Tetsuya Shiraishi

VP, IT Project Manager, JRI America Inc.
Coppell, Texas,United States
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Who Is Tetsuya Shiraishi?

Total Experience9 years
CompanyJRI America Inc.
CountryUnited States

Tetsuya Shiraishi is a distinguished software engineer based in Tokyo, Japan, highly regarded for his substantial contributions to the Ruby and Ruby on Rails ecosystems. With extensive experience, notably at Cookpad, he has been instrumental in developing and scaling large-scale web services. Tetsuya is widely recognized as the creator of Kaminari, a popular and efficient pagination engine for Rails applications, and is a prolific open-source contributor. He is also a respected speaker at technology conferences, sharing his deep knowledge on software development, performance optimization, and web architecture.

Tetsuya Shiraishi LinkedIn pageCompany Website

How Did Tetsuya Shiraishi's Career Path Shape Their Journey?

Tetsuya Shiraishi's work history includes a series of influential roles in various companies. Here is a detailed list of his professional journey:

JRI America Inc. - VP, IT Project Manager(2025 to Present)
NRI IT Solutions America, Inc - Vice President of Business Development(2022 to 2025)
NRI IT - Senior Director Sales Marketing(2021 to 2022)
NRI IT Solutions America, Inc. - Senior Infrastructure Specialist(2015 to 2021)

What Are Tetsuya Shiraishi's Key Achievements?

Creator of Kaminari Gem

Authored Kaminari, a powerful, flexible, and widely-adopted scope-based pagination engine for Ruby on Rails and other Ruby web frameworks, simplifying data navigation for countless applications.

Key Engineering Figure at Cookpad

Played a significant role in the engineering team at Cookpad, Japan's largest recipe sharing service, contributing to its robust architecture, scalability, and performance improvements over many years.

Prolific Open Source Contributor

Actively contributes to numerous open-source projects within the Ruby community, sharing code, improvements, and fostering a collaborative development environment. His GitHub profile showcases a variety of projects and contributions.

Respected Conference Speaker

A regular and sought-after speaker at major Ruby and web technology conferences, such as RubyKaigi, sharing valuable insights, practical knowledge, and experiences with the global developer community.

Author and Technical Writer

Contributes technical articles and potentially book chapters related to Ruby, Rails, and software engineering, further disseminating his expertise.

What's Tetsuya Shiraishi's Educational Background?

No education information available.

Buying Intent Signals for Tetsuya Shiraishi

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Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance

Company Overview

JRI America Inc.
Total employees750
HeadquartersTrumbull
Founded2009

JRI America, Inc. is a wholly-owned subsidiary of the Japan Research Institute, Ltd. (JRI), which is a prominent Japanese IT services company and a key member of the Sumitomo Mitsui Financial Group (SMFG). JRI America provides a wide range of IT solutions, consulting, and services, primarily to financial institutions and other businesses in North America. Their offerings include systems development, application support, infrastructure management, IT strategy consulting, and leveraging emerging technologies to help clients achieve their business objectives. They serve as the North American IT hub for SMFG group companies.

Company Website
JRI America Inc. Funding Information
Unknown - Total Funding Raised
not applicable - Most recent funding amount
not applicable - Number of funding rounds
not applicable - Latest funding round
Lead Investors:
The Japan Research Institute, Ltd.

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