Jun Ohtani
フリーランス at 自営/フリーランス
Tokyo, Japan
Summary
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Rockstar🎓
Top SchoolJun Ohtani is a seasoned search engineer and freelance consultant based in Tokyo with 15 years of experience building and advising on search systems such as Solr and Elasticsearch. After six years as a Community Engineer at Elastic, he now runs his own freelance practice and organizes study groups focused on search technologies. He blends hands-on development (Java, C#) and system architecture with plugin development—author of the Analyze API plugin—and a strong track record in full-text search deployment and consulting. Jun’s background includes enterprise system work and a master’s in computer engineering, giving him both practical delivery skills and deep technical grounding.
15 years of coding experience
17 years of employment as a software developer
Master of Engineering (M.Eng.), Graduate School, Division of Information Science Department of Computer Engineering, Master of Engineering (M.Eng.), Graduate School, Division of Information Science Department of Computer Engineering at 広島市立大学 / Hiroshima City University
Stackoverflow
56reputation
2kreached
1answer
0questions
Github Skills (145)
similarity-search10
restructuredtext10
kuromoji10
linter10
elasticsearch10
backend10
visualizations10
markdown10
multilingual10
nosql10
solr10
tokenizer10
latex10
rest10
recommender-system10
Programming languages (14)
Github contributions (5)
johtani/kuromoji-cli
Feb 2020 - Apr 2020
Command line tool for Atilika's Kuromoji
Contributions:24 commits, 9 PRs, 23 pushes in 1 month
command-line-toolkuromoji
johtani/happeninghound
Jul 2024 - Apr 2026
Journaling anything with Bot on Slack
Contributions:1 review, 37 PRs, 36 pushes in 1 year 9 months
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