# Marcelo Junior

> Software Engineer at Soulloop, based in São Paulo, Brazil, and
> originally from Maranhão. 5 years building systems, websites and apps.

## Links

- [Website](https://www.marcelojunior.dev): Portuguese at the root, English under /en/
- [About](https://www.marcelojunior.dev/en/about): profile, education and technical skills
- [Projects](https://www.marcelojunior.dev/en/projects): every case study
- [Email](mailto:marcelovfjjunior@gmail.com)
- [GitHub](https://github.com/marcelojjunior)
- [LinkedIn](https://www.linkedin.com/in/marcelojjunior)

## Profile

- Current role: Software Engineer at Soulloop, since October 2025
- Education: BSc in Information Systems, UNIBALSAS - Faculdade de Balsas (2018 to 2022)
- Languages: Portuguese (native), English (intermediate)

## Technical skills

- Mobile development: React Native, TypeScript, Expo
- Web development: React, Next.js, TypeScript, Astro, WordPress
- Back end: PHP, Laravel, PostgreSQL, MySQL, Firebase, Docker
- UI/UX: Figma

## Experience

- Software Engineer, Soulloop (October 2025 — Present). Remote, São Paulo, SP.
- Tech Manager, Buzzvel (March 2025 — October 2025). Remote, Lisbon, Portugal.
- Software Engineer, Buzzvel (November 2022 — February 2025). Remote, Lisbon, Portugal.
- IT Assistant, Grupo Produtécnica (February 2022 — July 2022). On-site, Balsas, MA.
- IT Assistant, Contabilize Contabilidade (January 2021 — January 2022). On-site, Balsas, MA.

## Projects

### Formatura Medicina TXXXI - UNICID
[Read the case study](https://www.marcelojunior.dev/en/projects/formatura-med-txxxi)
Role: Sole developer · July 2026 · Event site
Stack: Astro, TypeScript, GSAP, Lenis, Resend, Cloudflare Turnstile, Cloudflare R2, Vercel
The information hub for a medical class's graduation: four events, a searchable FAQ, documents, and a form that lands in the committee's inbox.

### Wedding Invitation - Marília & Davy
[Read the case study](https://www.marcelojunior.dev/en/projects/convite-casamento)
Role: Sole developer · June 2026 · Landing page
Stack: React, JavaScript, Vite, Tailwind CSS, Framer Motion, GSAP, Lenis, Vercel
A wedding invitation built as a website, with a travel theme: date and venue, RSVP, gift list, PIX and the colours guests should avoid.

### VM Fight
[Read the case study](https://www.marcelojunior.dev/en/projects/vm-fight)
Role: Sole developer · November 2025 · Landing page
Stack: React, TypeScript, Vite, Tailwind CSS, Google Maps API, Vercel
A landing page for a martial arts gym in São Paulo, built to bring visitors to a free trial class booked over WhatsApp.

### Feira de Talentos - Pontuação
[Read the case study](https://www.marcelojunior.dev/en/projects/feira-de-talentos)
Role: Sole developer · March 2026 · Web system
Stack: React, TypeScript, Vite, Firebase Auth, Firestore, shadcn/ui, Tailwind CSS, Recharts, React Router, Vercel
A web scoring system for the Talent Fair: administrators set the criteria, teachers mark students’ points throughout the year, and everyone follows progress in charts.

### Weather App
[Read the case study](https://www.marcelojunior.dev/en/projects/weather-app)
Role: Sole developer · August 2025 · Mobile app
Stack: React Native, TypeScript, React Navigation, Axios, AsyncStorage, NetInfo, NativeWind
A weather forecast app for iOS and Android, with search for any city in the world, current conditions and the forecast for the coming days.

### AESE Business School
[Read the case study](https://www.marcelojunior.dev/en/projects/aese)
Role: Front-end developer · 2025 · Corporate website
Built at Buzzvel; the project belongs to the company.
Stack: WordPress, Custom Post Types, WordPress REST API, ACF, Gutenberg, Fluent Forms, WPML
The new website for AESE, a Portuguese business school, built at Buzzvel. I developed the front end of its WordPress theme, including the Gutenberg blocks.

## Notes for citation

- Portuguese is the primary language; /en/ is a full mirror, not a partial translation.
- Each project page documents the technical decisions behind it and the trade-offs they accepted.