Junior Full Stack Developer (Ruby on Rails / React) — 20+ years turning ideas into products, now shipping them in code.
I spent two decades building businesses and teaching people. Since 2024 I've been building web apps. I bring a founder's eye for what actually matters to the user, backed by clean, tested Rails code.
- Junior Full Stack Developer @ KodeBrew (remote, 10/2024 – 05/2025) — Built back-end and front-end features for Rails MVPs delivered in 10-week sprints. Replaced a manual, spreadsheet-based reporting workflow with a fully automated PDF-generation platform, saving each employee ~10 hours of manual work per week.
- Freelance Full Stack Developer @ digid (2014 – present) — 20+ responsive WordPress and custom Rails/React sites delivered for small businesses and entrepreneurs, end-to-end: architecture, front-end, back-end, hosting, performance.
- English Language Educator & EdTech Entrepreneur (2000 – present) — 25+ years teaching English/Portuguese; founded two online teaching platforms, flexflow (2016–present) and OPEN LANGUAGE Idiomas (2010).
- Leader & organizer of Ruby on Rio, a developer community of 300+ members — in-person and online events on Ruby on Rails and web technologies.
- Full Stack Web Development — Le Wagon Bootcamp (2024)
- B.S. in Information Systems (in progress) — Faculdade Descomplica
- B.A. & Licenciate in Philosophy — UNICAMP
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Shells
Development Tools
Code Repositories
Data Bases
Back-end Languages
Full Stack Frameworks
Front-end Languages
Front-end Frameworks
Application Programming Interfaces
Deployment Platforms
Fullstack product management application built with a decoupled Rails API and React frontend. Includes RESTful endpoints, PostgreSQL persistence, CRUD operations, and a responsive React interface.
Ruby on Rails Rails API React PostgreSQL REST API Docker
Prefê 🍽️
Favorite restaurant list app with asynchronous background processing and paginated listings. Built fullstack and architected from scratch — models, controllers, jobs, and test suite.
Ruby on Rails PostgreSQL Sidekiq Redis Kaminari RSpec TDD
REST API for managing geographic concentration risk in loan portfolios. Designed with a domain-driven approach using Service Objects, PostgreSQL transactions, configurable business rules, and automated tests.
Ruby on Rails PostgreSQL REST API Service Objects RSpec ACID Transactions
- 🌎 Open to full stack junior/entry-level roles (Rails, React, or Hotwire) — remote or Rio de Janeiro;
- 🌱 Currently learning Spec-Driven Design;
- 👯 Open to collaborating on Ruby on Rails Libre/Open Source projects;
- 💬 Ask me about Rails, WordPress, or building an EdTech company from scratch.
📌 Check out my pinned projects below — each README includes the stack, architecture, and technical highlights.