CRT tech stack
CRT builds mostly with Java, Python, SQL, Go. Its stack also includes Kubernetes, PostgreSQL, Django, GitLab. Java is named in 2 of the 3 job postings CRT published in the last 12 months (67%). Counted by Alion from the job postings of CRT, updated Sep 30, 2026.
What programming languages does CRT use?
Java is named in 67% of job postings at CRT, followed by Python (67%), SQL (67%), Go (33%).
What frameworks and libraries does CRT use?
Django is named in 67% of job postings at CRT, followed by Asyncio (33%), AutoGen (33%), CrewAI (33%).
Django
2 67%
Asyncio
1 33%
AutoGen
1 33%
CrewAI
1 33%
FastAPI
1 33%
Flask
1 33%
LangChain
1 33%
LangGraph
1 33%
Show all (12)
What databases does CRT use?
PostgreSQL is named in 67% of job postings at CRT, followed by ElasticSearch (33%).
PostgreSQL
2 67%
ElasticSearch
1 33%
What cloud and platforms does CRT use?
Kubernetes is named in 67% of job postings at CRT, followed by GitLab (33%), GitLab CI (33%), Grafana (33%).
Kubernetes
2 67%
GitLab
1 33%
GitLab CI
1 33%
Grafana
1 33%
Airflow
1 33%
Apache Kafka
1 33%
RabbitMQ
1 33%
Yandex Cloud
1 33%
What developer tools does CRT use?
Claude Code is named in 67% of job postings at CRT, followed by Docker (67%), Rest API (67%), Copilot (33%).
Claude Code
2 67%
Docker
2 67%
Rest API
2 67%
Copilot
1 33%
Cursor
1 33%
Git
1 33%
Prometheus
1 33%
Keycloak
1 33%
Show all (9)
What AI and ML technologies does CRT use?
Claude is named in 67% of job postings at CRT, followed by LLM (67%), ChatGPT (33%).
Which engineering practices does CRT ask for?
AI Agents is named in 67% of job postings at CRT, followed by CI/CD (67%), Function Calling (33%), Prompt Engineering (33%).
AI Agents
2 67%
CI/CD
2 67%
Function Calling
1 33%
Prompt Engineering
1 33%
RAG
1 33%
Fine-tuning
1 33%
What does each CRT team work with?
The technologies each team's postings require most often, with the number of postings that require them.
AI/ML
3 postingsHow does your stack fit CRT?
How modern is the CRT stack?
CRT scores 94 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: 3; legacy ones: 0.
How common is the CRT stack in its industry?
Share of the 1,280 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like CRT
Questions about the CRT tech stack
What programming languages does CRT use?
The languages named in CRT job postings are Java (67%), Python (67%), SQL (67%), Go (33%), as a share of the 3 postings of the last 12 months.
Does CRT use Django?
Yes. Django is named in 2 of 3 job postings (67%) and required in 1 of them.
What cloud and platforms does CRT use?
The cloud and platforms named in CRT job postings are Kubernetes (2), GitLab (1), GitLab CI (1) (postings in brackets).
What skills do you need for a AI/ML job at CRT?
AI/ML postings at CRT most often require Claude (2), Claude Code (2), Docker (2), Java (2), out of 3 postings in the last 12 months.
Is the CRT tech stack changing?
No new technology has appeared in CRT job postings in the last six months.
How modern is the CRT tech stack?
CRT scores 94 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: 3; legacy ones: 0.
How does Alion know the CRT tech stack?
Alion reads every job posting CRT publishes and tags the technologies each one names. The figures on this page count the 3 postings of the last 12 months and were updated on Sep 30, 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, "CRT tech stack: 45 technologies from 3 job postings", as of Sep 30, 2026. https://alion.io/company/crt/technologies