Marcelo Dos Santos
Desenvolvedor Java Sênior at DB1 Group
São Paulo, Brazil
Summary
👤
Senior🎓
Top SchoolMarcelo Dos Santos is a Senior Java Developer based in São Paulo with 11 years of experience building full-stack and mobile solutions for services, e-commerce and defense sectors. He combines strong Java/Spring Boot backend skills with Angular front-ends and mobile development in Java and Dart/Flutter, and has led teams as a Tech Lead for over a year. His background in embedded C/C++ and verification with Python and LabVIEW gives him a pragmatic edge when working on performance- and safety-critical systems. Marcelo is also an active open-source contributor—having added Racket support and tooling to the popular Doom Emacs framework—reflecting a passion for PLT, creative coding and developer ergonomics. Currently deepening his expertise with an MBA in Software Architecture and a second degree in Mathematics/Computer Science, he brings both architectural thinking and mathematical curiosity to complex engineering problems.
11 years of coding experience
Centro Universitário Internacional UNINTEREspecialização em Tecnologias e Sistemas de Informação, Especialização em Tecnologias e Sistemas de Informação at Universidade Federal do ABC - UFABCAnálise e Desenvolvimento de Sistemas, Análise e Desenvolvimento de Sistemas at Etep - Centro UniversitárioMBA em Arquitetura Full Cycle, MBA em Arquitetura Full Cycle at Full CycleTécnico em Tecnologia da Informação, Técnico em Tecnologia da Informação at Colégio Técnico ETEPAcademia do Arquiteto Java, Academia do Arquiteto Java at Globalcode
Github Skills (4)
racket10
spacemacs10
emacs10
emacs-lisp10
Programming languages (10)
Github contributions (5)
doomemacs/doomemacs
Jun 2018 - Aug 2018
An Emacs framework for the stubborn martian hacker
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:5 commits, 4 PRs, 2 comments in 2 months
Contributions summary:Marcelo primarily contributed to enhancing the Emacs configuration framework, Doom Emacs, by introducing support for the Racket programming language and its associated tooling. Their work included adding language-specific configuration files, REPL integration, package management, and completion handlers within the framework. They also made modifications to the user interface, specifically addressing the company-capf backend and input-method functionality.
vimemacs-configurationmartianemacsemacs-lsp
mdssjc/mds-page
Mar 2022 - Feb 2025
Contributions:28 pushes, 3 branches, 2 issues in 2 years 11 months
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