Astronomer tech stack
Astronomer builds mostly with Python, Go, SQL, TypeScript. Its stack also includes Airflow, Kubernetes, Snowflake, Amazon Redshift. Airflow is named in 41 of the 41 job postings Astronomer published in the last 12 months (100%). Counted by Alion from the job postings of Astronomer, updated Sep 28, 2026.
What programming languages does Astronomer use?
Python is named in 56% of job postings at Astronomer, followed by Go (34%), SQL (34%), TypeScript (10%).
What frameworks and libraries does Astronomer use?
Pytest is named in 7% of job postings at Astronomer, followed by Dagster (5%), Playwright (5%), Astro (2%).
What databases does Astronomer use?
Snowflake is named in 15% of job postings at Astronomer, followed by Amazon Redshift (12%), Google BigQuery (10%), PostgreSQL (7%).
Snowflake
6 15%
Amazon Redshift
5 12%
Google BigQuery
4 10%
PostgreSQL
3 7%
ElasticSearch
2 5%
Google Cloud Spanner
1 2%
What cloud and platforms does Astronomer use?
Airflow is named in 100% of job postings at Astronomer, followed by Kubernetes (54%), AWS (37%), Azure (37%).
Airflow
41 100%
Kubernetes
22 54%
AWS
15 37%
Azure
15 37%
GCP
15 37%
Databricks
6 15%
Show all (21)
What developer tools does Astronomer use?
Docker is named in 15% of job postings at Astronomer, followed by dbt (12%), Prometheus (12%), Git (7%).
Show all (19)
What AI and ML technologies does Astronomer use?
Claude is named in 2% of job postings at Astronomer.
Claude
1 2%
Which engineering practices does Astronomer ask for?
CI/CD is named in 29% of job postings at Astronomer, followed by Platform Engineering (15%), AI Agents (15%), Embeddings (12%).
CI/CD
12 29%
Platform Engineering
6 15%
AI Agents
6 15%
Embeddings
5 12%
Semantic Search
5 12%
Incident Management
2 5%
Show all (9)
What does each Astronomer team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
20 postingsSales
9 postingsProduct
7 postingsHow does your stack fit Astronomer?
How much does Astronomer pay by technology?
Median stated pay of the postings that name each technology, against the median of all Astronomer postings with stated pay: $250k across 34 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| Airflow | 34 | $250k | 0% |
| Python | 21 | $250k | 0% |
| Kubernetes | 18 | $250k | 0% |
| Go | 14 | $240k | −4% |
| SQL | 13 | $250k | 0% |
| AWS | 12 | $248k | −1% |
| Azure | 12 | $248k | −1% |
| GCP | 12 | $248k | −1% |
| Databricks | 6 | $250k | 0% |
| Snowflake | 6 | $250k | 0% |
How is the Astronomer stack changing?
Read from the dates of the postings themselves: a technology is new when the first posting that names it appeared in the last six months, rising or falling when its share of postings moved between the last two quarters.
How modern is the Astronomer stack?
Astronomer scores 74 out of 100 (Modern). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 1; legacy ones: 0.
Companies with a stack like Astronomer
Questions about the Astronomer tech stack
What programming languages does Astronomer use?
The languages named in Astronomer job postings are Python (56%), Go (34%), SQL (34%), TypeScript (10%), JavaScript (5%), as a share of the 41 postings of the last 12 months.
Does Astronomer use Pytest?
Yes. Pytest is named in 3 of 41 job postings (7%) and required in 3 of them.
What cloud and platforms does Astronomer use?
The cloud and platforms named in Astronomer job postings are Airflow (41), Kubernetes (22), AWS (15) (postings in brackets).
What skills do you need for a Backend job at Astronomer?
Backend postings at Astronomer most often require Airflow (20), Go (14), Kubernetes (14), Python (14), out of 20 postings in the last 12 months.
Is the Astronomer tech stack changing?
Yes. PostgreSQL, gRPC, Datadog, AI Agents first appeared in Astronomer job postings in the last six months.
How modern is the Astronomer tech stack?
Astronomer scores 74 out of 100 (Modern). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 1; legacy ones: 0.
How does Alion know the Astronomer tech stack?
Alion reads every job posting Astronomer publishes and tags the technologies each one names. The figures on this page count the 41 postings of the last 12 months and were updated on Sep 28, 2026.
Method and citation
Alion reads every job posting the company publishes and tags the technologies each one names. Shares count the postings of the last 12 months, open and closed; the company's own products are counted apart. How we count
Alion, "Astronomer tech stack: 68 technologies from 41 job postings", as of Sep 28, 2026. https://alion.io/company/astronomer/technologies