{"company":{"id":51661,"name":"Kurashiru","domain":"kurashiru.co.jp","url":"https://alion.io/company/kurashiru"},"answer":"Kurashiru builds mostly with JavaScript, Kotlin, Swift, C#. Its stack also includes AWS, GitHub Actions, React.js, Snowflake. AWS is named in 13 of the 21 job postings Kurashiru published in the last 12 months (62%). Counted by Alion from the job postings of Kurashiru, updated Sep 28, 2026.","window_days":365,"postings_analysed":21,"open_postings":21,"technologies_in_use":66,"modernity_score":81,"ai_adoption":true,"technologies":[{"name":"AWS","layer":"cloud","postings":13,"share":0.619,"required":13,"open_postings":13,"first_seen":"2024-04-17","last_seen":"2026-09-13","median_stated_pay_usd":null},{"name":"CI/CD","layer":"practices","postings":11,"share":0.5238,"required":11,"open_postings":11,"first_seen":"2024-04-17","last_seen":"2026-08-25","median_stated_pay_usd":null},{"name":"GitHub Actions","layer":"cloud","postings":11,"share":0.5238,"required":11,"open_postings":11,"first_seen":"2024-04-17","last_seen":"2026-08-25","median_stated_pay_usd":null},{"name":"Terraform","layer":"tools","postings":8,"share":0.381,"required":8,"open_postings":8,"first_seen":"2024-04-17","last_seen":"2026-09-13","median_stated_pay_usd":null},{"name":"React.js","layer":"frameworks","postings":8,"share":0.381,"required":4,"open_postings":8,"first_seen":"2024-04-17","last_seen":"2026-09-13","median_stated_pay_usd":null},{"name":"JavaScript","layer":"languages","postings":8,"share":0.381,"required":0,"open_postings":8,"first_seen":"2024-04-17","last_seen":"2026-09-13","median_stated_pay_usd":null},{"name":"Figma","layer":"cloud","postings":7,"share":0.3333,"required":7,"open_postings":7,"first_seen":"2026-02-25","last_seen":"2026-08-21","median_stated_pay_usd":null},{"name":"MVVM","layer":"practices","postings":7,"share":0.3333,"required":7,"open_postings":7,"first_seen":"2026-02-25","last_seen":"2026-08-21","median_stated_pay_usd":null},{"name":"Snowflake","layer":"data","postings":7,"share":0.3333,"required":7,"open_postings":7,"first_seen":"2024-04-17","last_seen":"2026-08-25","median_stated_pay_usd":null},{"name":"MVI","layer":"practices","postings":6,"share":0.2857,"required":6,"open_postings":6,"first_seen":"2026-02-25","last_seen":"2026-08-21","median_stated_pay_usd":null},{"name":"Kotlin","layer":"languages","postings":6,"share":0.2857,"required":5,"open_postings":6,"first_seen":"2026-02-25","last_seen":"2026-08-21","median_stated_pay_usd":null},{"name":".NET","layer":"cloud","postings":5,"share":0.2381,"required":5,"open_postings":5,"first_seen":"2026-02-02","last_seen":"2026-08-21","median_stated_pay_usd":null},{"name":"Dagger","layer":"frameworks","postings":5,"share":0.2381,"required":5,"open_postings":5,"first_seen":"2026-02-25","last_seen":"2026-08-21","median_stated_pay_usd":null},{"name":"Detekt","layer":"tools","postings":5,"share":0.2381,"required":5,"open_postings":5,"first_seen":"2026-02-25","last_seen":"2026-08-21","median_stated_pay_usd":null},{"name":"Firebase","layer":"cloud","postings":5,"share":0.2381,"required":5,"open_postings":5,"first_seen":"2026-02-25","last_seen":"2026-08-21","median_stated_pay_usd":null},{"name":"Hilt","layer":"frameworks","postings":5,"share":0.2381,"required":5,"open_postings":5,"first_seen":"2026-02-25","last_seen":"2026-08-21","median_stated_pay_usd":null},{"name":"Jetpack Compose","layer":"frameworks","postings":5,"share":0.2381,"required":5,"open_postings":5,"first_seen":"2026-02-25","last_seen":"2026-08-21","median_stated_pay_usd":null},{"name":"Kotest","layer":"frameworks","postings":5,"share":0.2381,"required":5,"open_postings":5,"first_seen":"2026-02-25","last_seen":"2026-08-21","median_stated_pay_usd":null},{"name":"Kotlin Coroutines","layer":"other","postings":5,"share":0.2381,"required":5,"open_postings":5,"first_seen":"2026-02-25","last_seen":"2026-08-21","median_stated_pay_usd":null},{"name":"Moshi","layer":"frameworks","postings":5,"share":0.2381,"required":5,"open_postings":5,"first_seen":"2026-02-25","last_seen":"2026-08-21","median_stated_pay_usd":null},{"name":"OkHttp","layer":"frameworks","postings":5,"share":0.2381,"required":5,"open_postings":5,"first_seen":"2026-02-25","last_seen":"2026-08-21","median_stated_pay_usd":null},{"name":"Retrofit","layer":"frameworks","postings":5,"share":0.2381,"required":5,"open_postings":5,"first_seen":"2026-02-25","last_seen":"2026-08-21","median_stated_pay_usd":null},{"name":"Room","layer":"frameworks","postings":5,"share":0.2381,"required":5,"open_postings":5,"first_seen":"2026-02-25","last_seen":"2026-08-21","median_stated_pay_usd":null},{"name":"RxJava","layer":"frameworks","postings":5,"share":0.2381,"required":5,"open_postings":5,"first_seen":"2026-02-25","last_seen":"2026-08-21","median_stated_pay_usd":null},{"name":"Swift","layer":"languages","postings":5,"share":0.2381,"required":4,"open_postings":5,"first_seen":"2026-02-25","last_seen":"2026-08-21","median_stated_pay_usd":null},{"name":"C#","layer":"languages","postings":5,"share":0.2381,"required":0,"open_postings":5,"first_seen":"2026-02-02","last_seen":"2026-08-21","median_stated_pay_usd":null},{"name":"Java","layer":"languages","postings":5,"share":0.2381,"required":0,"open_postings":5,"first_seen":"2026-02-25","last_seen":"2026-08-21","median_stated_pay_usd":null},{"name":"AWS Lambda","layer":"cloud","postings":4,"share":0.1905,"required":4,"open_postings":4,"first_seen":"2024-04-17","last_seen":"2026-08-25","median_stated_pay_usd":null},{"name":"Amazon CloudWatch","layer":"cloud","postings":4,"share":0.1905,"required":4,"open_postings":4,"first_seen":"2024-04-17","last_seen":"2026-08-25","median_stated_pay_usd":null},{"name":"Amazon ECS","layer":"cloud","postings":4,"share":0.1905,"required":4,"open_postings":4,"first_seen":"2024-04-17","last_seen":"2026-08-25","median_stated_pay_usd":null},{"name":"Amazon S3","layer":"cloud","postings":4,"share":0.1905,"required":4,"open_postings":4,"first_seen":"2024-04-17","last_seen":"2026-08-25","median_stated_pay_usd":null},{"name":"CocoaPods","layer":"tools","postings":4,"share":0.1905,"required":4,"open_postings":4,"first_seen":"2026-02-25","last_seen":"2026-08-21","median_stated_pay_usd":null},{"name":"DynamoDB","layer":"data","postings":4,"share":0.1905,"required":4,"open_postings":4,"first_seen":"2024-04-17","last_seen":"2026-08-25","median_stated_pay_usd":null},{"name":"Langfuse","layer":"cloud","postings":4,"share":0.1905,"required":4,"open_postings":4,"first_seen":"2026-04-02","last_seen":"2026-09-13","median_stated_pay_usd":null},{"name":"MySQL","layer":"data","postings":4,"share":0.1905,"required":4,"open_postings":4,"first_seen":"2024-04-17","last_seen":"2026-08-25","median_stated_pay_usd":null},{"name":"Node JS","layer":"languages","postings":4,"share":0.1905,"required":4,"open_postings":4,"first_seen":"2024-04-17","last_seen":"2026-08-25","median_stated_pay_usd":null},{"name":"OCR","layer":"practices","postings":4,"share":0.1905,"required":4,"open_postings":4,"first_seen":"2026-04-02","last_seen":"2026-09-13","median_stated_pay_usd":null},{"name":"Ruby","layer":"languages","postings":4,"share":0.1905,"required":4,"open_postings":4,"first_seen":"2024-04-17","last_seen":"2026-08-25","median_stated_pay_usd":null},{"name":"Swift Concurrency","layer":"other","postings":4,"share":0.1905,"required":4,"open_postings":4,"first_seen":"2026-02-25","last_seen":"2026-08-21","median_stated_pay_usd":null},{"name":"SwiftLint","layer":"tools","postings":4,"share":0.1905,"required":4,"open_postings":4,"first_seen":"2026-02-25","last_seen":"2026-08-21","median_stated_pay_usd":null},{"name":"SwiftUI","layer":"frameworks","postings":4,"share":0.1905,"required":4,"open_postings":4,"first_seen":"2026-02-25","last_seen":"2026-08-21","median_stated_pay_usd":null},{"name":"TanStack Start","layer":"frameworks","postings":4,"share":0.1905,"required":4,"open_postings":4,"first_seen":"2026-04-02","last_seen":"2026-09-13","median_stated_pay_usd":null},{"name":"BigQuery","layer":"data","postings":3,"share":0.1429,"required":3,"open_postings":3,"first_seen":"2024-04-17","last_seen":"2026-07-29","median_stated_pay_usd":null},{"name":"Claude Code","layer":"tools","postings":3,"share":0.1429,"required":3,"open_postings":3,"first_seen":"2024-04-17","last_seen":"2026-08-25","median_stated_pay_usd":null},{"name":"Google BigQuery","layer":"data","postings":3,"share":0.1429,"required":3,"open_postings":3,"first_seen":"2024-04-17","last_seen":"2026-07-29","median_stated_pay_usd":null},{"name":"Opsgenie","layer":"cloud","postings":3,"share":0.1429,"required":3,"open_postings":3,"first_seen":"2024-04-17","last_seen":"2026-07-29","median_stated_pay_usd":null},{"name":"Redis","layer":"data","postings":3,"share":0.1429,"required":3,"open_postings":3,"first_seen":"2024-04-17","last_seen":"2026-07-29","median_stated_pay_usd":null},{"name":"Dart","layer":"languages","postings":3,"share":0.1429,"required":0,"open_postings":3,"first_seen":"2026-08-10","last_seen":"2026-08-10","median_stated_pay_usd":null},{"name":"Flutter","layer":"frameworks","postings":3,"share":0.1429,"required":0,"open_postings":3,"first_seen":"2026-08-10","last_seen":"2026-08-10","median_stated_pay_usd":null},{"name":"SQL","layer":"languages","postings":3,"share":0.1429,"required":0,"open_postings":3,"first_seen":"2026-02-02","last_seen":"2026-08-20","median_stated_pay_usd":null},{"name":"Ruby on Rails","layer":"frameworks","postings":2,"share":0.0952,"required":2,"open_postings":2,"first_seen":"2024-04-17","last_seen":"2026-04-13","median_stated_pay_usd":null},{"name":"dbt","layer":"tools","postings":2,"share":0.0952,"required":2,"open_postings":2,"first_seen":"2026-03-24","last_seen":"2026-07-29","median_stated_pay_usd":null},{"name":"Datadog","layer":"cloud","postings":2,"share":0.0952,"required":1,"open_postings":2,"first_seen":"2026-02-20","last_seen":"2026-08-25","median_stated_pay_usd":null},{"name":"AWS Bedrock","layer":"cloud","postings":1,"share":0.0476,"required":1,"open_postings":1,"first_seen":"2026-08-25","last_seen":"2026-08-25","median_stated_pay_usd":null},{"name":"Devin","layer":"tools","postings":1,"share":0.0476,"required":1,"open_postings":1,"first_seen":"2026-08-25","last_seen":"2026-08-25","median_stated_pay_usd":null},{"name":"Gemini","layer":"ai","postings":1,"share":0.0476,"required":1,"open_postings":1,"first_seen":"2026-08-25","last_seen":"2026-08-25","median_stated_pay_usd":null},{"name":"Jotai","layer":"frameworks","postings":1,"share":0.0476,"required":1,"open_postings":1,"first_seen":"2026-08-25","last_seen":"2026-08-25","median_stated_pay_usd":null},{"name":"Okta","layer":"cloud","postings":1,"share":0.0476,"required":1,"open_postings":1,"first_seen":"2026-06-02","last_seen":"2026-06-02","median_stated_pay_usd":null},{"name":"OpenAI Codex","layer":"tools","postings":1,"share":0.0476,"required":1,"open_postings":1,"first_seen":"2026-08-25","last_seen":"2026-08-25","median_stated_pay_usd":null},{"name":"TypeScript","layer":"languages","postings":1,"share":0.0476,"required":1,"open_postings":1,"first_seen":"2026-08-25","last_seen":"2026-08-25","median_stated_pay_usd":null},{"name":"Ansible","layer":"tools","postings":1,"share":0.0476,"required":0,"open_postings":1,"first_seen":"2026-02-20","last_seen":"2026-02-20","median_stated_pay_usd":null},{"name":"CircleCI","layer":"tools","postings":1,"share":0.0476,"required":0,"open_postings":1,"first_seen":"2026-04-13","last_seen":"2026-04-13","median_stated_pay_usd":null},{"name":"LLM","layer":"ai","postings":1,"share":0.0476,"required":0,"open_postings":1,"first_seen":"2026-09-22","last_seen":"2026-09-22","median_stated_pay_usd":null},{"name":"New Relic","layer":"cloud","postings":1,"share":0.0476,"required":0,"open_postings":1,"first_seen":"2026-02-20","last_seen":"2026-02-20","median_stated_pay_usd":null},{"name":"RAG","layer":"practices","postings":1,"share":0.0476,"required":0,"open_postings":1,"first_seen":"2026-09-22","last_seen":"2026-09-22","median_stated_pay_usd":null},{"name":"SLI/SLO/SLA","layer":"practices","postings":1,"share":0.0476,"required":0,"open_postings":1,"first_seen":"2026-07-14","last_seen":"2026-07-14","median_stated_pay_usd":null}],"own_products":[],"changes":{"first_appeared":[{"name":"Dart","first_seen":"2026-08-10"},{"name":"Flutter","first_seen":"2026-08-10"},{"name":"Langfuse","first_seen":"2026-04-02"},{"name":"OCR","first_seen":"2026-04-02"},{"name":"TanStack Start","first_seen":"2026-04-02"}],"rising":[],"falling":[],"not_seen_180d":[]},"similar_stacks":[{"name":"ZhushihuisheAmazia","url":"https://alion.io/company/amazia/technologies","shared_technologies":38},{"name":"Yappli","url":"https://alion.io/company/yappli/technologies","shared_technologies":37},{"name":"ANDPAD","url":"https://alion.io/company/andpad/technologies","shared_technologies":39},{"name":"MIXI","url":"https://alion.io/company/mixi/technologies","shared_technologies":43},{"name":"Medley","url":"https://alion.io/company/medley/technologies","shared_technologies":41},{"name":"ZhushihuisheLITALICO","url":"https://alion.io/company/litalico/technologies","shared_technologies":35},{"name":"Nintendo Systems Co., Ltd.","url":"https://alion.io/company/nintendo-systems/technologies","shared_technologies":38},{"name":"TENDA Games","url":"https://alion.io/company/tendagames/technologies","shared_technologies":35}],"html_url":"https://alion.io/company/kurashiru/technologies","json_url":"https://alion.io/company/kurashiru/technologies.json","license":"CC BY-SA 4.0","meta":{"source":"Alion","built_at":"2026-09-28T17:16:01Z","generated_at":"2026-09-29T01:35:53Z"}}