Work & Case Studies
Websites, online stores, web apps and automation. Some of it for clients, some of it ours, all of it live. We run our own products too, which is how we know what it takes to get yours launched.
Products we built and run
Our own products with real users, billing and support behind them, plus the client and open-source work we shipped along the way.
Tawlify
QR table-ordering SaaS for cafes and restaurants. Guests scan, order and get notified from their table, with no app to download.
Impact: venues report ~24% larger average basket and hours of staff order-taking removed per week.
WebQuestões
An online platform offering a comprehensive database of multiple-choice questions for various exams.
Impact: reduced manual grading with timed sessions and automatic answer checking.
AutoShaper
AutoShaper automates container sizing from documents, saving time, improving organization, and reducing errors.
Impact: replaced repetitive sizing steps with OCR/PDF-assisted automation.
Smart Contract Downloader
A utility for downloading and analyzing blockchain smart contracts.
Impact: sped up contract review workflows with one-step source retrieval.
Loterizador
A web-based tool designed to assist users in generating and managing lottery numbers efficiently.
Impact: streamlined recurring number strategy management across web and extension.
Remix Run Snippets
VSCode snippet extension focused on Remix Run development with more than 15k downloads.
Impact: 15k+ installs helping Remix teams ship faster with consistent scaffolding.
Built with our Website Builder
Live business sites generated and deployed with our Website Builder, bringing in messages and orders.
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Day-to-day tools
If you are looking for small tools to get through the day, here are the ones we built and use ourselves: converters, formatters and generators that take the repetitive work out of the way.
Toolbox Projects
Browse the full toolbox, free and open in the browser.
Companies I've worked with
Scalable Path
Senior Frontend / Full-Stack Engineer (Contract)
2022 — 2023 • Remote, San Francisco, California, United States
Contributed as a senior contractor to a production Shopify ecosystem supporting both the App and POS workflows.
Performa_IT
Frontend Engineer
2020 — 2022 • Remote, Campinas, São Paulo, Brazil
Built and maintained complex frontend applications for financial, production, and logistics platforms.
W3 Automação e Sistemas
Full-Stack Engineer
2017 — 2020 • Belém, Pará, Brazil
Developed full-stack features for public-facing financial platforms, working across frontend and backend systems.
Universidade Federal do Pará
Software Engineer, Research Projects
2015 — 2017 • Belém, Pará, Brazil
Developed software solutions for healthcare, assistive technology, and environmental monitoring projects.
Education & certifications
M.Sc. in Neurobiology and Neurosciences
Federal University of Pará (UFPA), Brazil • 2017
Postgraduate Degree in Software Engineering
Estácio, Brazil • 2017
B.E. in Computer Engineering
IESAM, Brazil • 2015
Let's Work Together
Have a project in mind? I'd love to hear about it. Whether you need a complete solution or just want to discuss your ideas, I'm here to help turn your vision into reality.