CSTI tech stack
CSTI builds mostly with JavaScript, SQL, TypeScript, Python. Its stack also includes Azure, GCP, React.js, PostgreSQL. Azure is named in 28 of the 54 job postings CSTI published in the last 12 months (52%). Counted by Alion from the job postings of CSTI, updated Oct 26, 2026.
What programming languages does CSTI use?
JavaScript is named in 37% of job postings at CSTI, followed by SQL (35%), TypeScript (28%), Python (26%).
JavaScript
20 37%
SQL
19 35%
TypeScript
15 28%
Python
14 26%
Node JS
10 19%
C#
7 13%
ABAP
4 7%
Java
4 7%
Show all (13)
What frameworks and libraries does CSTI use?
React.js is named in 22% of job postings at CSTI, followed by Angular (15%), Next.js (7%), Nest.JS (4%).
React.js
12 22%
Angular
8 15%
Next.js
4 7%
Nest.JS
2 4%
Playwright
2 4%
React Native
2 4%
Material UI
1 2%
Selenium
1 2%
Show all (11)
What databases does CSTI use?
PostgreSQL is named in 15% of job postings at CSTI, followed by MySQL (9%), Delta Lake (6%), MS SQL (6%).
PostgreSQL
8 15%
MySQL
5 9%
Delta Lake
3 6%
MS SQL
3 6%
Amazon Aurora
1 2%
Google BigQuery
1 2%
Redis
1 2%
SAP BW
1 2%
Show all (9)
What cloud and platforms does CSTI use?
Azure is named in 52% of job postings at CSTI, followed by GCP (43%), AWS (24%), AWS Lambda (11%).
Azure
28 52%
GCP
23 43%
AWS
13 24%
AWS Lambda
6 11%
Power BI
5 9%
.NET
4 7%
Azure DevOps
4 7%
Show all (37)
What developer tools does CSTI use?
Git is named in 26% of job postings at CSTI, followed by Rest API (20%), Docker (9%), AutoCAD (6%).
Git
14 26%
Rest API
11 20%
Docker
5 9%
AutoCAD
3 6%
pySpark
3 6%
Copilot
2 4%
GraphQL
2 4%
Show all (21)
What AI and ML technologies does CSTI use?
ChatGPT is named in 2% of job postings at CSTI, followed by Claude (2%).
Which engineering practices does CSTI ask for?
CI/CD is named in 22% of job postings at CSTI, followed by CAPA (11%), ETL/ELT (11%), CSS Modules (4%).
CI/CD
12 22%
CSS Modules
2 4%
Clean Architecture
1 2%
Gitflow
1 2%
Show all (16)
What does each CSTI team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
18 postingsEnterprise Apps
12 postingsData Science
4 postingsAnalytics
4 postingsDevOps
3 postingsHow does your stack fit CSTI?
How modern is the CSTI stack?
CSTI 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: 2; legacy ones: 0.
Companies with a stack like CSTI
Questions about the CSTI tech stack
What programming languages does CSTI use?
The languages named in CSTI job postings are JavaScript (37%), SQL (35%), TypeScript (28%), Python (26%), Node JS (19%), as a share of the 54 postings of the last 12 months.
Does CSTI use React.js?
Yes. React.js is named in 12 of 54 job postings (22%) and required in 8 of them.
What cloud and platforms does CSTI use?
The cloud and platforms named in CSTI job postings are Azure (28), GCP (23), AWS (13) (postings in brackets).
What skills do you need for a Backend job at CSTI?
Backend postings at CSTI most often require AWS (11), Git (9), GCP (8), Node JS (8), out of 18 postings in the last 12 months.
Is the CSTI tech stack changing?
No new technology has appeared in CSTI job postings in the last six months.
How modern is the CSTI tech stack?
CSTI 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: 2; legacy ones: 0.
How does Alion know the CSTI tech stack?
Alion reads every job posting CSTI publishes and tags the technologies each one names. The figures on this page count the 54 postings of the last 12 months and were updated on Oct 26, 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, "CSTI tech stack: 109 technologies from 54 job postings", as of Oct 26, 2026. https://alion.io/company/csti-2/technologies