{"company":{"id":8919,"name":"Sierrastudio","domain":"sierrastudio.com","url":"https://alion.io/company/sierrastudio"},"answer":"Sierrastudio builds mostly with Python, SQL, JavaScript, TypeScript. Its stack also includes PostgreSQL, GitHub, AWS, FastAPI. Claude is named in 6 of the 12 job postings Sierrastudio published in the last 12 months (50%). Counted by Alion from the job postings of Sierrastudio, updated Sep 27, 2026.","window_days":365,"postings_analysed":12,"open_postings":10,"technologies_in_use":55,"modernity_score":90,"ai_adoption":true,"technologies":[{"name":"AI Agents","layer":"practices","postings":6,"share":0.5,"required":6,"open_postings":5,"first_seen":"2025-01-07","last_seen":"2026-09-03","median_stated_pay_usd":null},{"name":"Claude","layer":"ai","postings":6,"share":0.5,"required":6,"open_postings":5,"first_seen":"2025-01-07","last_seen":"2026-09-03","median_stated_pay_usd":null},{"name":"PostgreSQL","layer":"data","postings":6,"share":0.5,"required":6,"open_postings":5,"first_seen":"2026-06-10","last_seen":"2026-09-03","median_stated_pay_usd":null},{"name":"Claude Code","layer":"tools","postings":5,"share":0.4167,"required":5,"open_postings":4,"first_seen":"2025-01-07","last_seen":"2026-08-11","median_stated_pay_usd":null},{"name":"Python","layer":"languages","postings":5,"share":0.4167,"required":5,"open_postings":4,"first_seen":"2025-01-07","last_seen":"2026-08-11","median_stated_pay_usd":null},{"name":"LLM","layer":"ai","postings":5,"share":0.4167,"required":4,"open_postings":4,"first_seen":"2025-01-07","last_seen":"2026-09-03","median_stated_pay_usd":null},{"name":"Prompt Engineering","layer":"practices","postings":5,"share":0.4167,"required":3,"open_postings":4,"first_seen":"2025-01-07","last_seen":"2026-08-11","median_stated_pay_usd":null},{"name":"GitHub","layer":"cloud","postings":4,"share":0.3333,"required":4,"open_postings":3,"first_seen":"2026-08-03","last_seen":"2026-08-05","median_stated_pay_usd":null},{"name":"SQL","layer":"languages","postings":4,"share":0.3333,"required":4,"open_postings":3,"first_seen":"2026-07-15","last_seen":"2026-08-05","median_stated_pay_usd":null},{"name":"RAG","layer":"practices","postings":4,"share":0.3333,"required":3,"open_postings":4,"first_seen":"2025-01-07","last_seen":"2026-08-11","median_stated_pay_usd":null},{"name":"JavaScript","layer":"languages","postings":4,"share":0.3333,"required":2,"open_postings":3,"first_seen":"2026-06-10","last_seen":"2026-08-05","median_stated_pay_usd":null},{"name":"AWS","layer":"cloud","postings":3,"share":0.25,"required":3,"open_postings":3,"first_seen":"2026-08-03","last_seen":"2026-08-05","median_stated_pay_usd":null},{"name":"FastAPI","layer":"frameworks","postings":3,"share":0.25,"required":3,"open_postings":2,"first_seen":"2025-01-07","last_seen":"2026-08-11","median_stated_pay_usd":null},{"name":"Ruby on Rails","layer":"frameworks","postings":3,"share":0.25,"required":3,"open_postings":2,"first_seen":"2026-08-05","last_seen":"2026-09-03","median_stated_pay_usd":null},{"name":"Tailwind CSS","layer":"frameworks","postings":3,"share":0.25,"required":3,"open_postings":3,"first_seen":"2026-08-03","last_seen":"2026-09-03","median_stated_pay_usd":null},{"name":"Anthropic","layer":"cloud","postings":3,"share":0.25,"required":2,"open_postings":3,"first_seen":"2026-06-10","last_seen":"2026-08-05","median_stated_pay_usd":null},{"name":"AWS Fargate","layer":"cloud","postings":2,"share":0.1667,"required":2,"open_postings":2,"first_seen":"2026-08-03","last_seen":"2026-08-05","median_stated_pay_usd":null},{"name":"Amazon ECS","layer":"cloud","postings":2,"share":0.1667,"required":2,"open_postings":2,"first_seen":"2026-08-03","last_seen":"2026-08-05","median_stated_pay_usd":null},{"name":"CI/CD","layer":"practices","postings":2,"share":0.1667,"required":2,"open_postings":2,"first_seen":"2026-08-03","last_seen":"2026-08-05","median_stated_pay_usd":null},{"name":"Celery","layer":"frameworks","postings":2,"share":0.1667,"required":2,"open_postings":2,"first_seen":"2026-08-03","last_seen":"2026-08-05","median_stated_pay_usd":null},{"name":"Django","layer":"frameworks","postings":2,"share":0.1667,"required":2,"open_postings":2,"first_seen":"2026-08-03","last_seen":"2026-08-05","median_stated_pay_usd":null},{"name":"Django REST Framework","layer":"frameworks","postings":2,"share":0.1667,"required":2,"open_postings":2,"first_seen":"2026-08-03","last_seen":"2026-08-05","median_stated_pay_usd":null},{"name":"Docker","layer":"tools","postings":2,"share":0.1667,"required":2,"open_postings":2,"first_seen":"2026-08-03","last_seen":"2026-08-05","median_stated_pay_usd":null},{"name":"Gemini","layer":"ai","postings":2,"share":0.1667,"required":2,"open_postings":2,"first_seen":"2026-08-03","last_seen":"2026-08-05","median_stated_pay_usd":null},{"name":"GitHub Actions","layer":"cloud","postings":2,"share":0.1667,"required":2,"open_postings":2,"first_seen":"2026-08-03","last_seen":"2026-08-05","median_stated_pay_usd":null},{"name":"HTMX","layer":"frameworks","postings":2,"share":0.1667,"required":2,"open_postings":2,"first_seen":"2026-08-03","last_seen":"2026-08-05","median_stated_pay_usd":null},{"name":"LLM Evaluation","layer":"practices","postings":2,"share":0.1667,"required":2,"open_postings":2,"first_seen":"2026-08-03","last_seen":"2026-08-05","median_stated_pay_usd":null},{"name":"React.js","layer":"frameworks","postings":2,"share":0.1667,"required":2,"open_postings":1,"first_seen":"2026-06-10","last_seen":"2026-07-15","median_stated_pay_usd":null},{"name":"Redis","layer":"data","postings":2,"share":0.1667,"required":2,"open_postings":2,"first_seen":"2026-08-03","last_seen":"2026-08-05","median_stated_pay_usd":null},{"name":"Semantic Search","layer":"practices","postings":2,"share":0.1667,"required":2,"open_postings":2,"first_seen":"2026-08-03","last_seen":"2026-08-05","median_stated_pay_usd":null},{"name":"Semantic Search","layer":"practices","postings":2,"share":0.1667,"required":2,"open_postings":2,"first_seen":"2026-08-03","last_seen":"2026-08-05","median_stated_pay_usd":null},{"name":"Structured Outputs","layer":"practices","postings":2,"share":0.1667,"required":2,"open_postings":2,"first_seen":"2026-08-03","last_seen":"2026-08-05","median_stated_pay_usd":null},{"name":"Twilio","layer":"cloud","postings":2,"share":0.1667,"required":2,"open_postings":2,"first_seen":"2026-08-03","last_seen":"2026-08-05","median_stated_pay_usd":null},{"name":"TypeScript","layer":"languages","postings":2,"share":0.1667,"required":2,"open_postings":2,"first_seen":"2025-01-07","last_seen":"2026-08-11","median_stated_pay_usd":null},{"name":"pgvector","layer":"frameworks","postings":2,"share":0.1667,"required":2,"open_postings":2,"first_seen":"2026-08-03","last_seen":"2026-08-05","median_stated_pay_usd":null},{"name":"Cursor","layer":"tools","postings":2,"share":0.1667,"required":1,"open_postings":2,"first_seen":"2025-01-07","last_seen":"2026-08-11","median_stated_pay_usd":null},{"name":"Ruby","layer":"languages","postings":2,"share":0.1667,"required":1,"open_postings":1,"first_seen":"2026-08-05","last_seen":"2026-09-03","median_stated_pay_usd":null},{"name":"OpenAI","layer":"cloud","postings":2,"share":0.1667,"required":0,"open_postings":1,"first_seen":"2026-06-10","last_seen":"2026-07-15","median_stated_pay_usd":null},{"name":"Agentic Workflows","layer":"practices","postings":1,"share":0.0833,"required":1,"open_postings":1,"first_seen":"2026-09-03","last_seen":"2026-09-03","median_stated_pay_usd":null},{"name":"Alembic","layer":"frameworks","postings":1,"share":0.0833,"required":1,"open_postings":0,"first_seen":"2026-07-15","last_seen":"2026-07-15","median_stated_pay_usd":null},{"name":"BigQuery","layer":"data","postings":1,"share":0.0833,"required":1,"open_postings":1,"first_seen":"2026-09-03","last_seen":"2026-09-03","median_stated_pay_usd":null},{"name":"ClickHouse","layer":"data","postings":1,"share":0.0833,"required":1,"open_postings":1,"first_seen":"2026-09-03","last_seen":"2026-09-03","median_stated_pay_usd":null},{"name":"DuckDB","layer":"data","postings":1,"share":0.0833,"required":1,"open_postings":1,"first_seen":"2026-09-03","last_seen":"2026-09-03","median_stated_pay_usd":null},{"name":"Edge AI","layer":"practices","postings":1,"share":0.0833,"required":1,"open_postings":1,"first_seen":"2026-08-12","last_seen":"2026-08-12","median_stated_pay_usd":null},{"name":"Embodied AI","layer":"practices","postings":1,"share":0.0833,"required":1,"open_postings":1,"first_seen":"2026-08-12","last_seen":"2026-08-12","median_stated_pay_usd":null},{"name":"Google BigQuery","layer":"data","postings":1,"share":0.0833,"required":1,"open_postings":1,"first_seen":"2026-09-03","last_seen":"2026-09-03","median_stated_pay_usd":null},{"name":"Hotwire","layer":"frameworks","postings":1,"share":0.0833,"required":1,"open_postings":1,"first_seen":"2026-09-03","last_seen":"2026-09-03","median_stated_pay_usd":null},{"name":"MVP","layer":"practices","postings":1,"share":0.0833,"required":1,"open_postings":1,"first_seen":"2025-01-07","last_seen":"2026-06-10","median_stated_pay_usd":null},{"name":"Machine Learning","layer":"practices","postings":1,"share":0.0833,"required":1,"open_postings":1,"first_seen":"2026-08-03","last_seen":"2026-08-03","median_stated_pay_usd":null},{"name":"Next.js","layer":"frameworks","postings":1,"share":0.0833,"required":1,"open_postings":0,"first_seen":"2026-07-15","last_seen":"2026-07-15","median_stated_pay_usd":null},{"name":"Node JS","layer":"languages","postings":1,"share":0.0833,"required":1,"open_postings":1,"first_seen":"2026-06-10","last_seen":"2026-06-10","median_stated_pay_usd":null},{"name":"OpenAI Codex","layer":"tools","postings":1,"share":0.0833,"required":1,"open_postings":0,"first_seen":"2026-08-05","last_seen":"2026-08-05","median_stated_pay_usd":null},{"name":"SQLAlchemy","layer":"frameworks","postings":1,"share":0.0833,"required":1,"open_postings":0,"first_seen":"2026-07-15","last_seen":"2026-07-15","median_stated_pay_usd":null},{"name":"Snowflake","layer":"data","postings":1,"share":0.0833,"required":1,"open_postings":1,"first_seen":"2026-09-03","last_seen":"2026-09-03","median_stated_pay_usd":null},{"name":"WebSockets","layer":"tools","postings":1,"share":0.0833,"required":1,"open_postings":0,"first_seen":"2026-07-15","last_seen":"2026-07-15","median_stated_pay_usd":null}],"own_products":[],"changes":{"first_appeared":[{"name":"Ruby on Rails","first_seen":"2026-08-05"},{"name":"Ruby","first_seen":"2026-08-05"},{"name":"AWS","first_seen":"2026-08-03"},{"name":"Tailwind CSS","first_seen":"2026-08-03"},{"name":"AWS Fargate","first_seen":"2026-08-03"},{"name":"Amazon ECS","first_seen":"2026-08-03"},{"name":"CI/CD","first_seen":"2026-08-03"},{"name":"Celery","first_seen":"2026-08-03"}],"rising":[],"falling":[],"not_seen_180d":[]},"similar_stacks":[{"name":"Headway","url":"https://alion.io/company/headway/technologies","shared_technologies":37},{"name":"Laurel","url":"https://alion.io/company/laurel-6/technologies","shared_technologies":34},{"name":"Amazon.jobs","url":"https://alion.io/company/amazon-jobs/technologies","shared_technologies":40},{"name":"LayerX","url":"https://alion.io/company/layerx/technologies","shared_technologies":35},{"name":"Grafana Labs","url":"https://alion.io/company/grafana-labs/technologies","shared_technologies":37},{"name":"Infinity Constellation","url":"https://alion.io/company/infinity/technologies","shared_technologies":36},{"name":"Hatch IT","url":"https://alion.io/company/hatch-it/technologies","shared_technologies":40},{"name":"SPD Technology","url":"https://alion.io/company/spd-technology/technologies","shared_technologies":36}],"html_url":"https://alion.io/company/sierrastudio/technologies","json_url":"https://alion.io/company/sierrastudio/technologies.json","license":"CC BY-SA 4.0","meta":{"source":"Alion","built_at":"2026-09-27T02:42:03Z","generated_at":"2026-09-27T06:11:05Z"}}