--- title: "Which companies in Japan use React?" description: "株式会社カオナビ and more. 457 companies hiring in Japan whose own job postings show they use React: 15 confirmed, 442 likely. Updated daily from live postings." canonical: https://jobspipe.dev/technologies/react/jp --- # Which companies in Japan use React? > 株式会社カオナビ and more. 457 companies hiring in Japan whose own job postings show they use React: 15 confirmed, 442 likely. Updated daily from live postings. **Canonical URL:** https://jobspipe.dev/technologies/react/jp 457 companies with postings in Japan use React according to their own job postings: 15 confirmed and 442 likely. The 1 listed below are confirmed users with at least 2 postings and a verified website; the rest are counted here but not named. - **Confirmed companies:** 15 - **Likely companies:** 442 - **Category:** Web frameworks - **As of:** 25 Sep 2026 ## Companies using React | # | Company | Postings naming it | Last seen | |---|---|---|---| | 1 | [株式会社カオナビ](https://jobspipe.dev/hiring/corp.kaonavi.jp) | 12 | 25 Sep 2026 | ## By country - [United States](https://jobspipe.dev/technologies/react/us) - [India](https://jobspipe.dev/technologies/react/in) - [United Kingdom](https://jobspipe.dev/technologies/react/gb) - [Canada](https://jobspipe.dev/technologies/react/ca) - [Brazil](https://jobspipe.dev/technologies/react/br) - [Mexico](https://jobspipe.dev/technologies/react/mx) - [Germany](https://jobspipe.dev/technologies/react/de) - [Singapore](https://jobspipe.dev/technologies/react/sg) - [France](https://jobspipe.dev/technologies/react/fr) Worldwide: [Which companies use React?](https://jobspipe.dev/technologies/react) ## Related - [React by industry, country and company size](https://jobspipe.dev/companies-using/react) - [Companies hiring React roles in the last 30 days](https://jobspipe.dev/hiring/technology/react) ## FAQ ### How many companies use React in Japan? 457 companies in Japan have job postings that show they use React, as of 25 Sep 2026. 15 are confirmed and 442 are likely. ### Which companies use React in Japan? 株式会社カオナビ are among the confirmed React users with the most postings naming it in Japan. The full list on this page names 1 companies. ### How does JobsPipe know a company uses React? From the company's own job postings. Each posting is read for the technologies it names, and every company and technology pair is graded: confirmed when two independent checks agree on React in at least one posting, likely when it is a stated requirement or appears in two separate postings. A single passing mention is not counted here. It is evidence of a team working with React, not a purchase record. ## Reproduce ```bash curl -X POST https://api.jobspipe.dev/v1/companies/search -H "Authorization: Bearer $JOBSPIPE_API_KEY" -H "Content-Type: application/json" -d '{"company_technology_slug_or":["react"],"tier_min":"confirmed","company_country_code_or":["JP"],"limit":25}' ``` --- AI agents: the full machine-readable index of this site is https://jobspipe.dev/llms.txt?src=md-twin - API quickstart, no-key sandbox (POST https://api.jobspipe.dev/v1/sandbox/jobs/search), MCP server, pricing. Free key: https://jobspipe.dev/signup