CAS tech stack
CAS builds mostly with Python, Java, SQL, TypeScript. Its stack also includes AWS, Linux, Snowflake, Hadoop. AWS is named in 8 of the 25 job postings CAS published in the last 12 months (32%). Counted by Alion from the job postings of CAS, updated Oct 6, 2026.
What programming languages does CAS use?
Python is named in 28% of job postings at CAS, followed by Java (24%), SQL (16%), TypeScript (12%).
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What frameworks and libraries does CAS use?
Hadoop is named in 8% of job postings at CAS, followed by Angular (4%), OpenTelemetry (4%), React.js (4%).
What cloud and platforms does CAS use?
AWS is named in 32% of job postings at CAS, followed by Linux (32%), Kubernetes (28%), Azure (24%).
AWS
8 32%
Kubernetes
7 28%
Azure
6 24%
GCP
4 16%
Grafana
3 12%
Tableau
3 12%
GitLab
2 8%
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What developer tools does CAS use?
Docker is named in 24% of job postings at CAS, followed by OpenStack (16%), Jenkins (12%), Prometheus (12%).
Docker
6 24%
OpenStack
4 16%
Jenkins
3 12%
Prometheus
3 12%
Terraform
3 12%
Ansible
2 8%
Claude Code
2 8%
Maven
2 8%
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What AI and ML technologies does CAS use?
Claude is named in 8% of job postings at CAS, followed by LLM (8%).
Which engineering practices does CAS ask for?
CI/CD is named in 12% of job postings at CAS, followed by Prompt Engineering (12%), Machine Learning (12%), AI Agents (8%).
CI/CD
3 12%
Prompt Engineering
3 12%
AI Agents
2 8%
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What does each CAS team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Early Careers
9 postingsHow does your stack fit CAS?
How is the CAS 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 CAS stack?
CAS 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 CAS
Questions about the CAS tech stack
What programming languages does CAS use?
The languages named in CAS job postings are Python (28%), Java (24%), SQL (16%), TypeScript (12%), JavaScript (8%), as a share of the 25 postings of the last 12 months.
Does CAS use Hadoop?
Yes. Hadoop is named in 2 of 25 job postings (8%) and required in 2 of them.
What cloud and platforms does CAS use?
The cloud and platforms named in CAS job postings are AWS (8), Linux (8), Kubernetes (7) (postings in brackets).
What skills do you need for a Early Careers job at CAS?
Early Careers postings at CAS most often require Docker (5), Linux (5), AWS (4), Kubernetes (4), out of 9 postings in the last 12 months.
Is the CAS tech stack changing?
Yes. Microsoft Excel, Model Context Protocol, Power BI, AI Agents first appeared in CAS job postings in the last six months.
How modern is the CAS tech stack?
CAS 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 CAS tech stack?
Alion reads every job posting CAS publishes and tags the technologies each one names. The figures on this page count the 25 postings of the last 12 months and were updated on Oct 6, 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, "CAS tech stack: 84 technologies from 25 job postings", as of Oct 6, 2026. https://alion.io/company/cas-org/technologies