João Guimarães
Senior Software Engineer at Brex
São Paulo, Brazil
Summary
👤
Senior🎓
Top SchoolJoão Guimarães is a Senior Software Engineer with 11 years of experience, currently building backend systems at Brex after progressing through multiple engineering roles there. A Computer Science graduate from USP’s ICMC, he brings deep technical rigor from fintech and cybersecurity domains and a systematic approach to design, implementation, and documentation. João is self-driven and thrives in collaborative teams, translating complex requirements into reliable, auditable solutions. He maintains an active GitHub presence and favors Linux, reflecting a hands-on, tooling-oriented mindset that complements his production focus. Beyond shipping code, he is passionate about continuous learning and knowledge sharing, mentoring peers and improving team practices. Based in São Paulo, he balances pragmatic engineering with interests in space exploration that inform a long-term, curiosity-led perspective.
10 years of coding experience
8 years of employment as a software developer
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at Instituto de Ciências Matemáticas e de Computação (ICMC) - USP
Portuguese, English, Japanese, Spanish
Github Skills (32)
cat8
deep-security8
web-application7
methodology7
social-media7
rpg6
django6
unicode5
security5
tactics5
braille5
python5
freetype5
dnd-tools5
pixel4
Programming languages (7)
Github contributions (5)
jvlsg/roll-rust
Dec 2020 - Feb 2021
A re-implementation of Roll - A simple Diceroller for RPG and CLI enthusiasts - using the Rust Programming language
Contributions:6 releases, 51 commits, 13 PRs in 2 months
rust-programming-languagere-implementationgamerustdiceroller
jvlsg/Shrimp
May 2021 - Jun 2022
Shellzao Rust Implementation
Contributions:50 commits, 5 PRs, 17 pushes in 1 year
rustrust-language
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