and technical excellence.
Thousands of websites have been built, with dozens of active clients featured on Google and in Artificial Intelligence search, plus one of the highest volumes of real Google reviews among agencies in the industry. He combines front-end technical mastery with a graphic designer’s eye and a strategic view of digital marketing, bringing together three fronts that rarely go hand in hand: code, visual creation and performance.
He is also an AI Engineering specialist, writing prompts and integrating artificial intelligence into the development process and into the experience of the websites delivered, with advanced command of cloud hosting, visual branding and UX best practices, always driven by results.
A paid traffic specialist on Google Ads and Instagram, he runs acquisition campaigns whose targeting, creatives and performance optimization are fully integrated with artificial intelligence — combining paid media and AI to maximize reach, conversion and return on investment for clients.
- 25+Years of experience in the digital market
- 3,800+Websites built throughout the career
- 15+Market segments served
- 100%Original code — no WordPress or page builders
Career and education
- Experience2000/2001 — PresentFounder & Creative DirectorWEBX Criação de Sites · Curitiba, PR, Brazil
- Course2026CS50’s Web Programming with Python and JavaScriptHarvard University
- Postgraduate2026Artificial Intelligence for DevelopersUTP — Universidade Tuiuti do Paraná
- Postgraduate2019Game DesignUniversidade Positivo
- Bachelor’s degree2000 — 2005Visual Arts — Computer GraphicsUTP — Universidade Tuiuti do Paraná
Tools and expertise
Advanced knowledge
- HTML5
- CSS3
- JavaScript
- PHP
- AJAX
- Python
SEO & GEO
- Technical SEO
- Information Architecture
- GEO for AI
- Schema / JSON-LD
Design & Marketing
- Photoshop
- CorelDRAW
- Visual Branding
- Instagram Management
- Google Ads
- Paid Traffic
AI & Infrastructure
- Generative AI & Prompt Engineering
- AI Integration
- Cloud Hosting
Languages
- Portuguese · native
- English · business intermediate
Publications
- Gazeta do Rio de JaneiroCódigo próprio ou plataforma pronta? Especialista explica diferenças na criação de sitesRead the article →
- Portal Estado de São PauloSite bonito não basta: Marcyo Massuci explica o que transforma acessos em oportunidadesRead the article →
- Gazeta de BrasíliaAlém do visual: o que faz um site gerar resultados e atrair clientesRead the article →
- Portal Sou + PopCriar um site do zero ou usar uma plataforma pronta? Entenda o que considerar na escolhaRead the article →
Memberships
Marcyo Massuci is a member of national and international computing, artificial intelligence and internet organizations.



