CACI tech stack
CACI builds mostly with Python, JavaScript, SQL, Java. Its stack also includes AWS, Azure, React.js, Snowflake. AWS is named in 17 of the 29 job postings CACI published in the last 12 months (59%). Counted by Alion from the job postings of CACI, updated Oct 12, 2026.
What programming languages does CACI use?
Python is named in 34% of job postings at CACI, followed by JavaScript (24%), SQL (17%), Java (14%).
Python
10 34%
JavaScript
7 24%
SQL
5 17%
Java
4 14%
TypeScript
3 10%
PHP
2 7%
PowerShell
2 7%
Bash
1 3%
What frameworks and libraries does CACI use?
React.js is named in 14% of job postings at CACI, followed by Cucumber (7%), Cypress (7%), Playwright (7%).
React.js
4 14%
Cucumber
2 7%
Cypress
2 7%
Playwright
2 7%
Rest-Assured
2 7%
Robot Framework
2 7%
Selenium
2 7%
React Native
2 7%
Show all (12)
What databases does CACI use?
Snowflake is named in 7% of job postings at CACI, followed by Amazon Aurora (3%), Amazon Redshift (3%), BigQuery (3%).
Snowflake
2 7%
Amazon Aurora
1 3%
Amazon Redshift
1 3%
BigQuery
1 3%
Google BigQuery
1 3%
Oracle
1 3%
PostgreSQL
1 3%
What cloud and platforms does CACI use?
AWS is named in 59% of job postings at CACI, followed by Azure (38%), GitLab (24%), Linux (14%).
AWS
17 59%
Azure
11 38%
GitLab
7 24%
Grafana
3 10%
Airflow
2 7%
Show all (26)
What developer tools does CACI use?
Docker is named in 17% of job postings at CACI, followed by Git (10%), Prometheus (10%), Helm (7%).
Docker
5 17%
Git
3 10%
Prometheus
3 10%
Helm
2 7%
Jenkins
2 7%
Packer
2 7%
Terraform
2 7%
Ansible
1 3%
Show all (16)
Which engineering practices does CACI ask for?
CI/CD is named in 28% of job postings at CACI, followed by DNS (7%), Machine Learning (7%), Platform Engineering (7%).
Show all (14)
What does each CACI team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
9 postingsDevOps
3 postingsSecurity
3 postingsHow does your stack fit CACI?
How is the CACI 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 CACI stack?
CACI scores 70 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 CACI stack in its industry?
Share of the 1,011 companies in the same industries, whose stack Alion knows, that use each technology.
What sets CACI apart
Companies with a stack like CACI
Questions about the CACI tech stack
What programming languages does CACI use?
The languages named in CACI job postings are Python (34%), JavaScript (24%), SQL (17%), Java (14%), TypeScript (10%), as a share of the 29 postings of the last 12 months.
Does CACI use React.js?
Yes. React.js is named in 4 of 29 job postings (14%) and required in 2 of them.
What cloud and platforms does CACI use?
The cloud and platforms named in CACI job postings are AWS (17), Azure (11), GitLab (7) (postings in brackets).
What skills do you need for a Backend job at CACI?
Backend postings at CACI most often require AWS (5), Azure (4), GitLab (4), JavaScript (4), out of 9 postings in the last 12 months.
Is the CACI tech stack changing?
Yes. Helm, Jenkins, Kubernetes, Packer first appeared in CACI job postings in the last six months.
How modern is the CACI tech stack?
CACI scores 70 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 CACI tech stack?
Alion reads every job posting CACI publishes and tags the technologies each one names. The figures on this page count the 29 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, "CACI tech stack: 83 technologies from 29 job postings", as of Oct 12, 2026. https://alion.io/company/caci-co-uk/technologies