Marcelo Jacobus
Senior Software Engineer at Monograph
Rio Grande do Sul, Brazil
Summary
🤩
Rockstar🎓
Top SchoolMarcelo Jacobus is a senior software engineer with over 15 years building maintainable Ruby on Rails backends and systems for startups and large teams, including GitHub and XING. He’s delivered measurable business impact—replacing a costly vendor to save ~$25k/month, cutting test suites and API latency in half, and simplifying complex controller logic with modular patterns. Comfortable as a founding engineer and in remote-first teams, Marcelo focuses on reducing technical debt through fearless refactoring, strong test coverage, and clear architecture. At GitHub he improved the docs translation pipeline and contributed to the widely used docs.github.com localization workflows, blending engineering with internationalization expertise. Colleagues rely on him for predictable delivery and pragmatic solutions that scale across time zones and product stages. Based in Rio Grande do Sul, Brazil, he pairs hands-on implementation with a knack for automating tedious processes to keep long-lived code healthy.
14 years of coding experience
14 years of employment as a software developer
Pio XiiTécnico em Informática Computer Technology/Computer Systems Technology, Técnico em Informática Computer Technology/Computer Systems Technology at Feevale
English, Portuguese
Stackoverflow
1,752reputation
113kreached
8answers
42questions
Github Skills (18)
internationalization10
localization10
github-ci9
githubaction-workflow9
bash8
script8
javascript7
yaml7
ruby-on-rails6
php6
webpacker6
bdd6
sass6
ruby6
rubygems6
Programming languages (16)
Github contributions (5)
github/docs
Sep 2021 - Jan 2022
The open-source repo for docs.github.com
Role in this project:
Localization / Internationalization Specialist
Localization / Internationalization SpecialistContributions:2 reviews, 39 commits in 3 months
Contributions summary:Marcelo's contributions primarily focused on improving the localization and internationalization of the GitHub documentation. They addressed issues related to liquid tag parity between English and translated pages, ensuring that translated content accurately reflected the original. The user also worked on scripts and workflows to manage and automate the translation process, including reporting reset files and preventing empty source files. Their work demonstrates a focus on maintaining consistency and quality in multilingual documentation.
works-with-codespaces
mjacobus/vistasoft
Mar 2013 - Feb 2020
SOAP API for Vista Soft Real State SOAP Interface
Contributions:35 commits, 2 PRs, 2 pushes in 6 years 11 months
apireal-statesolidworkssoapwsdl
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