Calfus tech stack
Calfus builds mostly with SQL, Python, ABAP. Its stack also includes AWS, Databricks, Snowflake, Amazon Redshift. SQL is named in 12 of the 15 job postings Calfus published in the last 12 months (80%). Counted by Alion from the job postings of Calfus, updated Nov 12, 2026.
What programming languages does Calfus use?
SQL is named in 80% of job postings at Calfus, followed by Python (60%), ABAP (7%).
What frameworks and libraries does Calfus use?
NumPy is named in 13% of job postings at Calfus, followed by Pandas (13%), Playwright (13%), Pytest (13%).
What databases does Calfus use?
Snowflake is named in 47% of job postings at Calfus, followed by Amazon Redshift (40%), PostgreSQL (40%), Oracle (33%).
Snowflake
7 47%
Amazon Redshift
6 40%
PostgreSQL
6 40%
Oracle
5 33%
Delta Lake
2 13%
Azure SQL Database
1 7%
What cloud and platforms does Calfus use?
AWS is named in 60% of job postings at Calfus, followed by Databricks (47%), Amazon S3 (40%), Azure (40%).
AWS
9 60%
Databricks
7 47%
Azure
6 40%
AWS Lambda
5 33%
Power BI
5 33%
Tableau
5 33%
Spark
2 13%
Show all (11)
What developer tools does Calfus use?
Azure Data Factory is named in 40% of job postings at Calfus, followed by Rest API (33%), Ansible (13%), Git (13%).
Which engineering practices does Calfus ask for?
AI Agents is named in 87% of job postings at Calfus, followed by ETL/ELT (47%), CI/CD (27%), SOAP (20%).
What does each Calfus team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Data Science
7 postingsHow does your stack fit Calfus?
How modern is the Calfus stack?
Calfus scores 77 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 Calfus stack in its industry?
Share of the 2,458 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Calfus
Questions about the Calfus tech stack
What programming languages does Calfus use?
The languages named in Calfus job postings are SQL (80%), Python (60%), ABAP (7%), as a share of the 15 postings of the last 12 months.
Does Calfus use NumPy?
Yes. NumPy is named in 2 of 15 job postings (13%) and required in 2 of them.
What cloud and platforms does Calfus use?
The cloud and platforms named in Calfus job postings are AWS (9), Databricks (7), Amazon S3 (6) (postings in brackets).
What skills do you need for a Data Science job at Calfus?
Data Science postings at Calfus most often require AWS (7), Databricks (7), SQL (7), Snowflake (7), out of 7 postings in the last 12 months.
Is the Calfus tech stack changing?
No new technology has appeared in Calfus job postings in the last six months.
How modern is the Calfus tech stack?
Calfus scores 77 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 Calfus tech stack?
Alion reads every job posting Calfus publishes and tags the technologies each one names. The figures on this page count the 15 postings of the last 12 months and were updated on Nov 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, "Calfus tech stack: 36 technologies from 15 job postings", as of Nov 12, 2026. https://alion.io/company/calfus/technologies