Jonas De Abreu
Founder & CTO at Labrys </>
Barcelona, Catalonia, Spain
Summary
👤
Senior🎓
Top SchoolJonas De Abreu is a founder and CTO with 18 years of experience blending software engineering and security to build regulated, impactful systems. He led security and engineering at Nubank through rapid growth and now runs Labrys, an international R&D center that helps regulators, industry and academia design technology with social benefit. His work has influenced financial infrastructure and regulation in Brazil, including contributions to Pix rail and OpenFinance, demonstrating expertise at the intersection of policy and engineering. A hands-on engineer with open-source roots, he has contributed to Brazilian developer tooling like caelum-stella, focusing on validation and code quality improvements. Based in Barcelona, he combines academic training from USP with practical leadership in product, security and public-purpose tech. Jonas is particularly skilled at translating regulatory constraints into scalable technical architectures that unlock new market and societal value.
17 years of coding experience
11 years of employment as a software developer
Bacharelado em Ciência da Computação, Bacharelado em Ciência da Computação at USP - Universidade de São Paulo
Portuguese, English, Spanish
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (6)
javas10
validation10
validate10
validations10
java10
refactoring9
Programming languages (6)
Github contributions (5)
caelum/caelum-stella
Oct 2008 - Aug 2009
O Caelum Stella visa suprir as necessidades do dia a dia do desenvolvedor brasileiro
Role in this project:
Back-end Developer
Back-end DeveloperContributions:86 commits in 9 months
Contributions summary:Jonas organized imports and added `.settings` to `svn:ignore` to improve code structure. They made multiple code changes to validator classes (IE, NIT, CNPJ, and CPF) within the `stella-faces` package. These changes included the import of new classes from the `br.com.caelum.stella` package, suggesting improvements to validation logic. The changes across multiple files indicate a focus on refactoring and enhancing the core functionality of the validation logic within the project.
desenvolvedorbrasileirostellacaelumdia
vidageek/i18n
Sep 2009 - Dec 2014
Contributions:59 commits in 5 years 3 months
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