Image of Katsunobu Ishida

Katsunobu Ishida


Senior Software Engineer at Quartz

Brooklyn, New York, United States

Section title

Katsunobu Ishida's Email Addresses & Phone Numbers

Katsunobu Ishida's Work Experience

Ringolab Corporation


2003 to 2003

Tokyo, Japan

Curriki Japan

Executive Engineer

April 2013 to April 2014

Within 23 wards, Tokyo, Japan


Lead Engineer / Product Manager

September 2015 to April 2018


Katsunobu Ishida's Education

Waseda University

Master of Science (M.S.), Computer Science

2004 to 2006

Waseda University

Bachelor of Science (B.S.), Computer Science

2000 to 2004

Katsunobu Ishida's Professional Skills Radar Chart

Based on our findings, Katsunobu Ishida is ...

Cause-and-effect oriented

What's on Katsunobu Ishida's mind?

Based on our findings, Katsunobu Ishida is ...

52% Left Brained
48% Right Brained

Katsunobu Ishida's Estimated Salary Range

About Katsunobu Ishida's Current Company

Ringolab Corporation

Developed VoIP system.

Frequently Asked Questions about Katsunobu Ishida

What company does Katsunobu Ishida work for?

Katsunobu Ishida works for Ringolab Corporation

What is Katsunobu Ishida's role at Ringolab Corporation?

Katsunobu Ishida is Programmer

What is Katsunobu Ishida's personal email address?

Katsunobu Ishida's personal email address is i****[email protected]

What is Katsunobu Ishida's business email address?

Katsunobu Ishida's business email addresses are not available

What is Katsunobu Ishida's Phone Number?

Katsunobu Ishida's phone (212) ***-*161

What industry does Katsunobu Ishida work in?

Katsunobu Ishida works in the Computer Software industry.

Who are Katsunobu Ishida's colleagues?

Katsunobu Ishida's colleagues are Matthew Chamberlain, Adam Epstein, Jenni Avins, Aaron Klein, Annabelle Timsit, Yann Tong, Henry Brown, Anne Quito, Dave Gershgorn, and Kabir Chibber

About Katsunobu Ishida

📖 Summary

Programmer @ Ringolab Corporation Developed VoIP system. From 2003 to 2003 (less than a year) Tokyo, JapanExecutive Engineer @ Curriki Japan Developed the web service and managed the engineering sector. (Curriki is a NPO which provides open educational resources, has over 350,000 educator, parent, and student members, and has garnered over 8.5 million visits from around the world.) From April 2013 to April 2014 (1 year 1 month) Within 23 wards, Tokyo, JapanLead Engineer / Product Manager @ Freelance - Initiated, planned, engineered, developed an iOS app regarding (mainly Japanese) education industry with English speaking multinational team in Southeast Asia. Also managed product backlog, conducted Japanese user interviews, analyzed user behavior, engineered KPI and developed KPI dashboard.- Counseled an educational industry startup, which aimed at connecting human resources with projects across the US, Japan and other countries, on verifying hypotheses before P/M Fit using Lean Canvas, unscalable MVP, and participated Y Combinator startup school as lead engineer member.- Developed an Android app about mobile ads used by 1M+ users with English speaking multinational team in Southeast Asia. Also managed development team and facilitated Agile/Scrum development method. From September 2015 to April 2018 (2 years 8 months) PhilippinesSoftware Engineer @ Money Forward, Inc. Developed "MoneyForward", iOS and Android applications about Personal Finance Management used by 2 million users.Promoted Agile/Scrum development method and supported development team as Scrum Master.Analyzed data and developed dashboard as Growth Hacker. From April 2014 to August 2015 (1 year 5 months) Within 23 wards, Tokyo, JapanSoftware Engineer @ Freelance Developed iOS, Android and web applications. Some of them include:- "Rogan Browser", an Android application which is aged-eyes-friendly web browser. "Timenote", an iOS application which is a time management tool. MedTech web service using Ruby on Rails. From August 2012 to September 2014 (2 years 2 months) Within 23 wards, Tokyo, JapanSoftware Engineer and Project Manager @ Utagoe Inc. Some of the projects I developed and managed include:- "Moment Diary"​ (Diary application for iOS and Android which achieves tens of millions downloads). - iOS applications using SQLite, In-App Purchase, Quarz 2D and HTTP Live Streaming. Additionally, developed servers for iOS HTTP Live Streaming using FFmpeg, VLC, Wowza Media Server and Jetty.- Web applications including CMS or SNS using PHP, CakePHP, JavaScript, jQuery, HTML, CSS, Apache, MySQL, memcached, Amazon S3, OpenPNE or Linux.- "mangaApp"​ (manga viewer for iOS). ""​ (Flash-based web conference service which requires only 400 kbps for 24 people at once) using Flash, Flex, ActionScript, PHP, CakePHP, JavaScript, prototype.js, HTML, CSS, memcached, Wowza Media Server, Linux, Apache and MySQL. "Utagoe Live 100"​ (Flash-based 100+ simultaneous-display video communication web service) using the same technologies as Melodic search engine using Java, C and Linux.- "UG Live / Ocean Grid" (P2P-based live video distribution system which can deliver contents to tens of thousands people at once with a bit of servers) using Java, VC++, Windows Media Player, JavaScript, HTML, CSS, Java Applet, Flash, Windows, Linux and Mac. From April 2006 to July 2012 (6 years 4 months) Tokyo, JapanSoftware Engineer @ Utagoe Inc. Ported melodic search engine to AIBO (four-legged programable dog robot).
Developed “UG Live / Ocean Grid” (P2P-based live video distribution system). From 2004 to March 2006 (2 years) Senior Software Engineer @ Quartz (NewsPicks USA was merged with Quartz.)- E-2 visa.- Designed, coordinated, and programmed iOS and Android app functionalities. (Swift, Kotlin, GraphQL, Rest API)- Designed, coordinated, and programmed the server-side APIs. (Java, Spring Framework, AWS EC2, S3, RDS, DynamoDB, RedShift, SQS, CloudWatch)- Analyzed KPI related data (RedShift, PostgreSQL, Jupyter Notebook, Python)- Designed, coordinated, and programmed internal system web app used by editors. (React.js, Node.js, GraphQL, AWS EC2, S3, RDS, DynamoDB)- Built, processed, and operated continuous integration systems for iOS and Android apps. Greater New York City AreaSenior Software Engineer @ NewsPicks USA, LLC - O-1A visa.- Localized the original Japanese version of NewsPicks service (iOS, Android, and backend) for launch in the US only with CTO.- Designed, coordinated, and programmed iOS and Android versions of the product which incorporated the NewsPicks functionality. (Swift, Objective-C, Kotlin, Java)- Designed, coordinated, and programmed the server-side APIs. (Java, Spring Framework, AWS EC2, S3, RDS, DynamoDB, RedShift, SQS, CloudWatch)- Designed and programmed additional functionalities for a recommendation engine, which uses Collaborative-filtering &Contents-base algorithms. (Ruby, RunDeck, AWS EC2, DynamoDB)- Designed, coordinated, and programmed internal system web app used by editors. (Angular.js, AWS EC2, S3, RDS, DynamoDB) From August 2017 to April 2019 (1 year 9 months) Greater New York City Area

Katsunobu Ishida’s Personal Email Address, Business Email, and Phone Number

are curated by ContactOut on this page.

10x your recruitment & sales conversations

Contact over 200M professionals
instantly by email or phone. Reveal
personal & work email addresses, as
well as phone numbers accurately with
our ContactOut Chrome extension.

In a nutshell

Katsunobu Ishida's Personality Type

Introversion (I), Sensing (S), Thinking (T), Perceiving (P)

Average Tenure

2 year(s), 3 month(s)

Katsunobu Ishida's Willingness to Change Jobs



Open to opportunity?

There's 96% chance that Katsunobu Ishida is seeking for new opportunities

Katsunobu Ishida's Social Media Links

/company/q... /school/%e...
Engage candidates 10x faster

Enjoy unlimited access and discover candidates outside of LinkedIn

Trusted by 400K users from

76% of Fortune 500 companies

Microsoft Nestle PWC JP Morgan Merck Rackspace WarnerMedia Randstad Yelp Google

The most accurate data ever

CCPA Compliant
GDPA Aligned
150M Personal Emails
300M Work Emails
50M Direct Dials
200M Professional Profiles
30M Company Profiles

Hire Anyone, Anywhere
with ContactOut today

Making remote or global hires? We can help.

  • 50 contacts/month
  • Works on standard LinkedIn only
  • Work emails, personal emails, mobile numbers
* 1 user per company limit

No credit card required

Try ContactOut for Free