Callista Group tech stack
Callista Group builds mostly with SQL, Python. Its stack also includes Azure, Databricks, Delta Lake, Pytest. Azure is named in 5 of the 5 job postings Callista Group published in the last 12 months (100%). Counted by Alion from the job postings of Callista Group, updated Oct 12, 2026.
What programming languages does Callista Group use?
SQL is named in 60% of job postings at Callista Group, followed by Python (40%).
What frameworks and libraries does Callista Group use?
Pytest is named in 20% of job postings at Callista Group.
Pytest
1 20%
What databases does Callista Group use?
Delta Lake is named in 40% of job postings at Callista Group.
Delta Lake
2 40%
What cloud and platforms does Callista Group use?
Azure is named in 100% of job postings at Callista Group, followed by Databricks (100%), Spark (40%), Power BI (20%).
What developer tools does Callista Group use?
pySpark is named in 40% of job postings at Callista Group, followed by Azure Data Factory (20%), Git (20%), Great Expectations (20%).
Which engineering practices does Callista Group ask for?
Data Vault is named in 40% of job postings at Callista Group, followed by CI/CD (20%), Dimensional Modeling (20%), ETL/ELT (20%).
What does each Callista Group team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Data Science
3 postingsHow does your stack fit Callista Group?
How modern is the Callista Group stack?
Callista Group scores 76 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: 0; legacy ones: 0.
How common is the Callista Group stack in its industry?
Share of the 4,364 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Callista Group
Questions about the Callista Group tech stack
What programming languages does Callista Group use?
The languages named in Callista Group job postings are SQL (60%), Python (40%), as a share of the 5 postings of the last 12 months.
Does Callista Group use Azure?
Yes. Azure is named in 5 of 5 job postings (100%) and required in 5 of them.
What cloud and platforms does Callista Group use?
The cloud and platforms named in Callista Group job postings are Azure (5), Databricks (5), Spark (2) (postings in brackets).
What skills do you need for a Data Science job at Callista Group?
Data Science postings at Callista Group most often require Azure (3), Databricks (3), SQL (2), pySpark (2), out of 3 postings in the last 12 months.
Is the Callista Group tech stack changing?
No new technology has appeared in Callista Group job postings in the last six months.
How modern is the Callista Group tech stack?
Callista Group scores 76 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: 0; legacy ones: 0.
How does Alion know the Callista Group tech stack?
Alion reads every job posting Callista Group publishes and tags the technologies each one names. The figures on this page count the 5 postings of the last 12 months and were updated on Oct 12, 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, "Callista Group tech stack: 17 technologies from 5 job postings", as of Oct 12, 2026. https://alion.io/company/callista-group/technologies