{"company":{"id":1286,"name":"Propel","domain":"trypropel.ai","url":"https://alion.io/company/propel"},"answer":"Propel builds mostly with JavaScript, Node JS, TypeScript. Its stack also includes React.js, LangChain, Milvus, Pinecone. JavaScript is named in 3 of the 3 job postings Propel published in the last 12 months (100%). Counted by Alion from the job postings of Propel, updated Oct 17, 2026.","window_days":365,"postings_analysed":3,"open_postings":2,"technologies_in_use":21,"modernity_score":90,"ai_adoption":true,"technologies":[{"name":"Claude","layer":"ai","postings":3,"share":1,"required":3,"open_postings":2,"first_seen":"2026-07-15","last_seen":"2026-07-16","median_stated_pay_usd":null},{"name":"JavaScript","layer":"languages","postings":3,"share":1,"required":3,"open_postings":2,"first_seen":"2026-07-15","last_seen":"2026-07-16","median_stated_pay_usd":null},{"name":"Node JS","layer":"languages","postings":3,"share":1,"required":3,"open_postings":2,"first_seen":"2026-07-15","last_seen":"2026-07-16","median_stated_pay_usd":null},{"name":"React.js","layer":"frameworks","postings":3,"share":1,"required":3,"open_postings":2,"first_seen":"2026-07-15","last_seen":"2026-07-16","median_stated_pay_usd":null},{"name":"AI Agents","layer":"practices","postings":2,"share":0.6667,"required":2,"open_postings":2,"first_seen":"2026-07-15","last_seen":"2026-07-16","median_stated_pay_usd":null},{"name":"LangChain","layer":"frameworks","postings":2,"share":0.6667,"required":2,"open_postings":2,"first_seen":"2026-07-15","last_seen":"2026-07-16","median_stated_pay_usd":null},{"name":"ChatGPT","layer":"ai","postings":1,"share":0.3333,"required":1,"open_postings":0,"first_seen":"2026-07-16","last_seen":"2026-07-16","median_stated_pay_usd":null},{"name":"Copilot","layer":"tools","postings":1,"share":0.3333,"required":1,"open_postings":0,"first_seen":"2026-07-16","last_seen":"2026-07-16","median_stated_pay_usd":null},{"name":"Cursor","layer":"tools","postings":1,"share":0.3333,"required":1,"open_postings":1,"first_seen":"2026-07-15","last_seen":"2026-07-15","median_stated_pay_usd":null},{"name":"Embeddings","layer":"practices","postings":1,"share":0.3333,"required":1,"open_postings":1,"first_seen":"2026-07-15","last_seen":"2026-07-15","median_stated_pay_usd":null},{"name":"Hybrid Search","layer":"practices","postings":1,"share":0.3333,"required":1,"open_postings":1,"first_seen":"2026-07-15","last_seen":"2026-07-15","median_stated_pay_usd":null},{"name":"LLM","layer":"ai","postings":1,"share":0.3333,"required":1,"open_postings":1,"first_seen":"2026-07-15","last_seen":"2026-07-15","median_stated_pay_usd":null},{"name":"LangGraph","layer":"frameworks","postings":1,"share":0.3333,"required":1,"open_postings":1,"first_seen":"2026-07-15","last_seen":"2026-07-15","median_stated_pay_usd":null},{"name":"Milvus","layer":"data","postings":1,"share":0.3333,"required":1,"open_postings":1,"first_seen":"2026-07-15","last_seen":"2026-07-15","median_stated_pay_usd":null},{"name":"Pinecone","layer":"data","postings":1,"share":0.3333,"required":1,"open_postings":1,"first_seen":"2026-07-15","last_seen":"2026-07-15","median_stated_pay_usd":null},{"name":"PostgreSQL","layer":"data","postings":1,"share":0.3333,"required":1,"open_postings":1,"first_seen":"2026-07-15","last_seen":"2026-07-15","median_stated_pay_usd":null},{"name":"RAG","layer":"practices","postings":1,"share":0.3333,"required":1,"open_postings":1,"first_seen":"2026-07-15","last_seen":"2026-07-15","median_stated_pay_usd":null},{"name":"Semantic Search","layer":"practices","postings":1,"share":0.3333,"required":1,"open_postings":1,"first_seen":"2026-07-15","last_seen":"2026-07-15","median_stated_pay_usd":null},{"name":"TypeScript","layer":"languages","postings":1,"share":0.3333,"required":1,"open_postings":1,"first_seen":"2026-07-15","last_seen":"2026-07-15","median_stated_pay_usd":null},{"name":"Weaviate","layer":"data","postings":1,"share":0.3333,"required":1,"open_postings":1,"first_seen":"2026-07-15","last_seen":"2026-07-15","median_stated_pay_usd":null},{"name":"pgvector","layer":"frameworks","postings":1,"share":0.3333,"required":1,"open_postings":1,"first_seen":"2026-07-15","last_seen":"2026-07-15","median_stated_pay_usd":null}],"own_products":[],"changes":{"first_appeared":[],"rising":[],"falling":[],"not_seen_180d":[]},"similar_stacks":[{"name":"Safe Security","url":"https://alion.io/company/safe-security-2/technologies","shared_technologies":19},{"name":"VentureOne","url":"https://alion.io/company/ventureone/technologies","shared_technologies":18},{"name":"Progressive Leasing","url":"https://alion.io/company/progressive-leasing/technologies","shared_technologies":18},{"name":"r3 Consultant","url":"https://alion.io/company/r3-consultant/technologies","shared_technologies":18},{"name":"Unico Connect","url":"https://alion.io/company/unicoconnect/technologies","shared_technologies":19},{"name":"Swimlane","url":"https://alion.io/company/swimlane/technologies","shared_technologies":18},{"name":"sa.global","url":"https://alion.io/company/saglobal-2/technologies","shared_technologies":18},{"name":"Aperia Solutions","url":"https://alion.io/company/aperia-solutions/technologies","shared_technologies":20}],"html_url":"https://alion.io/company/propel/technologies","json_url":"https://alion.io/company/propel/technologies.json","license":"CC BY-SA 4.0","meta":{"source":"Alion","built_at":"2026-10-17T01:00:48Z","generated_at":"2026-10-17T09:27:31Z"}}