André Bertoletti is a senior software engineer based in São Paulo with over a decade of hands-on experience building and maintaining .NET-based systems, ERP solutions, and web APIs. He combines meticulous attention to detail and systems thinking to prioritize work by real business value and to anticipate problems before they surface. A collaborative mentor and instructor, he has led technical training programs and taught programming and software engineering at multiple institutions, translating complex concepts into practical results. His contributions to open-source fiscal tooling (DFe.NET) show a focus on compliance-driven debugging and developer ergonomics, improving validation accuracy and Intellisense documentation. Passionate about lean delivery and user-centered solutions, he balances pragmatic engineering with empathy for teammates and users.
11 years of coding experience
18 years of employment as a software developer
Analise de Sistemas, Analise de Sistemas at Universidade Metodista de Piracicaba
Técnico em Processamento de Dados, Informática, Técnico em Processamento de Dados, Informática at Colégio Integrado
Biblioteca para Geração de NFe(2.0, 3.10 e 4.0) e NFCe(3.10 e 4.0) e consumo dos serviços necessários à sua manutenção, conforme descritos em http://www.nfe.fazenda.gov.br/portal/principal.aspx
Role in this project:
Backend Developer
Contributions:30 commits, 9 PRs, 81 comments in 2 months
Contributions summary:André primarily focused on debugging and refining existing code within the `dfe.net` library. Their contributions centered on correcting and adjusting the generation of NFe (Nota Fiscal Eletrônica) examples within the AppTeste application, aligning with specific validation rules outlined in the NT 2016.002 documentation. The commits demonstrate meticulous attention to detail, including reverting incorrect changes and ensuring compliance with evolving regulations for electronic fiscal documents. The user also updated code comments to enhance the developer experience through improved Intellisense integration.
Contributions:2 PRs, 4 pushes, 5 branches in 2 years 11 months
cursolibgit2git-gui
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André Bertoletti - Senior Software Engineering at Genius SIS