# Changelog
My career as release notes, newest first. From field engineering to frontend, every version shipped to production.
HEADBuilding thisunreleased
2026 · Independent
Found myself unemployed for the first time ever at 30, so I built this while studying LLMs and AI agents and workflows.
v10.0AbbVie
Oct 2024·Fullstack Engineer·Pharmaceutical
Built a self-service business intelligence platform for a global pharmaceutical company enabling board-level and senior leadership across multiple regions to build custom dashboards through a guided layout builder.
v9.0Arke Systems
Oct 2023·Frontend Engineer·Software House / Biotech
One of two engineers on a dedicated product team within a software house building and owning the full frontend of a laboratory management platform for Jackson Laboratory, one of the world's leading genetic research institutions.
v8.0Realtime Electronic Payments
Jun 2022·Frontend Engineer·Fintech / Payments
Core team engineer at a US fintech building white-label payment infrastructure, client-branded portals serving B2B institutions and B2C end-users across automotive, healthcare, government and consumer finance sectors.
v7.0Leo Madeiras
Feb 2021·Fullstack Engineer·Retail / E-commerce
Senior full stack engineer on Brazil's largest wood and construction materials retailer maintaining a unified sales platform across 120+ physical stores and e-commerce, including international locations in Paraguay.
★Became a father
Jul 2020·best release yet
My daughter arrived in 2020, the best thing I've ever helped ship.
v6.0HomeHub
Apr 2020·Frontend Engineer·Real Estate / Proptech
One of two engineers working directly with the CEO and CTO of a premium real estate startup targeting the Rio de Janeiro market.
v5.0UNIFEI
Aug 2019·WordPress Developer·Public Sector / Educationinternship
Maintained and modernized the federal university's WordPress platform during the COVID-19 pandemic transition to remote learning.
v4.0Honeywell
Jan 2019·Frontend Engineer·Industrial Safety / IoTinternship
University-partnered project developing Safety-Gate, an industrial worker safety platform for a high-risk work site in Itajubá.
v3.0Solver Technologies
Nov 2017·Frontend Engineer·Industrial Safety / Environmental Monitoringstartup
Second developer at a 6-person university startup building disaster-prevention infrastructure for Mariana and Brumadinho, sites of Brazil's two most catastrophic mining dam collapses.
v2.0Expresso Valônia
May 2017·IT & Telemetry Analyst·Urban Transportationinternship
Analyzed vehicle telemetry data to generate operational reports on fuel efficiency and safety driving KPIs.
v1.1Self-employed / Schlumberger
Jul 2016·English Instructor·Education / Language Teachingfreelance
Ran a freelance English teaching practice concurrently with the Schlumberger engineering internship, serving multiple employees across three classrooms.
v1.0Schlumberger (formerly Cameron)
May 2016·Planning Engineer·Oil & Gasinternship
Engineering internship during the Cameron-Schlumberger merger integration.
★Best of the Year
2016·university athletics
Took home the Best-of-the-Year trophy with the university team.
v0.0: long hair, federal engineering school, a lot of curiosity.