--- title: "Which companies in Japan use JavaScript?" description: "株式会社ヘルスベイシス, Aquent, Rakuten, 株式会社テイクス and more. 1,254 companies hiring in Japan whose own job postings show they use JavaScript: 406 confirmed, 848 likely." canonical: https://jobspipe.dev/technologies/javascript/jp --- # Which companies in Japan use JavaScript? > 株式会社ヘルスベイシス, Aquent, Rakuten, 株式会社テイクス and more. 1,254 companies hiring in Japan whose own job postings show they use JavaScript: 406 confirmed, 848 likely. Updated daily from live postings. **Canonical URL:** https://jobspipe.dev/technologies/javascript/jp 1,254 companies with postings in Japan use JavaScript according to their own job postings: 406 confirmed and 848 likely. The 20 listed below are confirmed users with at least 2 postings and a verified website; the rest are counted here but not named. - **Confirmed companies:** 406 - **Likely companies:** 848 - **Category:** Programming languages - **As of:** 25 Sep 2026 ## Companies using JavaScript | # | Company | Postings naming it | Last seen | |---|---|---|---| | 1 | [株式会社ヘルスベイシス](https://jobspipe.dev/hiring/h-basis.co.jp) | 326 | 4 Nov 2026 | | 2 | [Aquent](https://jobspipe.dev/hiring/aquent.com) | 318 | 6 Nov 2026 | | 3 | [Rakuten](https://jobspipe.dev/hiring/global.rakuten.com) | 98 | 5 Nov 2026 | | 4 | [株式会社テイクス](https://jobspipe.dev/hiring/takes.ne.jp) | 76 | 5 Nov 2026 | | 5 | [Sony Interactive Entertainment](https://jobspipe.dev/hiring/sonyinteractive.com) | 62 | 3 Nov 2026 | | 6 | [G Talent](https://jobspipe.dev/hiring/gtalent.jp) | 50 | 1 Nov 2026 | | 7 | [Litmus](https://jobspipe.dev/hiring/litmus.io) | 28 | 22 Oct 2026 | | 8 | [Antithesis](https://jobspipe.dev/hiring/antithesis.com) | 15 | 7 Oct 2026 | | 9 | [Randstad Japan](https://jobspipe.dev/hiring/randstad.co.jp) | 13 | 6 Nov 2026 | | 10 | [PERSOL CAREER BRS (Bilingual Recruitment Solutions)](https://jobspipe.dev/hiring/brs-p.jp) | 9 | 30 Oct 2026 | | 11 | [RISE for Career - Jobs in Japan for Foreign Engineers](https://jobspipe.dev/hiring/risefor-career.com) | 8 | 4 Nov 2026 | | 12 | [o9 Solutions](https://jobspipe.dev/hiring/o9solutions.com) | 7 | 28 Oct 2026 | | 13 | [Startale Group](https://jobspipe.dev/hiring/startale.com) | 7 | 1 Nov 2026 | | 14 | [RAKSUL](https://jobspipe.dev/hiring/corp.raksul.com) | 5 | 28 Oct 2026 | | 15 | [レバテック株式会社](https://jobspipe.dev/hiring/levtech.jp) | 5 | 5 Nov 2026 | | 16 | [Build+](https://jobspipe.dev/hiring/build.inc) | 3 | 20 Oct 2026 | | 17 | [Globalstyle](https://jobspipe.dev/hiring/glstyle.co.jp) | 3 | 16 Oct 2026 | | 18 | [HYBE JAPAN](https://jobspipe.dev/hiring/hybecorp.com) | 3 | 5 Nov 2026 | | 19 | [PeopleX Inc. Active Connector Group](https://jobspipe.dev/hiring/active-connector.com) | 3 | 3 Nov 2026 | | 20 | [株式会社カオナビ](https://jobspipe.dev/hiring/corp.kaonavi.jp) | 3 | 26 Sep 2026 | ## By country - [United States](https://jobspipe.dev/technologies/javascript/us) - [India](https://jobspipe.dev/technologies/javascript/in) - [Canada](https://jobspipe.dev/technologies/javascript/ca) - [United Kingdom](https://jobspipe.dev/technologies/javascript/gb) - [Germany](https://jobspipe.dev/technologies/javascript/de) - [Brazil](https://jobspipe.dev/technologies/javascript/br) - [Mexico](https://jobspipe.dev/technologies/javascript/mx) - [France](https://jobspipe.dev/technologies/javascript/fr) - [Singapore](https://jobspipe.dev/technologies/javascript/sg) Worldwide: [Which companies use JavaScript?](https://jobspipe.dev/technologies/javascript) ## Related - [Companies hiring JavaScript roles in the last 30 days](https://jobspipe.dev/hiring/technology/javascript) ## FAQ ### How many companies use JavaScript in Japan? 1,254 companies in Japan have job postings that show they use JavaScript, as of 25 Sep 2026. 406 are confirmed and 848 are likely. ### Which companies use JavaScript in Japan? 株式会社ヘルスベイシス, Aquent, Rakuten, 株式会社テイクス, Sony Interactive Entertainment are among the confirmed JavaScript users with the most postings naming it in Japan. The full list on this page names 20 companies. ### How does JobsPipe know a company uses JavaScript? 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 JavaScript 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 JavaScript, 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":["javascript"],"tier_min":"confirmed","company_country_code_or":["JP"],"limit":25}' ``` --- Try it with no key: `curl -d '{"limit":3}' https://api.jobspipe.dev/v1/sandbox/jobs/search`. AI agents: the full machine-readable index of this site is https://jobspipe.dev/llms.txt?src=md-twin - API quickstart, MCP server, pricing. Free key (1,000 jobs to start): https://jobspipe.dev/signup