Ken Takagiwa

The Apache Software Foundation / Spark contributor

Kanagawa

Ken Takagiwa

The Apache Software Foundation / Spark contributor

Kanagawa

Ken Takagiwa

The Apache Software Foundation / Spark contributor

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Ever tried. Ever failed. No matter. Try again. Fail again. Fail better.

Ken is a full stack engineer but focusing backend. He has worked several startups and big company since he was a freshman. He has experienced design, marketing, programming in these startups. He was selected to Cisco International Internship Program(CIIP) in 2013. CIIP gathers outstanding students from all over the world and lets them work CiscoHQ as a full time internship for one year. He worked under Enterprise Network Gear - Software Defined Network.

In the future

Ambition

In the future

Build a tech startup in Silicon Valley which changes the world.

May 2014
-
Present

Spark contributor
Present

May 2014 -

Present

Apache Spark is a fast and general engine for large-scale data processing. It provides rich API(Scala/Java, Python) and good documentations. I am mainly contributing to Python API for Spark Streaming. See detail below https://github.com/apache/spark/pull/2538 https://issues.apache.org/jira/browse/SPARK-2377

Aug 2012
-
Present

Codeal,inc

8 years

Chief Architect(co-founder)
Present

Aug 2012 -

Present

• Launched three different job matching sites in the IT field: "Engineer Intern"(URL: http://engineer-intern.jp/), “Engineer Shukatu”(URL: http://engineer-shukatu.jp/) and “Engineer Tenshoku”(URL: http://engineer-tenshoku.jp/) . • Developed and maintained the backend of three services for finding the best job in IT field on top of Amazon EC2 all by myself.

Sept 2015
-
Dec 2015

Sept 2015 - Dec 2015

Developed IoT gateway to manage heterogenious sensors Desgined architecture for scalibility Implemented distributed search for IoT sensors

July 2015
-
Aug 2015

Research Intern

July 2015 - Aug 2015

Evaluate Active Queue Management and Explicit Congestion Notification toward HTTP live streaming such as Mpeg Dash. Develop a Golang client for concurrent requests which scale thousands of clients. Develop full automated evaluation program by Python.

July 2013
-
July 2014

Software engineer (Intern)

July 2013 - July 2014

• Be in charge of release and build for Application Policy Infrastructure Controller-Enterprise Module (APIC-EM), SDN controller application for enterprise, and managed team infrastructure to let our team develop seamlessly in Cloud Virtualization Group (CVG). • Designed and developed contentious integration system and scalable update system for APIC-EM in CVG.

Mar 2013

Keio University

BS System Design Engineering

Mar 2013

Be in charge of all technical matter in Horiemon(Takafumi Horie) lecture in Mitasai 2010 Managed Internet Business Research Group as the president in 2010 Managed GENE as the president in 2011

Nov 2011
-
Jan 2012

Marketing assistant (Intern)

Nov 2011 - Jan 2012

• Interviewed with the CEOs of 20 IT startups as a part of marketing research project and discovered the latest trend of startup companies in Plug and Play Tech Center, an incubation center. • Analyzed the incubation trend in Silicon Valley and recommended to improve environment to focus on serial entrepreneurs in order to get new residents in Plug and Play Tech Center.

Apr 2009
-
July 2011

Web creator(Intern)

Apr 2009 - July 2011

• Developed and maintained a portal donation site, which raised 1,150 dollars donation for non-profit organizations (NPO) in 2010. • Redesigned and implemented most of frontend of the donation site.


Skills and qualities

データマイニング

Recommended by Coichi Machida
1

ネットワーク

Recommended by Coichi Machida
1

インフラ

Recommended by Coichi Machida
1

データベース

Recommended by Coichi Machida
1

Network

Recommended by Coichi Machida
1

AngularJS, Python, Scala

 and 10 skills

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Accomplishments/Portfolio

DoR Deep packet Inspection On the Router

コデアル

NEGI

Interop Traffic Analytics dashboard

Apache Spark

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Languages

English - Professional, Japanese - Native