Zefir tech stack
Zefir builds mostly with Node JS, Python, SQL, TypeScript. Its stack also includes Prefect, Amazon Redshift, BigQuery, Dagster. Node JS is named in 1 of the 11 job postings Zefir published in the last 12 months (9%). Counted by Alion from the job postings of Zefir, updated Oct 11, 2026.
What programming languages does Zefir use?
Node JS is named in 9% of job postings at Zefir, followed by Python (9%), SQL (9%), TypeScript (9%).
What frameworks and libraries does Zefir use?
Dagster is named in 9% of job postings at Zefir, followed by LangChain (9%), Nest.JS (9%), Next.js (9%).
What databases does Zefir use?
Amazon Redshift is named in 9% of job postings at Zefir, followed by BigQuery (9%), Google BigQuery (9%), Pinecone (9%).
BigQuery 
What cloud and platforms does Zefir use?
Prefect is named in 9% of job postings at Zefir.
Prefect
1 9%
What developer tools does Zefir use?
Fivetran is named in 9% of job postings at Zefir, followed by GraphQL (9%), dbt (9%).
Which engineering practices does Zefir ask for?
AI Agents is named in 100% of job postings at Zefir, followed by Agentic Workflows (9%), ETL/ELT (9%), IAM (9%).
How does your stack fit Zefir?
How modern is the Zefir stack?
Zefir 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 common is the Zefir stack in its industry?
Share of the 283 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Zefir
Questions about the Zefir tech stack
What programming languages does Zefir use?
The languages named in Zefir job postings are Node JS (9%), Python (9%), SQL (9%), TypeScript (9%), JavaScript (9%), as a share of the 11 postings of the last 12 months.
What cloud and platforms does Zefir use?
The cloud and platforms named in Zefir job postings are Prefect (1) (postings in brackets).
Is the Zefir tech stack changing?
No new technology has appeared in Zefir job postings in the last six months.
How modern is the Zefir tech stack?
Zefir 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 Zefir tech stack?
Alion reads every job posting Zefir publishes and tags the technologies each one names. The figures on this page count the 11 postings of the last 12 months and were updated on Oct 11, 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, "Zefir tech stack: 25 technologies from 11 job postings", as of Oct 11, 2026. https://alion.io/company/zefir-3/technologies