C12 tech stack
C12 builds mostly with Python, MATLAB, C. Its stack also includes Prefect, Rest-Assured, OVHcloud, LangGraph. Python is named in 10 of the 11 job postings C12 published in the last 12 months (91%). Counted by Alion from the job postings of C12, updated Oct 16, 2026.
What programming languages does C12 use?
Python is named in 91% of job postings at C12, followed by MATLAB (27%), C (9%).
What frameworks and libraries does C12 use?
Rest-Assured is named in 27% of job postings at C12, followed by LangGraph (18%), LangChain (18%), SQLAlchemy (9%).
What cloud and platforms does C12 use?
Prefect is named in 27% of job postings at C12, followed by OVHcloud (18%), Ollama (18%), vLLM (18%).
What developer tools does C12 use?
Ansible is named in 18% of job postings at C12, followed by Model Context Protocol (18%), Docker (18%), Ansys HFSS (9%).
Which engineering practices does C12 ask for?
AI Agents is named in 18% of job postings at C12, followed by Prompt Engineering (18%), RAG (18%), VPN (18%).
AI Agents
2 18%
Prompt Engineering
2 18%
RAG
2 18%
Configuration Management
2 18%
CI/CD
1 9%
How does your stack fit C12?
How modern is the C12 stack?
C12 scores 76 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: 1; legacy ones: 0.
How common is the C12 stack in its industry?
Share of the 85 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like C12
Questions about the C12 tech stack
What programming languages does C12 use?
The languages named in C12 job postings are Python (91%), MATLAB (27%), C (9%), as a share of the 11 postings of the last 12 months.
Does C12 use LangGraph?
Yes. LangGraph is named in 2 of 11 job postings (18%) and required in 2 of them.
What cloud and platforms does C12 use?
The cloud and platforms named in C12 job postings are Prefect (3), OVHcloud (2), Ollama (2) (postings in brackets).
Is the C12 tech stack changing?
No new technology has appeared in C12 job postings in the last six months.
How modern is the C12 tech stack?
C12 scores 76 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: 1; legacy ones: 0.
How does Alion know the C12 tech stack?
Alion reads every job posting C12 publishes and tags the technologies each one names. The figures on this page count the 11 postings of the last 12 months and were updated on Oct 16, 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, "C12 tech stack: 28 technologies from 11 job postings", as of Oct 16, 2026. https://alion.io/company/c12qe/technologies