Guilherme Bueno
Founder, CEO at Fintz
Santa Catarina, Brazil
Summary
👤
Senior🎓
Top SchoolGuilherme Bueno is a founder and software engineer with eight years of experience building data-driven products for financial markets and startups. He leads Fintz, a market data API provider, and co-founded Cartera, a social portfolio platform, combining product, engineering and go-to-market skills to make complex datasets accessible at scale. Comfortable with cutting-edge tech and AI, he has hands-on experience integrating financial statements, historical prices and fixed-income data into production APIs used by major Brazilian platforms. His background spans early entrepreneurial ventures—from running a game server as a teen to international client-facing roles at an agri-data startup—revealing a blend of technical curiosity and commercial grit. Based in Santa Catarina and trained in computer science, Guilherme is driven by spotting unseen opportunities and turning data into actionable products.
8 years of coding experience
2 years of employment as a software developer
Ciências da Computação Computer Science, Ciências da Computação Computer Science at Universidade Federal de Santa Catarina
Portuguese, English, French, Spanish
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (13)
devops9
satellite-images9
satellite9
api8
css8
b38
leaf8
javascript7
programming-language6
api-documentation5
finance1
collections1
datasets1
Programming languages (4)
Github contributions (5)
thefintz/docs
Feb 2022 - Oct 2022
Docs da API Fintz: Ações, Fundos, Tesouro e mais
Contributions:1 review, 17 commits, 3 PRs in 8 months
apiacoesapi-documentationapi-acoesapi-b3
thecartera/webapp
Mar 2021 - Aug 2021
Cartera (previously Monneda).
Contributions:8 reviews, 296 commits, 75 PRs in 4 months
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