Matthäus Zehetmeier
Parental Leave
Großhansdorf, Schleswig-Holstein, Germany
Summary
🤩
Rockstar🎓
Top SchoolMatthäus Zehetmeier is an interculturally fluent operations and product leader with 15+ years of experience building and scaling product teams across food-tech and language technology domains. Most recently Head of Linguistics at LanguageTool, he led a 13-person computational linguistics organization, drove rule-based and AI-integrated quality improvements, and contributed backend fixes to the well-known LanguageTool open-source project. He combines COO-level operational rigor—having implemented financial controls, forecasting and IFS Broker quality certification—with hands-on product development and multilingual team building across Spanish, French and Portuguese markets. Based in Germany with academic roots in intercultural business studies and time in Latin America, he seeks a leadership role in a mid-sized international company linking product, ops and organizational development. Notably, he blends strategic vision with code-level linguistic contributions, a mix that helps bridge engineering, data and product teams.
3 years of coding experience
7 years of employment as a software developer
Licenciado en Gerenciamiento Económico Intercultural, Licenciado en Gerenciamiento Económico Intercultural at Universidad del SalvadorDiplom-Kulturwirt (International Cultural and Business Studies), focus on Spain and South America, Spanish and French, Diplom-Kulturwirt (International Cultural and Business Studies), focus on Spain and South America, Spanish and French at Universität Passau
German, Spanish, English, French, Hebrew
Github Skills (7)
grammar10
javas10
grammars10
java10
natural-language-processing9
spellchecking9
xml8
Programming languages (2)
Github contributions (5)
languagetool-org/languagetool
Dec 2022 - Jan 2023
Style and Grammar Checker for 25+ Languages
Role in this project:
Back-end Developer
Back-end DeveloperContributions:11 reviews, 22 commits, 29 PRs in 1 month
Contributions summary:Matthäus primarily contributed to language module improvements and bug fixes within the LanguageTool project. Their work included changes to Portuguese punctuation rules, adjustments to Arabic number word generation, and modifying code within German compound rule implementations. They also added a "general" tone tag to `ToneTag.java` and updated a SentenceAnnotator.java file. These changes suggest a focus on enhancing the accuracy and functionality of language-related rules.
style-checkergrammar-checkercheckergrammarlanguagetool
maphjo/languagetool
Dec 2022 - Sep 2023
Style and Grammar Checker for 25+ Languages
Contributions:9 pushes, 33 branches in 9 months
grammar-checkercheckergrammarlanguagetoolabstract-syntax-tree
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