{"company":{"id":51833,"name":"CHECK24","domain":"check24.de","url":"https://alion.io/company/check24"},"answer":"CHECK24 builds mostly with Python, TypeScript, PHP, JavaScript. Its stack also includes React.js, MySQL, Figma, Linux. ChatGPT is named in 36 of the 69 job postings CHECK24 published in the last 12 months (52%). Counted by Alion from the job postings of CHECK24, updated Oct 7, 2026.","window_days":365,"postings_analysed":69,"open_postings":65,"technologies_in_use":85,"modernity_score":85,"ai_adoption":true,"technologies":[{"name":"ChatGPT","layer":"ai","postings":36,"share":0.5217,"required":31,"open_postings":34,"first_seen":"2026-08-11","last_seen":"2026-10-05","median_stated_pay_usd":null},{"name":"Cursor","layer":"tools","postings":22,"share":0.3188,"required":20,"open_postings":22,"first_seen":"2026-09-18","last_seen":"2026-10-05","median_stated_pay_usd":null},{"name":"Python","layer":"languages","postings":19,"share":0.2754,"required":18,"open_postings":18,"first_seen":"2026-09-18","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Claude","layer":"ai","postings":19,"share":0.2754,"required":17,"open_postings":17,"first_seen":"2026-08-11","last_seen":"2026-10-05","median_stated_pay_usd":null},{"name":"TypeScript","layer":"languages","postings":19,"share":0.2754,"required":17,"open_postings":17,"first_seen":"2026-08-11","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"PHP","layer":"languages","postings":17,"share":0.2464,"required":15,"open_postings":15,"first_seen":"2026-08-11","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"JavaScript","layer":"languages","postings":16,"share":0.2319,"required":1,"open_postings":15,"first_seen":"2026-08-27","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Claude Code","layer":"tools","postings":14,"share":0.2029,"required":13,"open_postings":14,"first_seen":"2026-10-04","last_seen":"2026-10-05","median_stated_pay_usd":null},{"name":"LLM","layer":"ai","postings":13,"share":0.1884,"required":11,"open_postings":12,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"React.js","layer":"frameworks","postings":12,"share":0.1739,"required":9,"open_postings":11,"first_seen":"2026-08-27","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"MySQL","layer":"data","postings":11,"share":0.1594,"required":9,"open_postings":11,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Go","layer":"languages","postings":9,"share":0.1304,"required":8,"open_postings":8,"first_seen":"2026-09-18","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Docker","layer":"tools","postings":9,"share":0.1304,"required":7,"open_postings":9,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Git","layer":"tools","postings":8,"share":0.1159,"required":7,"open_postings":8,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"C#","layer":"languages","postings":8,"share":0.1159,"required":6,"open_postings":8,"first_seen":"2026-09-18","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Java","layer":"languages","postings":7,"share":0.1014,"required":7,"open_postings":7,"first_seen":"2026-09-18","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Ansible","layer":"tools","postings":7,"share":0.1014,"required":6,"open_postings":7,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"SQL","layer":"languages","postings":7,"share":0.1014,"required":6,"open_postings":6,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Rest API","layer":"tools","postings":6,"share":0.087,"required":6,"open_postings":6,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"CI/CD","layer":"practices","postings":6,"share":0.087,"required":5,"open_postings":6,"first_seen":"2026-08-27","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Figma","layer":"cloud","postings":5,"share":0.0725,"required":5,"open_postings":5,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Clean Architecture","layer":"practices","postings":5,"share":0.0725,"required":4,"open_postings":3,"first_seen":"2026-08-11","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Linux","layer":"cloud","postings":5,"share":0.0725,"required":4,"open_postings":5,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Django","layer":"frameworks","postings":4,"share":0.058,"required":4,"open_postings":4,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"GitOps","layer":"practices","postings":4,"share":0.058,"required":4,"open_postings":4,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Lovable","layer":"tools","postings":4,"share":0.058,"required":4,"open_postings":4,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Gemini","layer":"ai","postings":4,"share":0.058,"required":3,"open_postings":4,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Prompt Engineering","layer":"practices","postings":4,"share":0.058,"required":3,"open_postings":3,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Symfony","layer":"frameworks","postings":4,"share":0.058,"required":3,"open_postings":4,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"AWS","layer":"cloud","postings":4,"share":0.058,"required":2,"open_postings":3,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Terraform","layer":"tools","postings":3,"share":0.0435,"required":2,"open_postings":3,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"React Router","layer":"frameworks","postings":3,"share":0.0435,"required":1,"open_postings":3,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"AI Agents","layer":"practices","postings":2,"share":0.029,"required":2,"open_postings":2,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Bash","layer":"languages","postings":2,"share":0.029,"required":2,"open_postings":2,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Copilot","layer":"tools","postings":2,"share":0.029,"required":2,"open_postings":2,"first_seen":"2026-09-18","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Debian","layer":"cloud","postings":2,"share":0.029,"required":2,"open_postings":2,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Grafana","layer":"cloud","postings":2,"share":0.029,"required":2,"open_postings":2,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Immer","layer":"frameworks","postings":2,"share":0.029,"required":2,"open_postings":2,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Kotlin","layer":"languages","postings":2,"share":0.029,"required":2,"open_postings":2,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Machine Learning","layer":"practices","postings":2,"share":0.029,"required":2,"open_postings":1,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Midjourney","layer":"ai","postings":2,"share":0.029,"required":2,"open_postings":2,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Svelte","layer":"frameworks","postings":2,"share":0.029,"required":2,"open_postings":2,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Swift","layer":"languages","postings":2,"share":0.029,"required":2,"open_postings":2,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Tailwind CSS","layer":"frameworks","postings":2,"share":0.029,"required":2,"open_postings":2,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Tool Use","layer":"practices","postings":2,"share":0.029,"required":2,"open_postings":2,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":".NET","layer":"cloud","postings":2,"share":0.029,"required":1,"open_postings":2,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Agentic Workflows","layer":"practices","postings":2,"share":0.029,"required":1,"open_postings":1,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Angular","layer":"frameworks","postings":2,"share":0.029,"required":1,"open_postings":1,"first_seen":"2026-10-01","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Chef","layer":"tools","postings":2,"share":0.029,"required":1,"open_postings":2,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Puppet","layer":"tools","postings":2,"share":0.029,"required":1,"open_postings":2,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Voice Agents","layer":"practices","postings":2,"share":0.029,"required":1,"open_postings":2,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"AWS CDK","layer":"tools","postings":1,"share":0.0145,"required":1,"open_postings":1,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Bitbucket","layer":"cloud","postings":1,"share":0.0145,"required":1,"open_postings":1,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"ClickHouse","layer":"data","postings":1,"share":0.0145,"required":1,"open_postings":1,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"ElasticSearch","layer":"data","postings":1,"share":0.0145,"required":1,"open_postings":1,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Embeddings","layer":"practices","postings":1,"share":0.0145,"required":1,"open_postings":1,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"FastAPI","layer":"frameworks","postings":1,"share":0.0145,"required":1,"open_postings":1,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"FortiGate","layer":"tools","postings":1,"share":0.0145,"required":1,"open_postings":1,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Function Calling","layer":"practices","postings":1,"share":0.0145,"required":1,"open_postings":1,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"GitHub","layer":"cloud","postings":1,"share":0.0145,"required":1,"open_postings":1,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Gitflow","layer":"practices","postings":1,"share":0.0145,"required":1,"open_postings":1,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Gunicorn","layer":"tools","postings":1,"share":0.0145,"required":1,"open_postings":1,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Laravel","layer":"frameworks","postings":1,"share":0.0145,"required":1,"open_postings":1,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Microsoft Excel","layer":"tools","postings":1,"share":0.0145,"required":1,"open_postings":1,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"NumPy","layer":"frameworks","postings":1,"share":0.0145,"required":1,"open_postings":1,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Postman","layer":"cloud","postings":1,"share":0.0145,"required":1,"open_postings":1,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"PyTorch","layer":"frameworks","postings":1,"share":0.0145,"required":1,"open_postings":1,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"RAG","layer":"practices","postings":1,"share":0.0145,"required":1,"open_postings":1,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Recommender Systems","layer":"practices","postings":1,"share":0.0145,"required":1,"open_postings":1,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Remix","layer":"frameworks","postings":1,"share":0.0145,"required":1,"open_postings":1,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"SaltStack","layer":"tools","postings":1,"share":0.0145,"required":1,"open_postings":1,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Scikit-learn","layer":"frameworks","postings":1,"share":0.0145,"required":1,"open_postings":1,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Semantic Search","layer":"practices","postings":1,"share":0.0145,"required":1,"open_postings":1,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Semantic Search","layer":"practices","postings":1,"share":0.0145,"required":1,"open_postings":1,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Ubuntu","layer":"cloud","postings":1,"share":0.0145,"required":1,"open_postings":1,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"A/B Testing","layer":"practices","postings":1,"share":0.0145,"required":0,"open_postings":1,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Fine-tuning","layer":"practices","postings":1,"share":0.0145,"required":0,"open_postings":1,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"GCP","layer":"cloud","postings":1,"share":0.0145,"required":0,"open_postings":0,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Hybrid Search","layer":"practices","postings":1,"share":0.0145,"required":0,"open_postings":1,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Nginx","layer":"tools","postings":1,"share":0.0145,"required":0,"open_postings":1,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Node JS","layer":"languages","postings":1,"share":0.0145,"required":0,"open_postings":1,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"OpenAI Codex","layer":"tools","postings":1,"share":0.0145,"required":0,"open_postings":1,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"PHP-FPM","layer":"tools","postings":1,"share":0.0145,"required":0,"open_postings":1,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"VLAN","layer":"practices","postings":1,"share":0.0145,"required":0,"open_postings":1,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null},{"name":"Zustand","layer":"frameworks","postings":1,"share":0.0145,"required":0,"open_postings":1,"first_seen":"2026-10-04","last_seen":"2026-10-04","median_stated_pay_usd":null}],"own_products":[],"changes":{"first_appeared":[],"rising":[],"falling":[],"not_seen_180d":[]},"similar_stacks":[{"name":"Oxylabs","url":"https://alion.io/company/oxylabs/technologies","shared_technologies":53},{"name":"Diligent","url":"https://alion.io/company/diligentcorporation/technologies","shared_technologies":53},{"name":"Applaudo","url":"https://alion.io/company/applaudo-studios/technologies","shared_technologies":54},{"name":"Omnissa","url":"https://alion.io/company/omnissa/technologies","shared_technologies":57},{"name":"3Pillar Global","url":"https://alion.io/company/3pillar/technologies","shared_technologies":59},{"name":"Appier","url":"https://alion.io/company/appier-2/technologies","shared_technologies":57},{"name":"Morgan Stanley","url":"https://alion.io/company/morgan-stanley/technologies","shared_technologies":63},{"name":"DVT","url":"https://alion.io/company/dvt/technologies","shared_technologies":54}],"html_url":"https://alion.io/company/check24/technologies","json_url":"https://alion.io/company/check24/technologies.json","license":"CC BY-SA 4.0","meta":{"source":"Alion","built_at":"2026-10-07T19:51:48Z","generated_at":"2026-10-08T02:38:43Z"}}