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Yuku Takahashi

Software Engineer

Summary

Energetic software engineer with 7+ years experiences developing Web applications and with 2+ years experiences developing recommender system.

Work Experiences

FLYWHEEL

Tokyo, Japan
Software Engineer
2019/02 - Current
  • Designed and maintained data pipeline for a recommender system that handles 1M+ products.
  • Improved the performance of the recommender system by data driven analyzation.
  • Implemented a chatbot for internal use and drive chatops culture in the company.
  • Automated complex deployment workflow that can be triggered by chat.

Tools:PythonTypeScriptApache SparkApache PulsargRPCKubernetesBazelSlack BoltAWSGCP

Increments

Tokyo, Japan
CTO, Senior Software Engineer
2013/04 - 2019/01

The first employee of the company. As a CTO (2014/01 - 2017/05):

  • Formulated software engineer job ladder.
  • Performed internal audits and documented results.
  • Managed and addressed engineer hiring issues.
  • Successfully mentored 10+ engineers.
  • Wrote tech specs and identified risks before starting major projects.

As a Software Engineer:

  • Developed qiita.com and grown the site scale 100+ times.
  • Designed scalable system on AWS.
  • Designed an architecture of systems based on DDD and Clean Architecture.
  • Released 10+ OSS projects to GitHub and continuously maintained them.
  • Documented in-house technology and worked on reducing implicit knowledge.
  • Wrote tests for sustainable development.
  • Diagnose and resolve technical issues.
  • Work well within a team environment, showing solid relationship-building skills.

Tools:RubyTypeScriptRuby on RailsAWS

Google Japan

Tokyo, Japan
Summer Internship
2012/08 - 2012/09

As a member of the Chrome team, worked on a project to investigate how web browsers are utilized in real world.

Hatena

Kyoto, Japan
Part-time Job
2010/08 - 2013/03

Designed and implemented a system that manages 5,000+ servers.

Education

Kyoto University, Japan

M.S. in Social Informatics
2010/04 - 2011/09

Kyoto University, Japan

B.S. in Information Science
2006/04 - 2010/03

Publication

Journal Papers

  • Evaluating Significance of Historical Entity using Wikipedia Link Structure
    Yuku Takahashi, Hiroaki Ohshima, Mitsuo Yamamoto, Hirotoshi Iwasaki, Satoshi Oyama, Katsumi Tanaka
    Journal of the DBSJ, Vol. 10, No. 1, pp. 25 -- 30, June 2011
  • Evaluating Significance of Historical Entities Based on Impacts Calculation
    Yuku Takahashi, Hiroaki Ohshima, Mitsuo Yamamoto, Hirotoshi Iwasaki, Satoshi Oyama, Katsumi Tanaka
    Journal of the IPSC, Vol. 52, No. 12, pp. 3542 -- 3557, December 2011
  • Extraction and Geographical Navigation of Important Historical Events in the Web
    Mitsuo Yamamoto, Yuku Takahashi, Hirotoshi Iwasaki, Satoshi Oyama, Hiroaki Ohshima, Katsumi Tanaka Katsumi Tanaka
    Transactions in GIS, Blackwell Publishing Ltd, 2011

Conference Papers

  • Evaluating Significance of Historical Entities Based on Tempo-Spatial Impacts Using Wikipedia Link Structure
    Yuku Takahashi, Hiroaki Ohshima, Mitsuo Yamamoto, Hirotoshi Iwasaki, Satoshi Oyama, Katsumi Tanaka
    The 22nd ACM Conference on Hypertext and Hypermedia (HT2011), June, 2011
  • Extraction and Geographical Navigation of Important Historical Events in the Web
    Mitsuo Yamamoto, Yuku Takahashi, Hirotoshi Iwasaki, Satoshi Oyama, Hiroaki Ohshima, Katsumi Tanaka
    The 10th International Symposium on Web & Wireless Geographical Information Systems (W2GIS2011), LNCS 6574, pp.21-35, March, 2011

Magazine

  • 切りひらくRuby 第7回 ElasticsearchをRubyから使おう
    髙橋侑久
    WEB+DB PRESS Vol. 87
  • 切りひらくRuby 第10回 RailsでReactを使う
    髙橋侑久
    WEB+DB PRESS Vol. 90