Onthos tech stack
Onthos builds mostly with Python, TypeScript. Its stack also includes AWS, Amazon S3, DuckDB, Dagster. Python is named in 6 of the 7 job postings Onthos published in the last 12 months (86%). Counted by Alion from the job postings of Onthos, updated Sep 29, 2026.
What programming languages does Onthos use?
Python is named in 86% of job postings at Onthos, followed by TypeScript (29%).
Python
6 86%
TypeScript
2 29%
What frameworks and libraries does Onthos use?
Dagster is named in 57% of job postings at Onthos, followed by FastAPI (29%), PyTorch (29%), Pydantic (29%).
What databases does Onthos use?
DuckDB is named in 86% of job postings at Onthos, followed by Snowflake (29%).
What cloud and platforms does Onthos use?
AWS is named in 86% of job postings at Onthos, followed by Amazon S3 (86%), AWS Fargate (29%), AWS Lambda (29%).
AWS
6 86%
AWS Fargate
2 29%
AWS Lambda
2 29%
AWS Bedrock
2 29%
What developer tools does Onthos use?
AWS CDK is named in 57% of job postings at Onthos, followed by Terraform (57%), Model Context Protocol (29%), Rest API (29%).
What AI and ML technologies does Onthos use?
LLM is named in 57% of job postings at Onthos.
LLM
4 57%
Which engineering practices does Onthos ask for?
Knowledge Graph is named in 86% of job postings at Onthos, followed by NLP (71%), CI/CD (57%), Embeddings (29%).
How does your stack fit Onthos?
How modern is the Onthos stack?
Onthos scores 81 out of 100 (Cutting-edge). 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 common is the Onthos stack in its industry?
Share of the 2,375 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Onthos apart
Companies with a stack like Onthos
Questions about the Onthos tech stack
What programming languages does Onthos use?
The languages named in Onthos job postings are Python (86%), TypeScript (29%), as a share of the 7 postings of the last 12 months.
Does Onthos use Dagster?
Yes. Dagster is named in 4 of 7 job postings (57%) and required in 2 of them.
What cloud and platforms does Onthos use?
The cloud and platforms named in Onthos job postings are AWS (6), Amazon S3 (6), AWS Fargate (2) (postings in brackets).
Is the Onthos tech stack changing?
No new technology has appeared in Onthos job postings in the last six months.
How modern is the Onthos tech stack?
Onthos scores 81 out of 100 (Cutting-edge). 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 Onthos tech stack?
Alion reads every job posting Onthos publishes and tags the technologies each one names. The figures on this page count the 7 postings of the last 12 months and were updated on Sep 29, 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, "Onthos tech stack: 27 technologies from 7 job postings", as of Sep 29, 2026. https://alion.io/company/onthos/technologies