01 About
Gabriel Leocádio Full-Stack Developer
I've worked in e-commerce since 2017, on storefronts like Fast Shop, Pernambucanas, Seara and Sicredi. Most of my time goes into performance and API integration.
- Based in
- São Paulo, Brazil
- Stack
- TypeScript · React · Node
- Platform
- VTEX IO · FastStore
02 Work
Stores I worked on
A selection of VTEX storefronts, 2023 to 2026.
- 01 2026
Seara Kit Festa
Full-stack developer · VTEX FastStore
Seara party-kit store on VTEX FastStore. I built components and the API integrations from kit assembly through checkout.
- VTEX FastStore
- React
- TypeScript
- GraphQL
- Node.js
- 02 2026
Shopping Sicredi
Full-stack developer · VTEX IO
Sicredi marketplace on VTEX IO. A mature, high-traffic codebase. I work on new features and on continuous performance and SEO improvements.
- VTEX IO
- React
- TypeScript
- GraphQL
- Node.js
- 03 2024
Fast Shop
Full-stack developer · VTEX FastStore
Electronics and appliances e-commerce on VTEX FastStore. I built responsive pages and components, and worked on Core Web Vitals across a high-traffic catalog.
- VTEX FastStore
- React
- TypeScript
- GraphQL
- Node.js
- 04 2023
Pernambucanas
Full-stack developer · VTEX FastStore
Pernambucanas' fashion, home and credit storefront on VTEX FastStore. I built responsive pages and components with an eye on Core Web Vitals.
- VTEX FastStore
- React
- TypeScript
- GraphQL
- Node.js
03 Experience
Where I worked
Three companies, from 2017 to today.
- 01
Quality Digital
2024 — present
Senior Developer
E-commerce storefronts on VTEX IO and FastStore with React, TypeScript and GraphQL.
- Seara and Sicredi: new features and performance work in production.
- Code review and alignment with design and back-end.
- React
- TypeScript
- Next.js
- GraphQL
- VTEX IO
- FastStore
- 02
Maeztra
2019 — 2024
Specialist Developer
Five years on VTEX IO and FastStore storefronts with React, TypeScript and Next.js.
- Fast Shop and Pernambucanas: I built and maintained those storefronts for years.
- Standardized components and performance practices alongside the product team.
- React
- TypeScript
- Next.js
- GraphQL
- VTEX IO
- FastStore
- 03
Agência Quatro Digital
2017 — 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.
- HTML
- CSS
- JavaScript
- VTEX CMS
04 Stack
What I use
The technologies I use day to day.
01 Languages
- TypeScript
- JavaScript
- HTML
- CSS / Sass
- GraphQL
02 Frameworks
- Next.js
- React
- Astro
- Node.js
- Tailwind
03 E-commerce
- VTEX IO
- VTEX FastStore
04 Tooling
- Git
- VS Code
- Claude Code
- Codex
- Postman
- Figma
05 Contact
Get in touch
Open to roles and freelance work. Use the form or email me directly.
Or write to [email protected]