{"company":{"id":2637804,"name":"Rebase","domain":"rebase.co.jp","url":"https://alion.io/company/rebase-co-jp"},"answer":"Rebase builds mostly with JavaScript, Ruby, TypeScript, Go. Its stack also includes React.js, AWS, AWS Lambda, Amazon Aurora. JavaScript is named in 4 of the 4 job postings Rebase published in the last 12 months (100%). Counted by Alion from the job postings of Rebase, updated Oct 8, 2026.","window_days":365,"postings_analysed":4,"open_postings":4,"technologies_in_use":49,"modernity_score":86,"ai_adoption":true,"technologies":[{"name":"Claude Code","layer":"tools","postings":4,"share":1,"required":3,"open_postings":4,"first_seen":"2026-01-14","last_seen":"2026-05-15","median_stated_pay_usd":null},{"name":"JavaScript","layer":"languages","postings":4,"share":1,"required":1,"open_postings":4,"first_seen":"2026-01-14","last_seen":"2026-05-15","median_stated_pay_usd":null},{"name":"React.js","layer":"frameworks","postings":4,"share":1,"required":0,"open_postings":4,"first_seen":"2026-01-14","last_seen":"2026-05-15","median_stated_pay_usd":null},{"name":"AWS","layer":"cloud","postings":2,"share":0.5,"required":2,"open_postings":2,"first_seen":"2026-01-14","last_seen":"2026-05-15","median_stated_pay_usd":null},{"name":"AWS Lambda","layer":"cloud","postings":2,"share":0.5,"required":2,"open_postings":2,"first_seen":"2026-01-14","last_seen":"2026-05-15","median_stated_pay_usd":null},{"name":"Amazon Aurora","layer":"data","postings":2,"share":0.5,"required":2,"open_postings":2,"first_seen":"2026-01-14","last_seen":"2026-05-15","median_stated_pay_usd":null},{"name":"Amazon ECS","layer":"cloud","postings":2,"share":0.5,"required":2,"open_postings":2,"first_seen":"2026-01-14","last_seen":"2026-05-15","median_stated_pay_usd":null},{"name":"BigQuery","layer":"data","postings":2,"share":0.5,"required":2,"open_postings":2,"first_seen":"2026-01-14","last_seen":"2026-05-15","median_stated_pay_usd":null},{"name":"CI/CD","layer":"practices","postings":2,"share":0.5,"required":2,"open_postings":2,"first_seen":"2026-01-14","last_seen":"2026-05-15","median_stated_pay_usd":null},{"name":"Devin","layer":"tools","postings":2,"share":0.5,"required":2,"open_postings":2,"first_seen":"2026-01-14","last_seen":"2026-05-15","median_stated_pay_usd":null},{"name":"Figma","layer":"cloud","postings":2,"share":0.5,"required":2,"open_postings":2,"first_seen":"2026-01-14","last_seen":"2026-04-06","median_stated_pay_usd":null},{"name":"Firebase","layer":"cloud","postings":2,"share":0.5,"required":2,"open_postings":2,"first_seen":"2026-01-14","last_seen":"2026-05-15","median_stated_pay_usd":null},{"name":"Google BigQuery","layer":"data","postings":2,"share":0.5,"required":2,"open_postings":2,"first_seen":"2026-01-14","last_seen":"2026-05-15","median_stated_pay_usd":null},{"name":"Next.js","layer":"frameworks","postings":2,"share":0.5,"required":2,"open_postings":2,"first_seen":"2026-01-14","last_seen":"2026-05-15","median_stated_pay_usd":null},{"name":"React Native","layer":"frameworks","postings":2,"share":0.5,"required":2,"open_postings":2,"first_seen":"2026-01-14","last_seen":"2026-05-15","median_stated_pay_usd":null},{"name":"Ruby","layer":"languages","postings":2,"share":0.5,"required":2,"open_postings":2,"first_seen":"2026-01-14","last_seen":"2026-05-15","median_stated_pay_usd":null},{"name":"Ruby on Rails","layer":"frameworks","postings":2,"share":0.5,"required":2,"open_postings":2,"first_seen":"2026-01-14","last_seen":"2026-05-15","median_stated_pay_usd":null},{"name":"TypeScript","layer":"languages","postings":2,"share":0.5,"required":2,"open_postings":2,"first_seen":"2026-01-14","last_seen":"2026-05-15","median_stated_pay_usd":null},{"name":"shadcn/ui","layer":"frameworks","postings":2,"share":0.5,"required":2,"open_postings":2,"first_seen":"2026-01-14","last_seen":"2026-04-06","median_stated_pay_usd":null},{"name":"Copilot","layer":"tools","postings":2,"share":0.5,"required":1,"open_postings":2,"first_seen":"2026-01-14","last_seen":"2026-05-15","median_stated_pay_usd":null},{"name":"GCP","layer":"cloud","postings":2,"share":0.5,"required":1,"open_postings":2,"first_seen":"2026-01-14","last_seen":"2026-05-15","median_stated_pay_usd":null},{"name":"Radix UI","layer":"frameworks","postings":2,"share":0.5,"required":0,"open_postings":2,"first_seen":"2026-01-14","last_seen":"2026-04-06","median_stated_pay_usd":null},{"name":"Tailwind CSS","layer":"frameworks","postings":2,"share":0.5,"required":0,"open_postings":2,"first_seen":"2026-01-14","last_seen":"2026-04-06","median_stated_pay_usd":null},{"name":"AWS Fargate","layer":"cloud","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-01-14","last_seen":"2026-01-14","median_stated_pay_usd":null},{"name":"Amazon CloudWatch","layer":"cloud","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-01-14","last_seen":"2026-01-14","median_stated_pay_usd":null},{"name":"Amazon EC2","layer":"cloud","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-01-14","last_seen":"2026-01-14","median_stated_pay_usd":null},{"name":"Amazon S3","layer":"cloud","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-01-14","last_seen":"2026-01-14","median_stated_pay_usd":null},{"name":"ChatGPT","layer":"ai","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-01-14","last_seen":"2026-01-14","median_stated_pay_usd":null},{"name":"CircleCI","layer":"tools","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-01-14","last_seen":"2026-01-14","median_stated_pay_usd":null},{"name":"Claude","layer":"ai","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-05-15","last_seen":"2026-05-15","median_stated_pay_usd":null},{"name":"Cursor","layer":"tools","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-01-14","last_seen":"2026-01-14","median_stated_pay_usd":null},{"name":"ElasticSearch","layer":"data","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-01-14","last_seen":"2026-01-14","median_stated_pay_usd":null},{"name":"GitHub","layer":"cloud","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-01-14","last_seen":"2026-01-14","median_stated_pay_usd":null},{"name":"GitHub Actions","layer":"cloud","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-05-15","last_seen":"2026-05-15","median_stated_pay_usd":null},{"name":"Go","layer":"languages","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-01-14","last_seen":"2026-01-14","median_stated_pay_usd":null},{"name":"GraphQL","layer":"tools","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-01-14","last_seen":"2026-01-14","median_stated_pay_usd":null},{"name":"Netlify","layer":"cloud","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-01-14","last_seen":"2026-01-14","median_stated_pay_usd":null},{"name":"Nginx","layer":"tools","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-01-14","last_seen":"2026-01-14","median_stated_pay_usd":null},{"name":"Node JS","layer":"languages","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-01-14","last_seen":"2026-01-14","median_stated_pay_usd":null},{"name":"NumPy","layer":"frameworks","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-01-14","last_seen":"2026-01-14","median_stated_pay_usd":null},{"name":"OpenAI","layer":"cloud","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-01-14","last_seen":"2026-01-14","median_stated_pay_usd":null},{"name":"OpenSearch","layer":"data","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-01-14","last_seen":"2026-01-14","median_stated_pay_usd":null},{"name":"Pandas","layer":"frameworks","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-01-14","last_seen":"2026-01-14","median_stated_pay_usd":null},{"name":"PostgreSQL","layer":"data","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-01-14","last_seen":"2026-01-14","median_stated_pay_usd":null},{"name":"PyTorch","layer":"frameworks","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-01-14","last_seen":"2026-01-14","median_stated_pay_usd":null},{"name":"Python","layer":"languages","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-01-14","last_seen":"2026-01-14","median_stated_pay_usd":null},{"name":"Redis","layer":"data","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-01-14","last_seen":"2026-01-14","median_stated_pay_usd":null},{"name":"Scala","layer":"languages","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-05-15","last_seen":"2026-05-15","median_stated_pay_usd":null},{"name":"Scikit-learn","layer":"frameworks","postings":1,"share":0.25,"required":1,"open_postings":1,"first_seen":"2026-01-14","last_seen":"2026-01-14","median_stated_pay_usd":null}],"own_products":[],"changes":{"first_appeared":[],"rising":[],"falling":[],"not_seen_180d":[{"name":"Figma","last_seen":"2026-04-06"},{"name":"shadcn/ui","last_seen":"2026-04-06"},{"name":"Radix UI","last_seen":"2026-04-06"},{"name":"Tailwind CSS","last_seen":"2026-04-06"}]},"similar_stacks":[{"name":"Leverages","url":"https://alion.io/company/leverages-jp/technologies","shared_technologies":37},{"name":"Medley","url":"https://alion.io/company/medley/technologies","shared_technologies":41},{"name":"LayerX","url":"https://alion.io/company/layerx/technologies","shared_technologies":35},{"name":"MIXI","url":"https://alion.io/company/mixi/technologies","shared_technologies":34},{"name":"Fcamara","url":"https://alion.io/company/fcamara/technologies","shared_technologies":35},{"name":"CyberAgent","url":"https://alion.io/company/cyberagent/technologies","shared_technologies":43},{"name":"Realtor.com","url":"https://alion.io/company/realtor-com-careers/technologies","shared_technologies":40},{"name":"Aircall","url":"https://alion.io/company/aircall/technologies","shared_technologies":35}],"html_url":"https://alion.io/company/rebase-co-jp/technologies","json_url":"https://alion.io/company/rebase-co-jp/technologies.json","license":"CC BY-SA 4.0","meta":{"source":"Alion","built_at":"2026-10-08T15:54:24Z","generated_at":"2026-10-09T04:53:28Z"}}