Ruan Comelli
Software Engineer
Santa Catarina, Brazil
Summary
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Rockstar🎓
Top SchoolRuan Comelli is a software engineer with 9 years of experience who blends a mechanical engineering and scientific computing background with practical AI and automation to simplify developer workflows. He has built AI-driven developer tools at Sourcery—including a GitHub bot and automated bug-fixing system—and led ML-driven document processing and custom OCR solutions as a tech lead. An active open-source contributor, he has improved the well-regarded more-itertools library with features like minmax and stricter sorting checks, demonstrating attention to API quality and typing. Based in Santa Catarina, Brazil, Ruan focuses on maintainable codebases and engineering ergonomics, and off-hours he channels curiosity into side projects, beach volleyball, and life with two chihuahuas.
9 years of coding experience
6 years of employment as a software developer
Master's degree, Mechanical Engineering, Master's degree, Mechanical Engineering at Universidade Federal de Santa Catarina
Portuguese, English, German
Stackoverflow
680reputation
32kreached
15answers
3questions
Github Skills (13)
python10
pytest9
type-checking9
typehinting9
black-formatter7
code-formatting7
formatting7
formatter7
praw6
exceptions6
pydantic6
dictionary6
tensorflow6
Programming languages (8)
Github contributions (5)
more-itertools/more-itertools
Oct 2021 - Oct 2021
More routines for operating on iterables, beyond itertools
Role in this project:
Back-end Developer
Back-end DeveloperContributions:10 commits, 1 PR, 3 comments in 15 days
Contributions summary:Ruan primarily contributed to enhancing the `more-itertools` library by adding features and improving code quality. Their work included implementing a `strict` parameter for the `is_sorted` function and correcting type hints for the `groupby_transform` function. They also added the `minmax` function to the library. Furthermore, they addressed code formatting issues with Black and removed an unused import.
itertoolsoperatingroutinesiterablesbeyond
ruancomelli/brag-ai
Feb 2025 - Mar 2025
Generate and maintain a brag document with the help of LLMs
Contributions:6 reviews, 110 PRs, 174 pushes in 25 days
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