Gabriel Leocádio Full-Stack Developer
Tell me what you need. I'll figure it out and ship it.
- Storefront
- API integration
- Performance
- Platform migration
I've worked in e-commerce since 2017, on storefronts like Fast Shop, Pernambucanas, Seara and Sicredi.
- Based in
- São Paulo, Brazil
- Stack
- TypeScript · React · Node
- Platform
- VTEX IO · FastStore
Stores I worked on
A selection of VTEX storefronts.
- 2026
Seara Kit Festa
Full-stack developer · VTEX FastStore
Seara party-kit store. I built components and the API integrations from kit assembly through checkout.
- 2026
Shopping Sicredi
Full-stack developer · VTEX IO
The Sicredi marketplace, a mature codebase with high traffic. I work on new features and on continuous performance and SEO improvements.
- 2024
Fast Shop
Full-stack developer · VTEX FastStore
Electronics and appliances e-commerce. I built pages and components, and worked on Core Web Vitals across a high-traffic catalog.
- 2023
Pernambucanas
Full-stack developer · VTEX FastStore
Pernambucanas' fashion, home and credit storefront. I built the store's interface with an eye on Core Web Vitals.
Things I built on my own
Tools that came out of something that annoyed me at work, open on GitHub.
-
Fluent Sound Switcher
Windows app
Switches the Windows audio device by hotkey or from the tray, with an overlay that shows over fullscreen games.
- MIT
- v0.6.0
- Windows
-
VTEX Companion
Chrome and Firefox extension
Reads the stack, catalog and SEO of VTEX stores and opens the FastStore preview on localhost.
- MIT
- v1.3.0
- Chrome
- Firefox
Where I worked
-
Quality Digital
Since 2024
Senior Developer
E-commerce storefronts on VTEX IO and FastStore.
- Seara and Sicredi: new features and performance work in production.
- Code review and alignment with design and back-end.
-
Maeztra
2019 to 2024
Specialist Developer
Five years on VTEX IO and FastStore storefronts.
- Fast Shop and Pernambucanas: I built and maintained those storefronts for years.
- Standardized components and performance practices alongside the product team.
-
Agência Quatro Digital
2017 to 2019
Junior Front-end Developer
First job. E-commerce sites on legacy VTEX with HTML, CSS and JavaScript.
- Store templates and components on VTEX's old CMS.
- Worked alongside design and back-end on deliveries.
What I use
- Languages
- TypeScript, JavaScript, HTML, CSS / Sass, GraphQL
- Frameworks
- Next.js, React, Astro, Node.js, Tailwind
- E-commerce
- VTEX IO, VTEX FastStore
- Tooling
- Git, VS Code, Claude Code, Codex, Postman, Figma
Get in touch
Open to roles and freelance work.
Or write to [email protected]