Johannes Gontrum
CEO at sengi ai
Uppsala, Sweden
Summary
👤
Senior🎓
Top SchoolJohannes Gontrum is a Co-Founder and AI specialist with 11 years of experience bridging computational linguistics research and product-grade language AI. He builds and scales NLP-driven products—most recently co-founding Qallio, an AI receptionist platform, while also contributing as Senior AI Developer at Garbo AI and working as an independent NLP/LLM consultant. His background includes deep academic work on parsing and automata (a 260x optimization in tree automata intersection) and hands-on engineering from startups to enterprise integrations. Johannes combines research rigor from his studies in Computational Linguistics and a Master’s in Language Technology with repeated founder experience, shipping multilingual, production-ready automation for SMEs. He’s comfortable moving between low-level algorithmic improvements and applied LLM solutions, which makes him effective at turning language research into tangible products. Based in Uppsala, Sweden, he has a track record of launching teams and products that operationalize advanced language tech.
11 years of coding experience
10 years of employment as a software developer
Bachelor of Science (B.Sc.) Computational Linguistics, Bachelor of Science (B.Sc.) Computational Linguistics at University of PotsdamMaster's degree Language Technology, Master's degree Language Technology at Uppsala University
English, German
Stackoverflow
1,150reputation
433kreached
11answers
3questions
nlp
top-5%
Github Skills (145)
parser10
docker-container10
rest-api10
rest10
natural-language-processing10
docker10
restful-api10
spacy10
parsing10
bilstm9
ai9
nlp9
entity-linking9
python9
deep-learning9
Programming languages (6)
Github contributions (5)
jgontrum/spacy-api-docker
Nov 2016 - Aug 2022
spaCy REST API, wrapped in a Docker container.
Contributions:72 commits, 11 PRs, 55 pushes in 5 years 10 months
docker-containerrestrest-apispacydocker
jgontrum/parseridge
Feb 2019 - Jan 2020
Parseridge: A Transition-based Dependency Parser
Contributions:234 commits, 14 PRs, 30 pushes in 11 months
parser
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