{"company":{"id":14288,"name":"Notion","domain":"notion.com","url":"https://alion.io/company/notion"},"answer":"Notion builds mostly with JavaScript, TypeScript, Python, Node JS. Its stack also includes React.js, AWS, PostgreSQL, Azure. JavaScript is named in 21 of the 141 job postings Notion published in the last 12 months (15%). Counted by Alion from the job postings of Notion, updated Sep 27, 2026.","window_days":365,"postings_analysed":141,"open_postings":109,"technologies_in_use":94,"modernity_score":86,"ai_adoption":true,"technologies":[{"name":"AI Agents","layer":"practices","postings":138,"share":0.9787,"required":137,"open_postings":108,"first_seen":"2025-07-25","last_seen":"2026-09-24","median_stated_pay_usd":229591},{"name":"JavaScript","layer":"languages","postings":21,"share":0.1489,"required":11,"open_postings":13,"first_seen":"2025-08-07","last_seen":"2026-09-24","median_stated_pay_usd":200500},{"name":"TypeScript","layer":"languages","postings":20,"share":0.1418,"required":12,"open_postings":14,"first_seen":"2026-04-06","last_seen":"2026-09-24","median_stated_pay_usd":261000},{"name":"Python","layer":"languages","postings":19,"share":0.1348,"required":15,"open_postings":15,"first_seen":"2025-08-07","last_seen":"2026-09-24","median_stated_pay_usd":200000},{"name":"Node JS","layer":"languages","postings":18,"share":0.1277,"required":10,"open_postings":12,"first_seen":"2025-08-07","last_seen":"2026-09-24","median_stated_pay_usd":200500},{"name":"LLM","layer":"ai","postings":15,"share":0.1064,"required":7,"open_postings":9,"first_seen":"2025-08-07","last_seen":"2026-09-23","median_stated_pay_usd":300000},{"name":"SQL","layer":"languages","postings":14,"share":0.0993,"required":9,"open_postings":11,"first_seen":"2025-08-07","last_seen":"2026-09-16","median_stated_pay_usd":190000},{"name":"React.js","layer":"frameworks","postings":12,"share":0.0851,"required":3,"open_postings":8,"first_seen":"2026-04-06","last_seen":"2026-09-24","median_stated_pay_usd":177500},{"name":"AWS","layer":"cloud","postings":9,"share":0.0638,"required":7,"open_postings":7,"first_seen":"2026-01-29","last_seen":"2026-09-15","median_stated_pay_usd":240000},{"name":"Embeddings","layer":"practices","postings":8,"share":0.0567,"required":8,"open_postings":5,"first_seen":"2026-04-06","last_seen":"2026-08-19","median_stated_pay_usd":null},{"name":"Model Context Protocol","layer":"tools","postings":8,"share":0.0567,"required":7,"open_postings":7,"first_seen":"2025-08-07","last_seen":"2026-09-15","median_stated_pay_usd":null},{"name":"PostgreSQL","layer":"data","postings":8,"share":0.0567,"required":5,"open_postings":6,"first_seen":"2026-05-07","last_seen":"2026-09-24","median_stated_pay_usd":200000},{"name":"LLM Guardrails","layer":"practices","postings":7,"share":0.0496,"required":7,"open_postings":5,"first_seen":"2025-11-06","last_seen":"2026-07-14","median_stated_pay_usd":240000},{"name":"Agentic Workflows","layer":"practices","postings":7,"share":0.0496,"required":6,"open_postings":6,"first_seen":"2026-02-12","last_seen":"2026-09-15","median_stated_pay_usd":null},{"name":"CI/CD","layer":"practices","postings":6,"share":0.0426,"required":5,"open_postings":3,"first_seen":"2026-06-16","last_seen":"2026-09-15","median_stated_pay_usd":null},{"name":"Azure","layer":"cloud","postings":6,"share":0.0426,"required":4,"open_postings":4,"first_seen":"2026-01-29","last_seen":"2026-09-15","median_stated_pay_usd":null},{"name":"GCP","layer":"cloud","postings":6,"share":0.0426,"required":4,"open_postings":4,"first_seen":"2026-01-29","last_seen":"2026-09-15","median_stated_pay_usd":null},{"name":"MySQL","layer":"data","postings":6,"share":0.0426,"required":4,"open_postings":5,"first_seen":"2026-02-12","last_seen":"2026-09-16","median_stated_pay_usd":192500},{"name":"Figma","layer":"cloud","postings":5,"share":0.0355,"required":2,"open_postings":4,"first_seen":"2026-05-26","last_seen":"2026-09-08","median_stated_pay_usd":null},{"name":"OpenAI","layer":"cloud","postings":5,"share":0.0355,"required":2,"open_postings":4,"first_seen":"2026-05-26","last_seen":"2026-09-08","median_stated_pay_usd":null},{"name":"Function Calling","layer":"practices","postings":4,"share":0.0284,"required":1,"open_postings":4,"first_seen":"2026-05-21","last_seen":"2026-09-23","median_stated_pay_usd":null},{"name":"Tool Use","layer":"practices","postings":4,"share":0.0284,"required":1,"open_postings":4,"first_seen":"2026-05-21","last_seen":"2026-09-23","median_stated_pay_usd":null},{"name":"Claude Code","layer":"tools","postings":4,"share":0.0284,"required":0,"open_postings":4,"first_seen":"2025-11-06","last_seen":"2026-08-14","median_stated_pay_usd":null},{"name":"Kubernetes","layer":"cloud","postings":4,"share":0.0284,"required":0,"open_postings":1,"first_seen":"2026-01-29","last_seen":"2026-09-15","median_stated_pay_usd":null},{"name":"RAG","layer":"practices","postings":4,"share":0.0284,"required":0,"open_postings":3,"first_seen":"2025-08-07","last_seen":"2026-09-15","median_stated_pay_usd":null},{"name":"Claude","layer":"ai","postings":3,"share":0.0213,"required":3,"open_postings":2,"first_seen":"2026-02-12","last_seen":"2026-09-16","median_stated_pay_usd":null},{"name":"Human-in-the-Loop","layer":"practices","postings":3,"share":0.0213,"required":3,"open_postings":3,"first_seen":"2025-11-06","last_seen":"2026-07-06","median_stated_pay_usd":null},{"name":"Rest API","layer":"tools","postings":3,"share":0.0213,"required":3,"open_postings":2,"first_seen":"2026-04-27","last_seen":"2026-09-15","median_stated_pay_usd":null},{"name":"Windows","layer":"cloud","postings":3,"share":0.0213,"required":3,"open_postings":3,"first_seen":"2026-04-27","last_seen":"2026-09-08","median_stated_pay_usd":null},{"name":"Go","layer":"languages","postings":3,"share":0.0213,"required":2,"open_postings":2,"first_seen":"2026-06-23","last_seen":"2026-09-16","median_stated_pay_usd":null},{"name":"Cursor","layer":"tools","postings":3,"share":0.0213,"required":0,"open_postings":3,"first_seen":"2025-11-06","last_seen":"2026-07-06","median_stated_pay_usd":null},{"name":"ETL/ELT","layer":"practices","postings":3,"share":0.0213,"required":0,"open_postings":2,"first_seen":"2025-08-07","last_seen":"2026-09-09","median_stated_pay_usd":null},{"name":"ElasticSearch","layer":"data","postings":3,"share":0.0213,"required":0,"open_postings":3,"first_seen":"2026-07-06","last_seen":"2026-08-14","median_stated_pay_usd":null},{"name":"Prompt Engineering","layer":"practices","postings":3,"share":0.0213,"required":0,"open_postings":2,"first_seen":"2025-08-07","last_seen":"2026-09-09","median_stated_pay_usd":null},{"name":"A/B Testing","layer":"practices","postings":2,"share":0.0142,"required":2,"open_postings":1,"first_seen":"2026-07-20","last_seen":"2026-09-01","median_stated_pay_usd":null},{"name":"ChatGPT","layer":"ai","postings":2,"share":0.0142,"required":2,"open_postings":2,"first_seen":"2026-09-16","last_seen":"2026-09-23","median_stated_pay_usd":null},{"name":"Edge AI","layer":"practices","postings":2,"share":0.0142,"required":2,"open_postings":1,"first_seen":"2026-05-26","last_seen":"2026-07-06","median_stated_pay_usd":null},{"name":"Okta","layer":"cloud","postings":2,"share":0.0142,"required":2,"open_postings":2,"first_seen":"2026-06-08","last_seen":"2026-09-08","median_stated_pay_usd":null},{"name":"SIEM","layer":"cloud","postings":2,"share":0.0142,"required":2,"open_postings":0,"first_seen":"2026-01-29","last_seen":"2026-06-10","median_stated_pay_usd":null},{"name":"Terraform","layer":"tools","postings":2,"share":0.0142,"required":2,"open_postings":2,"first_seen":"2026-06-08","last_seen":"2026-09-08","median_stated_pay_usd":null},{"name":"YARA","layer":"languages","postings":2,"share":0.0142,"required":2,"open_postings":0,"first_seen":"2026-01-29","last_seen":"2026-06-10","median_stated_pay_usd":null},{"name":"YARA","layer":"tools","postings":2,"share":0.0142,"required":2,"open_postings":0,"first_seen":"2026-01-29","last_seen":"2026-06-10","median_stated_pay_usd":null},{"name":"Java","layer":"languages","postings":2,"share":0.0142,"required":1,"open_postings":2,"first_seen":"2026-02-12","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"Amazon S3","layer":"cloud","postings":1,"share":0.0071,"required":1,"open_postings":1,"first_seen":"2026-09-21","last_seen":"2026-09-21","median_stated_pay_usd":null},{"name":"Anthropic","layer":"cloud","postings":1,"share":0.0071,"required":1,"open_postings":1,"first_seen":"2026-07-02","last_seen":"2026-07-02","median_stated_pay_usd":null},{"name":"Apache Kafka","layer":"cloud","postings":1,"share":0.0071,"required":1,"open_postings":1,"first_seen":"2026-09-21","last_seen":"2026-09-21","median_stated_pay_usd":null},{"name":"Appium","layer":"frameworks","postings":1,"share":0.0071,"required":1,"open_postings":0,"first_seen":"2026-07-28","last_seen":"2026-07-28","median_stated_pay_usd":null},{"name":"Copilot","layer":"tools","postings":1,"share":0.0071,"required":1,"open_postings":1,"first_seen":"2026-09-01","last_seen":"2026-09-01","median_stated_pay_usd":null},{"name":"Cypress","layer":"frameworks","postings":1,"share":0.0071,"required":1,"open_postings":0,"first_seen":"2026-07-28","last_seen":"2026-07-28","median_stated_pay_usd":null},{"name":"Datadog","layer":"cloud","postings":1,"share":0.0071,"required":1,"open_postings":0,"first_seen":"2026-06-16","last_seen":"2026-06-16","median_stated_pay_usd":null},{"name":"Deep Linking","layer":"practices","postings":1,"share":0.0071,"required":1,"open_postings":0,"first_seen":"2026-07-20","last_seen":"2026-07-20","median_stated_pay_usd":null},{"name":"EU AI Act","layer":"practices","postings":1,"share":0.0071,"required":1,"open_postings":1,"first_seen":"2026-09-01","last_seen":"2026-09-01","median_stated_pay_usd":null},{"name":"Git","layer":"tools","postings":1,"share":0.0071,"required":1,"open_postings":1,"first_seen":"2026-09-15","last_seen":"2026-09-15","median_stated_pay_usd":null},{"name":"Honeycomb","layer":"cloud","postings":1,"share":0.0071,"required":1,"open_postings":0,"first_seen":"2026-06-16","last_seen":"2026-06-16","median_stated_pay_usd":null},{"name":"IAM","layer":"practices","postings":1,"share":0.0071,"required":1,"open_postings":1,"first_seen":"2026-08-07","last_seen":"2026-08-07","median_stated_pay_usd":null},{"name":"Incident Management","layer":"practices","postings":1,"share":0.0071,"required":1,"open_postings":1,"first_seen":"2026-07-27","last_seen":"2026-07-27","median_stated_pay_usd":null},{"name":"Jest","layer":"frameworks","postings":1,"share":0.0071,"required":1,"open_postings":0,"first_seen":"2026-07-20","last_seen":"2026-07-20","median_stated_pay_usd":null},{"name":"Kotlin","layer":"languages","postings":1,"share":0.0071,"required":1,"open_postings":1,"first_seen":"2026-09-24","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"Looker","layer":"cloud","postings":1,"share":0.0071,"required":1,"open_postings":1,"first_seen":"2026-07-24","last_seen":"2026-07-24","median_stated_pay_usd":null},{"name":"Next.js","layer":"frameworks","postings":1,"share":0.0071,"required":1,"open_postings":0,"first_seen":"2026-07-20","last_seen":"2026-07-20","median_stated_pay_usd":null},{"name":"OpenAI Codex","layer":"tools","postings":1,"share":0.0071,"required":1,"open_postings":1,"first_seen":"2026-02-12","last_seen":"2026-02-12","median_stated_pay_usd":null},{"name":"Playwright","layer":"frameworks","postings":1,"share":0.0071,"required":1,"open_postings":0,"first_seen":"2026-07-28","last_seen":"2026-07-28","median_stated_pay_usd":null},{"name":"Recommender Systems","layer":"practices","postings":1,"share":0.0071,"required":1,"open_postings":0,"first_seen":"2026-07-15","last_seen":"2026-07-15","median_stated_pay_usd":null},{"name":"Red Teaming","layer":"practices","postings":1,"share":0.0071,"required":1,"open_postings":1,"first_seen":"2026-06-09","last_seen":"2026-06-09","median_stated_pay_usd":null},{"name":"Redux","layer":"frameworks","postings":1,"share":0.0071,"required":1,"open_postings":0,"first_seen":"2026-07-20","last_seen":"2026-07-20","median_stated_pay_usd":null},{"name":"Rust","layer":"languages","postings":1,"share":0.0071,"required":1,"open_postings":1,"first_seen":"2026-09-24","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"SLI/SLO/SLA","layer":"practices","postings":1,"share":0.0071,"required":1,"open_postings":0,"first_seen":"2026-06-16","last_seen":"2026-06-16","median_stated_pay_usd":null},{"name":"Selenium","layer":"frameworks","postings":1,"share":0.0071,"required":1,"open_postings":0,"first_seen":"2026-07-28","last_seen":"2026-07-28","median_stated_pay_usd":null},{"name":"Self-Healing","layer":"practices","postings":1,"share":0.0071,"required":1,"open_postings":1,"first_seen":"2026-09-23","last_seen":"2026-09-23","median_stated_pay_usd":null},{"name":"Semantic Search","layer":"practices","postings":1,"share":0.0071,"required":1,"open_postings":1,"first_seen":"2026-06-11","last_seen":"2026-06-11","median_stated_pay_usd":null},{"name":"Semantic Search","layer":"practices","postings":1,"share":0.0071,"required":1,"open_postings":1,"first_seen":"2026-06-11","last_seen":"2026-06-11","median_stated_pay_usd":null},{"name":"Shift-Left","layer":"practices","postings":1,"share":0.0071,"required":1,"open_postings":0,"first_seen":"2026-07-28","last_seen":"2026-07-28","median_stated_pay_usd":null},{"name":"Snowflake","layer":"data","postings":1,"share":0.0071,"required":1,"open_postings":1,"first_seen":"2026-06-11","last_seen":"2026-06-11","median_stated_pay_usd":null},{"name":"State Management","layer":"practices","postings":1,"share":0.0071,"required":1,"open_postings":0,"first_seen":"2026-07-20","last_seen":"2026-07-20","median_stated_pay_usd":null},{"name":"Swift","layer":"languages","postings":1,"share":0.0071,"required":1,"open_postings":1,"first_seen":"2026-09-24","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"Tailwind CSS","layer":"frameworks","postings":1,"share":0.0071,"required":1,"open_postings":0,"first_seen":"2026-07-20","last_seen":"2026-07-20","median_stated_pay_usd":null},{"name":"Vitest","layer":"frameworks","postings":1,"share":0.0071,"required":1,"open_postings":0,"first_seen":"2026-07-20","last_seen":"2026-07-20","median_stated_pay_usd":null},{"name":"Webpack","layer":"tools","postings":1,"share":0.0071,"required":1,"open_postings":0,"first_seen":"2026-05-28","last_seen":"2026-05-28","median_stated_pay_usd":null},{"name":"styled-components","layer":"frameworks","postings":1,"share":0.0071,"required":1,"open_postings":0,"first_seen":"2026-07-20","last_seen":"2026-07-20","median_stated_pay_usd":null},{"name":"Android SDK","layer":"cloud","postings":1,"share":0.0071,"required":0,"open_postings":1,"first_seen":"2026-09-24","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"Braintrust","layer":"tools","postings":1,"share":0.0071,"required":0,"open_postings":1,"first_seen":"2026-06-18","last_seen":"2026-06-18","median_stated_pay_usd":null},{"name":"C++","layer":"languages","postings":1,"share":0.0071,"required":0,"open_postings":1,"first_seen":"2026-02-12","last_seen":"2026-02-12","median_stated_pay_usd":null},{"name":"Dagger","layer":"frameworks","postings":1,"share":0.0071,"required":0,"open_postings":1,"first_seen":"2026-09-24","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"Docker","layer":"tools","postings":1,"share":0.0071,"required":0,"open_postings":1,"first_seen":"2026-09-15","last_seen":"2026-09-15","median_stated_pay_usd":null},{"name":"GitHub","layer":"cloud","postings":1,"share":0.0071,"required":0,"open_postings":1,"first_seen":"2026-02-12","last_seen":"2026-02-12","median_stated_pay_usd":null},{"name":"Jetpack Compose","layer":"frameworks","postings":1,"share":0.0071,"required":0,"open_postings":1,"first_seen":"2026-09-24","last_seen":"2026-09-24","median_stated_pay_usd":null},{"name":"Linux","layer":"cloud","postings":1,"share":0.0071,"required":0,"open_postings":1,"first_seen":"2026-04-27","last_seen":"2026-04-27","median_stated_pay_usd":null},{"name":"MATLAB","layer":"languages","postings":1,"share":0.0071,"required":0,"open_postings":1,"first_seen":"2026-06-18","last_seen":"2026-06-18","median_stated_pay_usd":null},{"name":"Memcached","layer":"data","postings":1,"share":0.0071,"required":0,"open_postings":0,"first_seen":"2026-05-07","last_seen":"2026-05-07","median_stated_pay_usd":null},{"name":"Multimodal AI","layer":"practices","postings":1,"share":0.0071,"required":0,"open_postings":1,"first_seen":"2026-05-21","last_seen":"2026-05-21","median_stated_pay_usd":null},{"name":"Ray","layer":"frameworks","postings":1,"share":0.0071,"required":0,"open_postings":0,"first_seen":"2026-07-14","last_seen":"2026-07-14","median_stated_pay_usd":null},{"name":"SAS","layer":"languages","postings":1,"share":0.0071,"required":0,"open_postings":1,"first_seen":"2026-06-18","last_seen":"2026-06-18","median_stated_pay_usd":null},{"name":"Spark","layer":"cloud","postings":1,"share":0.0071,"required":0,"open_postings":0,"first_seen":"2026-07-14","last_seen":"2026-07-14","median_stated_pay_usd":null},{"name":"Tableau","layer":"cloud","postings":1,"share":0.0071,"required":0,"open_postings":1,"first_seen":"2026-08-13","last_seen":"2026-08-13","median_stated_pay_usd":null}],"own_products":[],"changes":{"first_appeared":[{"name":"ChatGPT","first_seen":"2026-09-16"},{"name":"A/B Testing","first_seen":"2026-07-20"},{"name":"ElasticSearch","first_seen":"2026-07-06"},{"name":"Go","first_seen":"2026-06-23"},{"name":"CI/CD","first_seen":"2026-06-16"},{"name":"Okta","first_seen":"2026-06-08"},{"name":"Terraform","first_seen":"2026-06-08"},{"name":"Figma","first_seen":"2026-05-26"}],"rising":[{"name":"Claude Code","share_from":0,"share_to":3},{"name":"ElasticSearch","share_from":0,"share_to":3}],"falling":[{"name":"LLM","share_from":21,"share_to":7},{"name":"TypeScript","share_from":24,"share_to":12},{"name":"LLM Guardrails","share_from":12,"share_to":2},{"name":"Azure","share_from":9,"share_to":2},{"name":"GCP","share_from":9,"share_to":2},{"name":"Figma","share_from":9,"share_to":2},{"name":"OpenAI","share_from":9,"share_to":2},{"name":"AWS","share_from":9,"share_to":5}],"not_seen_180d":[]},"similar_stacks":[{"name":"Robinhood","url":"https://alion.io/company/robinhood/technologies","shared_technologies":72},{"name":"UiPath","url":"https://alion.io/company/uipath/technologies","shared_technologies":68},{"name":"Harvey","url":"https://alion.io/company/harvey/technologies","shared_technologies":67},{"name":"Ping Identity","url":"https://alion.io/company/ping-identity/technologies","shared_technologies":67},{"name":"Reddit","url":"https://alion.io/company/reddit/technologies","shared_technologies":68},{"name":"Kraken","url":"https://alion.io/company/kraken/technologies","shared_technologies":66},{"name":"Illumina","url":"https://alion.io/company/illumina/technologies","shared_technologies":69},{"name":"Airbnb","url":"https://alion.io/company/airbnb/technologies","shared_technologies":68}],"html_url":"https://alion.io/company/notion/technologies","json_url":"https://alion.io/company/notion/technologies.json","license":"CC BY-SA 4.0","meta":{"source":"Alion","built_at":"2026-09-27T12:48:14Z","generated_at":"2026-09-27T23:03:33Z"}}