Refractal tech stack
Refractal builds mostly with Python, SQL, JavaScript, TypeScript. Its stack also includes GCP, Splunk, ClickHouse, Google BigQuery. Python is named in 12 of the 21 job postings Refractal published in the last 12 months (57%). Counted by Alion from the job postings of Refractal, updated Oct 29, 2026.
What programming languages does Refractal use?
Python is named in 57% of job postings at Refractal, followed by SQL (14%), JavaScript (5%), TypeScript (5%).
What frameworks and libraries does Refractal use?
Dagster is named in 10% of job postings at Refractal, followed by PyTorch (10%), FastAPI (5%), React.js (5%).
What databases does Refractal use?
ClickHouse is named in 10% of job postings at Refractal, followed by Google BigQuery (10%), PostgreSQL (10%).
What cloud and platforms does Refractal use?
GCP is named in 19% of job postings at Refractal, followed by Splunk (19%), SIEM (19%), AWS (10%).
GCP
4 19%
Splunk
4 19%
AWS
2 10%
Apache Kafka
2 10%
Figma
2 10%
Kubernetes
2 10%
Datadog
1 5%
Show all (11)
What developer tools does Refractal use?
Terraform is named in 10% of job postings at Refractal.
Terraform
2 10%
What AI and ML technologies does Refractal use?
LLM is named in 19% of job postings at Refractal.
LLM
4 19%
Which engineering practices does Refractal ask for?
AI Agents is named in 29% of job postings at Refractal, followed by NIST AI RMF (19%), EU AI Act (14%), CI/CD (10%).
AI Agents
6 29%
CI/CD
2 10%
Embeddings
2 10%
Fine-tuning
2 10%
NLP
2 10%
Show all (10)
What does each Refractal team work with?
The technologies each team's postings require most often, with the number of postings that require them.
DevOps
4 postingsData Science
4 postingsHow does your stack fit Refractal?
How modern is the Refractal stack?
Refractal scores 79 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.
Questions about the Refractal tech stack
What programming languages does Refractal use?
The languages named in Refractal job postings are Python (57%), SQL (14%), JavaScript (5%), TypeScript (5%), as a share of the 21 postings of the last 12 months.
Does Refractal use Dagster?
Yes. Dagster is named in 2 of 21 job postings (10%) and required in 2 of them.
What cloud and platforms does Refractal use?
The cloud and platforms named in Refractal job postings are GCP (4), Splunk (4), SIEM (4) (postings in brackets).
What skills do you need for a DevOps job at Refractal?
DevOps postings at Refractal most often require Python (4), AWS (2), GCP (2), Kubernetes (2), out of 4 postings in the last 12 months.
Is the Refractal tech stack changing?
No new technology has appeared in Refractal job postings in the last six months.
How modern is the Refractal tech stack?
Refractal scores 79 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 Refractal tech stack?
Alion reads every job posting Refractal publishes and tags the technologies each one names. The figures on this page count the 21 postings of the last 12 months and were updated on Oct 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, "Refractal tech stack: 35 technologies from 21 job postings", as of Oct 29, 2026. https://alion.io/company/refractal/technologies