{"company":{"id":4017,"name":"Cortoptyltd","domain":"cortoptyltd.com","url":"https://alion.io/company/cortoptyltd"},"answer":"Cortoptyltd builds mostly with TypeScript, C#, Python, JavaScript. Its stack also includes AWS, AWS Lambda, DynamoDB, PostgreSQL. AWS is named in 14 of the 21 job postings Cortoptyltd published in the last 12 months (67%). Counted by Alion from the job postings of Cortoptyltd, updated Sep 30, 2026.","window_days":365,"postings_analysed":21,"open_postings":8,"technologies_in_use":87,"modernity_score":82,"ai_adoption":true,"technologies":[{"name":"AWS","layer":"cloud","postings":14,"share":0.6667,"required":14,"open_postings":5,"first_seen":"2026-06-14","last_seen":"2026-09-17","median_stated_pay_usd":null},{"name":"TypeScript","layer":"languages","postings":10,"share":0.4762,"required":10,"open_postings":4,"first_seen":"2026-06-15","last_seen":"2026-09-21","median_stated_pay_usd":null},{"name":"CI/CD","layer":"practices","postings":7,"share":0.3333,"required":7,"open_postings":2,"first_seen":"2026-07-21","last_seen":"2026-09-16","median_stated_pay_usd":null},{"name":"C#","layer":"languages","postings":7,"share":0.3333,"required":6,"open_postings":3,"first_seen":"2026-06-28","last_seen":"2026-09-17","median_stated_pay_usd":null},{"name":"Python","layer":"languages","postings":7,"share":0.3333,"required":6,"open_postings":3,"first_seen":"2026-06-28","last_seen":"2026-09-17","median_stated_pay_usd":null},{"name":"JavaScript","layer":"languages","postings":7,"share":0.3333,"required":5,"open_postings":3,"first_seen":"2026-06-15","last_seen":"2026-09-21","median_stated_pay_usd":null},{"name":"AWS Lambda","layer":"cloud","postings":6,"share":0.2857,"required":6,"open_postings":4,"first_seen":"2026-06-28","last_seen":"2026-09-16","median_stated_pay_usd":null},{"name":"DynamoDB","layer":"data","postings":6,"share":0.2857,"required":6,"open_postings":4,"first_seen":"2026-06-28","last_seen":"2026-09-17","median_stated_pay_usd":null},{"name":"Amazon ECS","layer":"cloud","postings":5,"share":0.2381,"required":5,"open_postings":3,"first_seen":"2026-06-28","last_seen":"2026-09-16","median_stated_pay_usd":null},{"name":"Amazon S3","layer":"cloud","postings":5,"share":0.2381,"required":5,"open_postings":3,"first_seen":"2026-06-28","last_seen":"2026-09-16","median_stated_pay_usd":null},{"name":"LLM","layer":"ai","postings":5,"share":0.2381,"required":5,"open_postings":3,"first_seen":"2026-06-28","last_seen":"2026-09-16","median_stated_pay_usd":null},{"name":"PostgreSQL","layer":"data","postings":5,"share":0.2381,"required":5,"open_postings":3,"first_seen":"2026-06-28","last_seen":"2026-09-17","median_stated_pay_usd":null},{"name":"Node JS","layer":"languages","postings":5,"share":0.2381,"required":4,"open_postings":3,"first_seen":"2026-06-15","last_seen":"2026-09-21","median_stated_pay_usd":null},{"name":"Claude","layer":"ai","postings":4,"share":0.1905,"required":4,"open_postings":1,"first_seen":"2026-06-28","last_seen":"2026-08-19","median_stated_pay_usd":null},{"name":"MS SQL","layer":"data","postings":4,"share":0.1905,"required":4,"open_postings":2,"first_seen":"2026-06-28","last_seen":"2026-09-17","median_stated_pay_usd":null},{"name":"ASP.NET Core","layer":"frameworks","postings":3,"share":0.1429,"required":3,"open_postings":1,"first_seen":"2026-06-28","last_seen":"2026-08-14","median_stated_pay_usd":null},{"name":"Datadog","layer":"cloud","postings":3,"share":0.1429,"required":3,"open_postings":2,"first_seen":"2026-06-28","last_seen":"2026-09-16","median_stated_pay_usd":null},{"name":"Docker","layer":"tools","postings":3,"share":0.1429,"required":3,"open_postings":3,"first_seen":"2026-08-19","last_seen":"2026-09-16","median_stated_pay_usd":null},{"name":"IAM","layer":"practices","postings":3,"share":0.1429,"required":3,"open_postings":2,"first_seen":"2026-06-14","last_seen":"2026-09-16","median_stated_pay_usd":null},{"name":"Model Context Protocol","layer":"tools","postings":3,"share":0.1429,"required":3,"open_postings":0,"first_seen":"2026-06-28","last_seen":"2026-08-25","median_stated_pay_usd":null},{"name":"RAG","layer":"practices","postings":3,"share":0.1429,"required":3,"open_postings":1,"first_seen":"2026-06-28","last_seen":"2026-09-17","median_stated_pay_usd":null},{"name":"React.js","layer":"frameworks","postings":3,"share":0.1429,"required":3,"open_postings":1,"first_seen":"2026-06-15","last_seen":"2026-09-21","median_stated_pay_usd":null},{"name":"Rest API","layer":"tools","postings":3,"share":0.1429,"required":3,"open_postings":1,"first_seen":"2026-07-20","last_seen":"2026-08-12","median_stated_pay_usd":null},{"name":"SQL","layer":"languages","postings":3,"share":0.1429,"required":3,"open_postings":1,"first_seen":"2026-06-28","last_seen":"2026-09-16","median_stated_pay_usd":null},{"name":".NET","layer":"cloud","postings":2,"share":0.0952,"required":2,"open_postings":0,"first_seen":"2026-07-20","last_seen":"2026-08-12","median_stated_pay_usd":null},{"name":"AI Agents","layer":"practices","postings":2,"share":0.0952,"required":2,"open_postings":0,"first_seen":"2026-06-28","last_seen":"2026-07-20","median_stated_pay_usd":null},{"name":"AWS Bedrock","layer":"cloud","postings":2,"share":0.0952,"required":2,"open_postings":2,"first_seen":"2026-08-19","last_seen":"2026-09-16","median_stated_pay_usd":null},{"name":"Claude Code","layer":"tools","postings":2,"share":0.0952,"required":2,"open_postings":1,"first_seen":"2026-07-20","last_seen":"2026-09-17","median_stated_pay_usd":null},{"name":"Copilot","layer":"tools","postings":2,"share":0.0952,"required":2,"open_postings":1,"first_seen":"2026-07-20","last_seen":"2026-09-17","median_stated_pay_usd":null},{"name":"Embeddings","layer":"practices","postings":2,"share":0.0952,"required":2,"open_postings":1,"first_seen":"2026-06-28","last_seen":"2026-08-19","median_stated_pay_usd":null},{"name":"FastAI","layer":"frameworks","postings":2,"share":0.0952,"required":2,"open_postings":1,"first_seen":"2026-07-22","last_seen":"2026-09-16","median_stated_pay_usd":null},{"name":"Function Calling","layer":"practices","postings":2,"share":0.0952,"required":2,"open_postings":1,"first_seen":"2026-06-28","last_seen":"2026-09-21","median_stated_pay_usd":null},{"name":"LLM Guardrails","layer":"practices","postings":2,"share":0.0952,"required":2,"open_postings":1,"first_seen":"2026-06-14","last_seen":"2026-09-16","median_stated_pay_usd":null},{"name":"LangSmith","layer":"cloud","postings":2,"share":0.0952,"required":2,"open_postings":0,"first_seen":"2026-06-28","last_seen":"2026-07-21","median_stated_pay_usd":null},{"name":"Langfuse","layer":"cloud","postings":2,"share":0.0952,"required":2,"open_postings":1,"first_seen":"2026-06-28","last_seen":"2026-09-16","median_stated_pay_usd":null},{"name":"Next.js","layer":"frameworks","postings":2,"share":0.0952,"required":2,"open_postings":0,"first_seen":"2026-06-15","last_seen":"2026-08-10","median_stated_pay_usd":null},{"name":"OpenAI","layer":"cloud","postings":2,"share":0.0952,"required":2,"open_postings":1,"first_seen":"2026-06-28","last_seen":"2026-08-11","median_stated_pay_usd":null},{"name":"Postman","layer":"cloud","postings":2,"share":0.0952,"required":2,"open_postings":0,"first_seen":"2026-08-12","last_seen":"2026-08-25","median_stated_pay_usd":null},{"name":"Prompt Engineering","layer":"practices","postings":2,"share":0.0952,"required":2,"open_postings":1,"first_seen":"2026-06-28","last_seen":"2026-08-11","median_stated_pay_usd":null},{"name":"SIEM","layer":"cloud","postings":2,"share":0.0952,"required":2,"open_postings":0,"first_seen":"2026-06-14","last_seen":"2026-08-18","median_stated_pay_usd":null},{"name":"PyTorch","layer":"frameworks","postings":2,"share":0.0952,"required":1,"open_postings":1,"first_seen":"2026-07-22","last_seen":"2026-09-16","median_stated_pay_usd":null},{"name":"AWS Step Functions","layer":"cloud","postings":1,"share":0.0476,"required":1,"open_postings":1,"first_seen":"2026-08-19","last_seen":"2026-08-19","median_stated_pay_usd":null},{"name":"Amazon CloudWatch","layer":"cloud","postings":1,"share":0.0476,"required":1,"open_postings":1,"first_seen":"2026-09-16","last_seen":"2026-09-16","median_stated_pay_usd":null},{"name":"Amazon EC2","layer":"cloud","postings":1,"share":0.0476,"required":1,"open_postings":1,"first_seen":"2026-09-16","last_seen":"2026-09-16","median_stated_pay_usd":null},{"name":"Amazon EKS","layer":"cloud","postings":1,"share":0.0476,"required":1,"open_postings":1,"first_seen":"2026-09-16","last_seen":"2026-09-16","median_stated_pay_usd":null},{"name":"Anthropic","layer":"cloud","postings":1,"share":0.0476,"required":1,"open_postings":0,"first_seen":"2026-06-28","last_seen":"2026-06-28","median_stated_pay_usd":null},{"name":"Azure","layer":"cloud","postings":1,"share":0.0476,"required":1,"open_postings":1,"first_seen":"2026-09-17","last_seen":"2026-09-17","median_stated_pay_usd":null},{"name":"Bitbucket","layer":"cloud","postings":1,"share":0.0476,"required":1,"open_postings":0,"first_seen":"2026-08-10","last_seen":"2026-08-10","median_stated_pay_usd":null},{"name":"Clean Architecture","layer":"practices","postings":1,"share":0.0476,"required":1,"open_postings":0,"first_seen":"2026-08-14","last_seen":"2026-08-14","median_stated_pay_usd":null},{"name":"Cypress","layer":"frameworks","postings":1,"share":0.0476,"required":1,"open_postings":0,"first_seen":"2026-08-25","last_seen":"2026-08-25","median_stated_pay_usd":null},{"name":"Electron","layer":"frameworks","postings":1,"share":0.0476,"required":1,"open_postings":0,"first_seen":"2026-08-10","last_seen":"2026-08-10","median_stated_pay_usd":null},{"name":"GCP","layer":"cloud","postings":1,"share":0.0476,"required":1,"open_postings":1,"first_seen":"2026-09-17","last_seen":"2026-09-17","median_stated_pay_usd":null},{"name":"Git","layer":"tools","postings":1,"share":0.0476,"required":1,"open_postings":0,"first_seen":"2026-08-10","last_seen":"2026-08-10","median_stated_pay_usd":null},{"name":"GitHub","layer":"cloud","postings":1,"share":0.0476,"required":1,"open_postings":0,"first_seen":"2026-07-20","last_seen":"2026-07-20","median_stated_pay_usd":null},{"name":"Go","layer":"languages","postings":1,"share":0.0476,"required":1,"open_postings":1,"first_seen":"2026-09-17","last_seen":"2026-09-17","median_stated_pay_usd":null},{"name":"Grafana","layer":"cloud","postings":1,"share":0.0476,"required":1,"open_postings":1,"first_seen":"2026-09-16","last_seen":"2026-09-16","median_stated_pay_usd":null},{"name":"GraphQL","layer":"tools","postings":1,"share":0.0476,"required":1,"open_postings":0,"first_seen":"2026-08-10","last_seen":"2026-08-10","median_stated_pay_usd":null},{"name":"Jotai","layer":"frameworks","postings":1,"share":0.0476,"required":1,"open_postings":0,"first_seen":"2026-08-10","last_seen":"2026-08-10","median_stated_pay_usd":null},{"name":"Kubernetes","layer":"cloud","postings":1,"share":0.0476,"required":1,"open_postings":1,"first_seen":"2026-09-16","last_seen":"2026-09-16","median_stated_pay_usd":null},{"name":"LLM Evaluation","layer":"practices","postings":1,"share":0.0476,"required":1,"open_postings":1,"first_seen":"2026-08-19","last_seen":"2026-08-19","median_stated_pay_usd":null},{"name":"Machine Learning","layer":"practices","postings":1,"share":0.0476,"required":1,"open_postings":1,"first_seen":"2026-09-21","last_seen":"2026-09-21","median_stated_pay_usd":null},{"name":"Microsoft Entra ID","layer":"cloud","postings":1,"share":0.0476,"required":1,"open_postings":0,"first_seen":"2026-08-18","last_seen":"2026-08-18","median_stated_pay_usd":null},{"name":"Multimodal AI","layer":"practices","postings":1,"share":0.0476,"required":1,"open_postings":1,"first_seen":"2026-08-19","last_seen":"2026-08-19","median_stated_pay_usd":null},{"name":"MySQL","layer":"data","postings":1,"share":0.0476,"required":1,"open_postings":1,"first_seen":"2026-08-19","last_seen":"2026-08-19","median_stated_pay_usd":null},{"name":"Nest.JS","layer":"frameworks","postings":1,"share":0.0476,"required":1,"open_postings":0,"first_seen":"2026-06-15","last_seen":"2026-06-15","median_stated_pay_usd":null},{"name":"Pact","layer":"frameworks","postings":1,"share":0.0476,"required":1,"open_postings":0,"first_seen":"2026-08-12","last_seen":"2026-08-12","median_stated_pay_usd":null},{"name":"Playwright","layer":"frameworks","postings":1,"share":0.0476,"required":1,"open_postings":0,"first_seen":"2026-08-25","last_seen":"2026-08-25","median_stated_pay_usd":null},{"name":"Prometheus","layer":"tools","postings":1,"share":0.0476,"required":1,"open_postings":1,"first_seen":"2026-09-16","last_seen":"2026-09-16","median_stated_pay_usd":null},{"name":"Prompt Caching","layer":"practices","postings":1,"share":0.0476,"required":1,"open_postings":1,"first_seen":"2026-08-19","last_seen":"2026-08-19","median_stated_pay_usd":null},{"name":"Radix UI","layer":"frameworks","postings":1,"share":0.0476,"required":1,"open_postings":0,"first_seen":"2026-08-10","last_seen":"2026-08-10","median_stated_pay_usd":null},{"name":"React Query","layer":"frameworks","postings":1,"share":0.0476,"required":1,"open_postings":0,"first_seen":"2026-08-10","last_seen":"2026-08-10","median_stated_pay_usd":null},{"name":"Redis","layer":"data","postings":1,"share":0.0476,"required":1,"open_postings":1,"first_seen":"2026-09-17","last_seen":"2026-09-17","median_stated_pay_usd":null},{"name":"Redux","layer":"frameworks","postings":1,"share":0.0476,"required":1,"open_postings":0,"first_seen":"2026-08-10","last_seen":"2026-08-10","median_stated_pay_usd":null},{"name":"Redux Toolkit","layer":"frameworks","postings":1,"share":0.0476,"required":1,"open_postings":0,"first_seen":"2026-08-10","last_seen":"2026-08-10","median_stated_pay_usd":null},{"name":"Structured Outputs","layer":"practices","postings":1,"share":0.0476,"required":1,"open_postings":0,"first_seen":"2026-06-28","last_seen":"2026-06-28","median_stated_pay_usd":null},{"name":"Swagger","layer":"tools","postings":1,"share":0.0476,"required":1,"open_postings":0,"first_seen":"2026-08-12","last_seen":"2026-08-12","median_stated_pay_usd":null},{"name":"Tailwind CSS","layer":"frameworks","postings":1,"share":0.0476,"required":1,"open_postings":0,"first_seen":"2026-08-10","last_seen":"2026-08-10","median_stated_pay_usd":null},{"name":"Terraform","layer":"tools","postings":1,"share":0.0476,"required":1,"open_postings":1,"first_seen":"2026-09-16","last_seen":"2026-09-16","median_stated_pay_usd":null},{"name":"Tool Use","layer":"practices","postings":1,"share":0.0476,"required":1,"open_postings":1,"first_seen":"2026-09-21","last_seen":"2026-09-21","median_stated_pay_usd":null},{"name":"Trunk-Based Development","layer":"practices","postings":1,"share":0.0476,"required":1,"open_postings":1,"first_seen":"2026-09-16","last_seen":"2026-09-16","median_stated_pay_usd":null},{"name":"Vercel","layer":"cloud","postings":1,"share":0.0476,"required":1,"open_postings":0,"first_seen":"2026-08-18","last_seen":"2026-08-18","median_stated_pay_usd":null},{"name":"WebSockets","layer":"tools","postings":1,"share":0.0476,"required":1,"open_postings":0,"first_seen":"2026-06-28","last_seen":"2026-06-28","median_stated_pay_usd":null},{"name":"Zustand","layer":"frameworks","postings":1,"share":0.0476,"required":1,"open_postings":0,"first_seen":"2026-08-10","last_seen":"2026-08-10","median_stated_pay_usd":null},{"name":"pgvector","layer":"frameworks","postings":1,"share":0.0476,"required":1,"open_postings":0,"first_seen":"2026-06-28","last_seen":"2026-06-28","median_stated_pay_usd":null},{"name":"shadcn/ui","layer":"frameworks","postings":1,"share":0.0476,"required":1,"open_postings":0,"first_seen":"2026-08-10","last_seen":"2026-08-10","median_stated_pay_usd":null},{"name":"tRPC","layer":"frameworks","postings":1,"share":0.0476,"required":1,"open_postings":0,"first_seen":"2026-08-10","last_seen":"2026-08-10","median_stated_pay_usd":null},{"name":"Java","layer":"languages","postings":1,"share":0.0476,"required":0,"open_postings":1,"first_seen":"2026-09-17","last_seen":"2026-09-17","median_stated_pay_usd":null}],"own_products":[],"changes":{"first_appeared":[],"rising":[],"falling":[],"not_seen_180d":[]},"similar_stacks":[{"name":"Amtech Software","url":"https://alion.io/company/amtechsoftware/technologies","shared_technologies":64},{"name":"Amazon.jobs","url":"https://alion.io/company/amazon-jobs/technologies","shared_technologies":62},{"name":"DACodes","url":"https://alion.io/company/dacodes/technologies","shared_technologies":64},{"name":"Solvd","url":"https://alion.io/company/solvd/technologies","shared_technologies":61},{"name":"CodeRoad","url":"https://alion.io/company/coderoad/technologies","shared_technologies":67},{"name":"Alongside","url":"https://alion.io/company/alongside/technologies","shared_technologies":61},{"name":"Robots & Pencils","url":"https://alion.io/company/robots-and-pencils/technologies","shared_technologies":65},{"name":"Shyftlabs","url":"https://alion.io/company/shyftlabs/technologies","shared_technologies":58}],"html_url":"https://alion.io/company/cortoptyltd/technologies","json_url":"https://alion.io/company/cortoptyltd/technologies.json","license":"CC BY-SA 4.0","meta":{"source":"Alion","built_at":"2026-09-30T22:46:28Z","generated_at":"2026-10-01T10:36:37Z"}}