Kenji Ohtsuka

EYS-STYLE Co. / CTO

Kenji Ohtsuka

EYS-STYLE Co. / CTO

Kenji Ohtsuka

EYS-STYLE Co. / CTO

This user is using the new profile.

Join our Beta test to try out our new profile.

Join
Oct 2016
-
Present

CTO
Present

Oct 2016 -

Present

Developing web server with Kotlin. Developing Smart Contract on Etherum Blockchain with Solidity.

Sept 2015
-
Sept 2016

engineer

Sept 2015 - Sept 2016

I used Machine Learning, Speech Recognition, Swift, Kotlin, Ruby on Rails, Golang and Spring. And created server and iphone application. I used Python and Chainer mainly in Machine Learning, and used HTK in Speech Recognition. Also I'm committed in design with SASS and HTML5, of course javascript.

Apr 2014
-
Aug 2015

Apr 2014 - Aug 2015

I managed the team, which is responsible for building and updating shop page. I created shop pages with FuelPHP, PHPUnit, python, Selenium, groonga, cassandra and MySQL, and introduced XP development style into the team. I created Android application and Android wear application.

Jan 2013
-
Mar 2014

Jan 2013 - Mar 2014

Created the business system and the social system with Ruby on Rails, PostgreSQL and MySQL. Ruby on Rails, PostgreSQL, MySQL を使用して 基幹システム及びSNS作成を行った。

July 2009
-
Nov 2012

July 2009 - Nov 2012

Created business systems and the framework which is used in Nisseicom. 基幹システムの構築や、社内で使用するフレームワークの作成を行った。 Technologies I used are Visual Basic .Net, VBA, ASP .NET, Visual C#, JScript, VBScript, Oracle Database, SQLServer and its reporting service, Crystal Report, Microsoft Access and so on. I also used machine specific language that was used in HT-3000W, which is handy terminal made by Keyence.

Apr 2008
-
Dec 2008

Apr 2008 - Dec 2008

Financial Planner ファイナンシャルプランナー 損害保険、生命保険、少額短期保険募集

Mar 2008

京都大学

理学部 数学系

Mar 2008

主に代数学

Mar 2004

Gifu High School

Mar 2004


Skills and qualities

JavaScript

Recommended by Yuko Miyazawa
1

MySQL

Recommended by Yuko Miyazawa
1

ベイズ統計

Recommended by 水越岳人
1

CSS3

Recommended by Yuko Miyazawa
1

HTML5

Recommended by Yuko Miyazawa
1

Publications

Git でマージされたリモートブランチを削除 (mac)

Nov 2020

分類の項目一覧・分類表ヘッダを作る (Python)

Nov 2020

HTML を構造的にテキストにする JavaScript

Nov 2020

当社のフロントエンドエンジニアの業務範囲

Sept 2020

当社ではこのように Slack を活用しています

Aug 2020

Show more

Awards and Certifications

ソムリエアドバイザー

Dec 2016

Cosminexus Certified Consultant

Dec 2015

優秀賞 (at Gurunavi, Inc)

May 2014

システム技術賞 (at Nisseicom, Limited)

May 2011

証券外務員2種

Mar 2008

Show more


Languages

English - Professional, Japanese - Native, Other - Conversational, Chinese - Conversational, Spanish - Conversational