{"company":{"id":50441,"name":"RAKUS","domain":"rakus.co.jp","url":"https://alion.io/company/rakus"},"answer":"RAKUS builds mostly with JavaScript, TypeScript, Java, Kotlin. Its stack also includes GitHub, GitHub Actions, PostgreSQL, Vitest. JavaScript is named in 3 of the 4 job postings RAKUS published in the last 12 months (75%). Counted by Alion from the job postings of RAKUS, updated Oct 1, 2026.","window_days":365,"postings_analysed":4,"open_postings":4,"technologies_in_use":41,"modernity_score":85,"ai_adoption":true,"technologies":[{"name":"Claude Code","layer":"tools","postings":3,"share":0.75,"required":3,"open_postings":3,"first_seen":"2026-09-14","last_seen":"2026-09-14","median_stated_pay_usd":null},{"name":"GitHub","layer":"cloud","postings":3,"share":0.75,"required":3,"open_postings":3,"first_seen":"2026-09-14","last_seen":"2026-09-14","median_stated_pay_usd":null},{"name":"JavaScript","layer":"languages","postings":3,"share":0.75,"required":2,"open_postings":3,"first_seen":"2026-09-14","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"Claude","layer":"ai","postings":2,"share":0.5,"required":2,"open_postings":2,"first_seen":"2026-09-14","last_seen":"2026-09-14","median_stated_pay_usd":null},{"name":"GitHub Actions","layer":"cloud","postings":2,"share":0.5,"required":2,"open_postings":2,"first_seen":"2026-09-14","last_seen":"2026-09-14","median_stated_pay_usd":null},{"name":"PostgreSQL","layer":"data","postings":2,"share":0.5,"required":2,"open_postings":2,"first_seen":"2026-09-14","last_seen":"2026-09-14","median_stated_pay_usd":null},{"name":"TypeScript","layer":"languages","postings":2,"share":0.5,"required":2,"open_postings":2,"first_seen":"2026-09-14","last_seen":"2026-09-14","median_stated_pay_usd":null},{"name":"Vitest","layer":"frameworks","postings":2,"share":0.5,"required":2,"open_postings":2,"first_seen":"2026-09-14","last_seen":"2026-09-14","median_stated_pay_usd":null},{"name":"Java","layer":"languages","postings":2,"share":0.5,"required":1,"open_postings":2,"first_seen":"2026-09-14","last_seen":"2026-09-14","median_stated_pay_usd":null},{"name":"AWS","layer":"cloud","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-09-14","last_seen":"2026-09-14","median_stated_pay_usd":null},{"name":"Adobe Photoshop","layer":"tools","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-09-24","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"Ansible","layer":"tools","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-09-14","last_seen":"2026-09-14","median_stated_pay_usd":null},{"name":"Apache HTTP Server","layer":"tools","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-09-14","last_seen":"2026-09-14","median_stated_pay_usd":null},{"name":"Apache Tomcat","layer":"tools","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-09-14","last_seen":"2026-09-14","median_stated_pay_usd":null},{"name":"CI/CD","layer":"practices","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-09-14","last_seen":"2026-09-14","median_stated_pay_usd":null},{"name":"ChatGPT","layer":"ai","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-09-14","last_seen":"2026-09-14","median_stated_pay_usd":null},{"name":"Copilot","layer":"tools","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-09-14","last_seen":"2026-09-14","median_stated_pay_usd":null},{"name":"Devin","layer":"tools","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-09-14","last_seen":"2026-09-14","median_stated_pay_usd":null},{"name":"ElasticSearch","layer":"data","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-09-14","last_seen":"2026-09-14","median_stated_pay_usd":null},{"name":"Figma","layer":"cloud","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-09-24","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"Fluentd","layer":"tools","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-09-14","last_seen":"2026-09-14","median_stated_pay_usd":null},{"name":"Ionic","layer":"frameworks","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-09-14","last_seen":"2026-09-14","median_stated_pay_usd":null},{"name":"JQuery","layer":"frameworks","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-09-14","last_seen":"2026-09-14","median_stated_pay_usd":null},{"name":"Kibana","layer":"cloud","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-09-14","last_seen":"2026-09-14","median_stated_pay_usd":null},{"name":"Kotlin","layer":"languages","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-09-14","last_seen":"2026-09-14","median_stated_pay_usd":null},{"name":"Kubernetes","layer":"cloud","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-09-14","last_seen":"2026-09-14","median_stated_pay_usd":null},{"name":"Linux","layer":"cloud","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-09-14","last_seen":"2026-09-14","median_stated_pay_usd":null},{"name":"MySQL","layer":"data","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-09-14","last_seen":"2026-09-14","median_stated_pay_usd":null},{"name":"Nginx","layer":"tools","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-09-14","last_seen":"2026-09-14","median_stated_pay_usd":null},{"name":"PHP","layer":"languages","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-09-24","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"Playwright","layer":"frameworks","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-09-14","last_seen":"2026-09-14","median_stated_pay_usd":null},{"name":"React.js","layer":"frameworks","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-09-14","last_seen":"2026-09-14","median_stated_pay_usd":null},{"name":"Spring Boot","layer":"frameworks","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-09-14","last_seen":"2026-09-14","median_stated_pay_usd":null},{"name":"Swagger","layer":"tools","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-09-14","last_seen":"2026-09-14","median_stated_pay_usd":null},{"name":"Swift","layer":"languages","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-09-14","last_seen":"2026-09-14","median_stated_pay_usd":null},{"name":"TanStack Router","layer":"frameworks","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-09-14","last_seen":"2026-09-14","median_stated_pay_usd":null},{"name":"Terraform","layer":"tools","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-09-14","last_seen":"2026-09-14","median_stated_pay_usd":null},{"name":"VMWare","layer":"cloud","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-09-14","last_seen":"2026-09-14","median_stated_pay_usd":null},{"name":"Windows","layer":"cloud","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-09-24","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"WordPress","layer":"tools","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-09-24","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"Python","layer":"languages","postings":1,"share":0.25,"required":0,"open_postings":1,"first_seen":"2026-09-14","last_seen":"2026-09-14","median_stated_pay_usd":null}],"own_products":[],"changes":{"first_appeared":[],"rising":[],"falling":[],"not_seen_180d":[]},"similar_stacks":[{"name":"Medley","url":"https://alion.io/company/medley/technologies","shared_technologies":30},{"name":"Trustbank","url":"https://alion.io/company/trustbank-co-jp/technologies","shared_technologies":29},{"name":"Hostinger","url":"https://alion.io/company/hostinger/technologies","shared_technologies":29},{"name":"VK","url":"https://alion.io/company/vk/technologies","shared_technologies":29},{"name":"Peoplemore","url":"https://alion.io/company/people-more-p-s-a/technologies","shared_technologies":30},{"name":"Money Forward","url":"https://alion.io/company/moneyforward/technologies","shared_technologies":34},{"name":"Comarch","url":"https://alion.io/company/comarch/technologies","shared_technologies":30},{"name":"Sensedia","url":"https://alion.io/company/sensedia/technologies","shared_technologies":29}],"html_url":"https://alion.io/company/rakus/technologies","json_url":"https://alion.io/company/rakus/technologies.json","license":"CC BY-SA 4.0","meta":{"source":"Alion","built_at":"2026-10-01T08:36:40Z","generated_at":"2026-10-01T13:20:46Z"}}