Callista tech stack
Callista builds mostly with SQL, Java, JavaScript, TypeScript. Its stack also includes Azure, Databricks, Azure SQL Database, Angular. Azure is named in 7 of the 12 job postings Callista published in the last 12 months (58%). Counted by Alion from the job postings of Callista, updated Sep 28, 2026.
What programming languages does Callista use?
SQL is named in 50% of job postings at Callista, followed by Java (25%), JavaScript (25%), TypeScript (25%).
What frameworks and libraries does Callista use?
Angular is named in 25% of job postings at Callista.
Angular
3 25%
What databases does Callista use?
Azure SQL Database is named in 25% of job postings at Callista, followed by ElasticSearch (8%), OpenSearch (8%).
What cloud and platforms does Callista use?
Azure is named in 58% of job postings at Callista, followed by Databricks (42%), Power BI (25%), Apache Kafka (17%).
Azure
7 58%
Databricks
5 42%
Power BI
3 25%
Apache Kafka
2 17%
Microsoft Fabric
2 17%
AWS
1 8%
Kubernetes
1 8%
Show all (9)
What developer tools does Callista use?
Azure Data Factory is named in 8% of job postings at Callista, followed by Docker (8%), Fivetran (8%), Git (8%).
Which engineering practices does Callista ask for?
Data Vault is named in 17% of job postings at Callista, followed by ETL/ELT (17%), CI/CD (8%), Clean Architecture (8%).
CI/CD
1 8%
Clean Architecture
1 8%
Platform Engineering
1 8%
What does each Callista team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Data Science
6 postingsBackend
3 postingsHow does your stack fit Callista?
How is the Callista stack changing?
Read from the dates of the postings themselves: a technology is new when the first posting that names it appeared in the last six months, rising or falling when its share of postings moved between the last two quarters.
How modern is the Callista stack?
Callista scores 72 out of 100 (Modern). 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 stack in its industry?
Share of the 562 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Callista
Questions about the Callista tech stack
What programming languages does Callista use?
The languages named in Callista job postings are SQL (50%), Java (25%), JavaScript (25%), TypeScript (25%), Go (8%), as a share of the 12 postings of the last 12 months.
Does Callista use Angular?
Yes. Angular is named in 3 of 12 job postings (25%) and required in 3 of them.
What cloud and platforms does Callista use?
The cloud and platforms named in Callista job postings are Azure (7), Databricks (5), Power BI (3) (postings in brackets).
What skills do you need for a Data Science job at Callista?
Data Science postings at Callista most often require Azure (5), Databricks (5), SQL (4), Azure SQL Database (3), out of 6 postings in the last 12 months.
Is the Callista tech stack changing?
Yes. Angular, Java, JavaScript, TypeScript first appeared in Callista job postings in the last six months.
How modern is the Callista tech stack?
Callista scores 72 out of 100 (Modern). 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 tech stack?
Alion reads every job posting Callista publishes and tags the technologies each one names. The figures on this page count the 12 postings of the last 12 months and were updated on Sep 28, 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 tech stack: 34 technologies from 12 job postings", as of Sep 28, 2026. https://alion.io/company/callista-3/technologies