{"company":{"id":3833471,"name":"Catawiki","domain":"catawiki.careers","url":"https://alion.io/company/catawiki-3"},"answer":"Catawiki builds mostly with SQL, Python, Ruby, JavaScript. Its stack also includes Kubernetes, Apache Kafka, PyTorch, BigQuery. SQL is named in 10 of the 16 job postings Catawiki published in the last 12 months (63%). Counted by Alion from the job postings of Catawiki, updated Sep 28, 2026.","window_days":365,"postings_analysed":16,"open_postings":16,"technologies_in_use":46,"modernity_score":85,"ai_adoption":true,"technologies":[{"name":"SQL","layer":"languages","postings":10,"share":0.625,"required":10,"open_postings":10,"first_seen":"2026-07-23","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"Kubernetes","layer":"cloud","postings":8,"share":0.5,"required":8,"open_postings":8,"first_seen":"2026-07-23","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"Python","layer":"languages","postings":8,"share":0.5,"required":8,"open_postings":8,"first_seen":"2026-07-23","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"CI/CD","layer":"practices","postings":8,"share":0.5,"required":4,"open_postings":8,"first_seen":"2026-07-23","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"Machine Learning","layer":"practices","postings":7,"share":0.4375,"required":7,"open_postings":7,"first_seen":"2026-07-23","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"Apache Kafka","layer":"cloud","postings":6,"share":0.375,"required":2,"open_postings":6,"first_seen":"2026-07-23","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"Git","layer":"tools","postings":6,"share":0.375,"required":2,"open_postings":6,"first_seen":"2026-07-23","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"Nginx","layer":"tools","postings":6,"share":0.375,"required":2,"open_postings":6,"first_seen":"2026-07-23","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"PyTorch","layer":"frameworks","postings":6,"share":0.375,"required":2,"open_postings":6,"first_seen":"2026-07-23","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"A/B Testing","layer":"practices","postings":5,"share":0.3125,"required":5,"open_postings":5,"first_seen":"2026-06-12","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"BigQuery","layer":"data","postings":3,"share":0.1875,"required":1,"open_postings":3,"first_seen":"2026-07-23","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"Docker","layer":"tools","postings":3,"share":0.1875,"required":1,"open_postings":3,"first_seen":"2026-07-23","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"Google BigQuery","layer":"data","postings":3,"share":0.1875,"required":1,"open_postings":3,"first_seen":"2026-07-23","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"LightFM","layer":"frameworks","postings":3,"share":0.1875,"required":1,"open_postings":3,"first_seen":"2026-07-23","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"MySQL","layer":"data","postings":3,"share":0.1875,"required":1,"open_postings":3,"first_seen":"2026-07-23","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"Recommender Systems","layer":"practices","postings":3,"share":0.1875,"required":1,"open_postings":3,"first_seen":"2026-07-23","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"Spark","layer":"cloud","postings":3,"share":0.1875,"required":1,"open_postings":3,"first_seen":"2026-07-23","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"TensorFlow","layer":"frameworks","postings":3,"share":0.1875,"required":1,"open_postings":3,"first_seen":"2026-07-23","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"AWS","layer":"cloud","postings":2,"share":0.125,"required":2,"open_postings":2,"first_seen":"2026-09-21","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"Ansible","layer":"tools","postings":2,"share":0.125,"required":2,"open_postings":2,"first_seen":"2026-09-21","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"Azure","layer":"cloud","postings":2,"share":0.125,"required":2,"open_postings":2,"first_seen":"2026-09-21","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"FinOps","layer":"practices","postings":2,"share":0.125,"required":2,"open_postings":2,"first_seen":"2026-09-21","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"GCP","layer":"cloud","postings":2,"share":0.125,"required":2,"open_postings":2,"first_seen":"2026-09-21","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"GitOps","layer":"practices","postings":2,"share":0.125,"required":2,"open_postings":2,"first_seen":"2026-09-21","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"Grafana","layer":"cloud","postings":2,"share":0.125,"required":2,"open_postings":2,"first_seen":"2026-09-21","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"Looker","layer":"cloud","postings":2,"share":0.125,"required":2,"open_postings":2,"first_seen":"2026-08-31","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"OpenTelemetry","layer":"frameworks","postings":2,"share":0.125,"required":2,"open_postings":2,"first_seen":"2026-09-21","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"Power BI","layer":"cloud","postings":2,"share":0.125,"required":2,"open_postings":2,"first_seen":"2026-08-31","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"Prometheus","layer":"tools","postings":2,"share":0.125,"required":2,"open_postings":2,"first_seen":"2026-09-21","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"Tableau","layer":"cloud","postings":2,"share":0.125,"required":2,"open_postings":2,"first_seen":"2026-08-31","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"Terraform","layer":"tools","postings":2,"share":0.125,"required":2,"open_postings":2,"first_seen":"2026-09-21","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"Time Series Forecasting","layer":"practices","postings":2,"share":0.125,"required":2,"open_postings":2,"first_seen":"2026-08-31","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"dbt","layer":"tools","postings":2,"share":0.125,"required":2,"open_postings":2,"first_seen":"2026-08-31","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"Ruby","layer":"languages","postings":2,"share":0.125,"required":1,"open_postings":2,"first_seen":"2026-09-21","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"CSS Modules","layer":"practices","postings":1,"share":0.0625,"required":1,"open_postings":1,"first_seen":"2026-09-21","last_seen":"2026-09-21","median_stated_pay_usd":null},{"name":"ChatGPT","layer":"ai","postings":1,"share":0.0625,"required":1,"open_postings":1,"first_seen":"2026-06-12","last_seen":"2026-06-12","median_stated_pay_usd":null},{"name":"Gemini","layer":"ai","postings":1,"share":0.0625,"required":1,"open_postings":1,"first_seen":"2026-06-12","last_seen":"2026-06-12","median_stated_pay_usd":null},{"name":"JavaScript","layer":"languages","postings":1,"share":0.0625,"required":1,"open_postings":1,"first_seen":"2026-09-21","last_seen":"2026-09-21","median_stated_pay_usd":null},{"name":"Next.js","layer":"frameworks","postings":1,"share":0.0625,"required":1,"open_postings":1,"first_seen":"2026-09-21","last_seen":"2026-09-21","median_stated_pay_usd":null},{"name":"Node JS","layer":"languages","postings":1,"share":0.0625,"required":1,"open_postings":1,"first_seen":"2026-09-21","last_seen":"2026-09-21","median_stated_pay_usd":null},{"name":"Okta","layer":"cloud","postings":1,"share":0.0625,"required":1,"open_postings":1,"first_seen":"2026-09-24","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"React.js","layer":"frameworks","postings":1,"share":0.0625,"required":1,"open_postings":1,"first_seen":"2026-09-21","last_seen":"2026-09-21","median_stated_pay_usd":null},{"name":"Redux","layer":"frameworks","postings":1,"share":0.0625,"required":1,"open_postings":1,"first_seen":"2026-09-21","last_seen":"2026-09-21","median_stated_pay_usd":null},{"name":"Tailwind CSS","layer":"frameworks","postings":1,"share":0.0625,"required":1,"open_postings":1,"first_seen":"2026-09-21","last_seen":"2026-09-21","median_stated_pay_usd":null},{"name":"TypeScript","layer":"languages","postings":1,"share":0.0625,"required":1,"open_postings":1,"first_seen":"2026-09-21","last_seen":"2026-09-21","median_stated_pay_usd":null},{"name":"Wi-Fi","layer":"practices","postings":1,"share":0.0625,"required":1,"open_postings":1,"first_seen":"2026-09-24","last_seen":"2026-09-24","median_stated_pay_usd":null}],"own_products":[],"changes":{"first_appeared":[{"name":"Ruby","first_seen":"2026-09-21"},{"name":"AWS","first_seen":"2026-09-21"},{"name":"Ansible","first_seen":"2026-09-21"},{"name":"Azure","first_seen":"2026-09-21"},{"name":"FinOps","first_seen":"2026-09-21"},{"name":"GCP","first_seen":"2026-09-21"},{"name":"GitOps","first_seen":"2026-09-21"},{"name":"Grafana","first_seen":"2026-09-21"}],"rising":[],"falling":[],"not_seen_180d":[]},"similar_stacks":[{"name":"Catawiki","url":"https://alion.io/company/catawiki/technologies","shared_technologies":46},{"name":"Braze","url":"https://alion.io/company/braze/technologies","shared_technologies":36},{"name":"Abinbev","url":"https://alion.io/company/abinbev/technologies","shared_technologies":36},{"name":"Upstart","url":"https://alion.io/company/upstart/technologies","shared_technologies":34},{"name":"Lingaro","url":"https://alion.io/company/lingaro/technologies","shared_technologies":38},{"name":"Samba TV","url":"https://alion.io/company/samba-tv/technologies","shared_technologies":35},{"name":"Checkout.com","url":"https://alion.io/company/checkout-com/technologies","shared_technologies":35},{"name":"Impact Tech","url":"https://alion.io/company/impact-com/technologies","shared_technologies":37}],"html_url":"https://alion.io/company/catawiki-3/technologies","json_url":"https://alion.io/company/catawiki-3/technologies.json","license":"CC BY-SA 4.0","meta":{"source":"Alion","built_at":"2026-09-28T18:44:04Z","generated_at":"2026-09-29T00:08:31Z"}}