paiza
paiza is a Japanese company operating an IT engineer career, employment, and learning platform under the paiza brand.
Last updated September 27, 2026
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Overview
paiza is a Japanese corporate brand and platform operator focused on IT engineers and programming learners. The company behind the brand was founded in February 2012 by Ryohei Katayama and Keita Masumizu as Kabushiki Kaisha Startup Partners, renamed Gino Co., Ltd. in April 2013, and finally renamed paiza Co., Ltd. in March 2020. Its core service, paiza, began as a beta in July 2013 and launched officially in October 2013, initially as a career and job-matching service for engineers (now called paiza Tenshoku). Over the years the paiza brand expanded into learning, new-graduate recruitment, cloud development environments, and team learning tools. The paiza platform serves both individuals and companies. For engineers and learners, it offers programming skill checks, practice problems, video learning (paiza Learning), a new-graduate hiring track (paiza Shinsotsu), and a cloud development environment (PaizaCloud). For companies, it provides recruiting and DX support, including team learning plans and school passes for educational institutions. The company describes its mission as increasing the number of people who drive change and accelerating corporate evolution, aiming to be a unique growth platform that promotes continuous growth for people and companies. paiza has reached significant scale in Japan. Its registered user base surpassed 100,000 in March 2017, 200,000 in January 2019, 300,000 in February 2020, 400,000 in February 2021, 500,000 in March 2022, and 813,000 by December 2024. Its paiza Learning school pass program expanded to 800 schools across all 47 prefectures by March 2022. The company has received multiple awards, including the Japan e-Learning Grand Prize. In November 2025, Yuto Tachi became Representative Director, President and CEO. The company is headquartered in Toranomon, Tokyo, after moving from Kita-Aoyama in January 2024.
History
paiza's history begins in February 2012, when Ryohei Katayama and Keita Masumizu founded Kabushiki Kaisha Startup Partners. In April 2013, the company changed its name to Gino Co., Ltd. and raised approximately 50 million yen through a shareholder allotment. In July 2013, the beta version of paiza (now paiza Tenshoku) was launched, followed by the start of the paiza development blog in September. In October 2013, the trademark for paiza was registered and the service was officially launched. The first online hackathon was held in December 2013. In 2014, the company continued to raise funds and released practice problem features in July, with a patent registered in November. In February 2015, the beta version of paiza Video Learning (predecessor to paiza Learning) began, and in July 2015, paiza Shinsotsu (new graduate) was launched. In March 2016, a four-panel manga 'Paijo!' started serialization, and in April 2016, the programming learning game 'Code Girl Collection' was released. In February 2017, EN:TRY was launched and paiza Learning was officially provided; by March 2017, cumulative registered users exceeded 100,000. In December 2017, PaizaCloud was launched. In April 2018, paiza Learning, paiza Shinsotsu, and paiza.IO formed their first university partnership. In November 2018, paiza Learning won the 'Japan Electronic Publishing Association Chairman's Award' at the Japan e-Learning Grand Prize. In January 2019, cumulative users surpassed 200,000, and paiza Learning for TEAM (beta) was launched. In August 2019, paiza Learning School Free Pass was introduced, and in November 2019, paiza Learning won the 'ICT CONNECT21 Chairman's Award' at the Japan e-Learning Grand Prize. In January 2020, the office moved to Kita-Aoyama and an MBO was conducted by management. In February 2020, cumulative users surpassed 300,000. In March 2020, the company name was changed to paiza Co., Ltd., and paiza Learning for TEAM was officially launched. In September 2020, the School Free Pass reached 250 schools and about 28,500 users. In February 2021, cumulative users surpassed 400,000. In March 2021, the School Free Pass reached 345 schools and about 36,000 users, and the web media 'Tech Team Journal' started. In November 2021, paiza Learning won the 'Minister of Health, Labour and Welfare Award' at the Japan e-Learning Grand Prize. In March 2022, the School Free Pass reached 800 schools across all 47 prefectures with about 80,000 users, and cumulative paiza users surpassed 500,000. In January 2024, the office moved to Toranomon. In December 2024, cumulative paiza users surpassed 813,000. In November 2025, Yuto Tachi became Representative Director, President and CEO.
Founded as Kabushiki Kaisha Startup Partners by Ryohei Katayama and Keita Masumizu
Renamed to Gino Co., Ltd.; raised about 50 million yen
paiza beta version launched
Trademark registered and paiza officially launched
First online hackathon held
Practice problem feature released
Patent registered
paiza Video Learning beta (predecessor to paiza Learning) launched
paiza Shinsotsu launched
Four-panel manga 'Paijo!' started
Products and positioning
A unique growth platform for IT engineers and companies, promoting continuous growth and DX transformation.
paiza転職
Career change platform for IT engineers
paizaラーニング
Programming learning platform
paiza新卒
New graduate recruitment service
PaizaCloud
Cloud development environment
paiza.IO
Online programming execution environment
EN:TRY
Service for entry-level engineers
paizaラーニング for TEAM
Team learning plan for companies
paizaラーニング 学校フリーパス
School pass for educational institutions
コードガールこれくしょん
Programming learning game
Tech Team Journal
Web media solving engineering organization issues
Sources5 sources
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