Felipe L is a seasoned software leader with 15 years of experience delivering scalable backend systems and full-stack applications across fintech, gaming, and research domains. As Lead Software Developer at Noksys since 2024, he steers architectural delivery and hands-on development, balancing technical depth with team leadership. He previously founded Walltime and served as CTO, demonstrating entrepreneurial vision and hands-on product stewardship in fast-paced environments. A polyglot developer, he specializes in Java, C/C++, JavaScript, Android, Scheme, and Rust, with a notable open-source footprint on the XChange project for cryptocurrency exchange integrations. Based in São Paulo, Brazil, his career spans startups and corporations, including Movile, Thomson Mass Spectrometry Laboratory, and Tecnometrica Estatística, underscoring a track record of shipping reliable software across diverse domains. He actively contributes to crypto tooling and data access layers, bringing both pragmatic engineering and strategic execution to multi-disciplinary teams.
16 years of coding experience
24 years of employment as a software developer
Mackenzie Presbyterian University
University, Computer Science, University, Computer Science at Faculdade Comunitária de Campinas (FAC 3)
Technical College, Data processing/Computer Programming, Technical College, Data processing/Computer Programming at Colégio Técnico de Campinas
Ensino Fundamental, Basic, Ensino Fundamental, Basic at E. E. João Lourenço Rodrigues
English school, English, English school, English at Sarina Russo English School
XChange is a Java library providing a streamlined API for interacting with 60+ Bitcoin and Altcoin exchanges providing a consistent interface for trading and accessing market data.
Role in this project:
Back-end Developer
Contributions:9 commits, 5 comments, 2 issues in 18 days
Contributions summary:Felipe primarily contributed to the implementation of various cryptocurrency exchange integrations within the XChange Java library. They focused on adding support for the Mercado Bitcoin and BitcoinToYou exchanges, including adapter classes for market data, account information, and order management. The contributions included test cases to validate the correctness of the implementations. The user also addressed bug fixes and made minor improvements to the existing codebase.
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