C3 AI
Defense AI · Energy AI

C3 AI tech stack

C3 AI builds mostly with Python, JavaScript, SQL, TypeScript. Its stack also includes React.js, AWS, Angular, Azure. Python is named in 35 of the 90 job postings C3 AI published in the last 12 months (39%). Counted by Alion from the job postings of C3 AI, updated Nov 11, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Nov 11, 2026
Technologies in use
86
Postings analysed
90
Open now
58
Modernity
86 /100
New in 6 months
8

What programming languages does C3 AI use?

Python is named in 39% of job postings at C3 AI, followed by JavaScript (31%), SQL (13%), TypeScript (13%).

Python 35 39% required in 46% · 28 open now · since Oct 2025
JavaScript 28 31% required in 54% · 21 open now · since Mar 2024
SQL 12 13% required in 33% · 10 open now · since Mar 2024
TypeScript 12 13% required in 17% · 7 open now · since Mar 2024
Scala 4 4% optional · 3 open now · since Jun 2026
Java 3 3% required in 100% · 3 open now · since Jan 2026
Bash 2 2% required in 100% · 2 open now · since Oct 2025
C# 1 1% required in 100% · 1 open now · since Jan 2026
Show all (10)
C++1
Go1

What frameworks and libraries does C3 AI use?

React.js is named in 16% of job postings at C3 AI, followed by Angular (12%), Vue.js (12%), Redux (11%).

React.js 14 16% required in 21% · 8 open now · since Mar 2024
Angular 11 12% required in 9% · 6 open now · since Mar 2024
Vue.js 11 12% required in 9% · 6 open now · since Mar 2024
Redux 10 11% required in 10% · 6 open now · since Mar 2024
LangChain 4 4% required in 50% · 3 open now · since Jul 2026
LlamaIndex 2 2% optional · 1 open now · since Jul 2026
Cypress 1 1% required in 100% · 1 open now · since Jul 2026
Hadoop 1 1% required in 100% · 1 open now · since Jan 2026
Show all (15)
Pandas1
Playwright1
Ray1
Selenium1
Dask1
DeepEval1
Ragas1

What databases does C3 AI use?

Snowflake is named in 2% of job postings at C3 AI, followed by Cassandra (1%), PostgreSQL (1%).

Snowflake 2 2% required in 100% · 1 open now · since Jan 2026
Cassandra 1 1% required in 100% · 1 open now · since Oct 2026
PostgreSQL 1 1% required in 100% · 1 open now · since Jan 2026

What cloud and platforms does C3 AI use?

AWS is named in 12% of job postings at C3 AI, followed by Azure (11%), GCP (10%), GitHub (7%).

AWS 11 12% required in 73% · 5 open now · since Oct 2025
Azure 10 11% required in 70% · 5 open now · since Oct 2025
GCP 9 10% required in 89% · 4 open now · since Oct 2025
GitHub 6 7% required in 17% · 5 open now · since Jun 2026
Kubernetes 4 4% required in 75% · 4 open now · since Oct 2025
Linux 3 3% required in 100% · 3 open now · since Oct 2025
Spark 2 2% required in 100% · 2 open now · since Jan 2026
Amazon S3 1 1% required in 100% · 1 open now · since Jan 2026
Show all (15)
Anthropic1
Apache Kafka1
Databricks1
Microsoft Entra ID1
OpenAI1
GitHub Actions1
LangSmith1

What developer tools does C3 AI use?

Git is named in 17% of job postings at C3 AI, followed by Model Context Protocol (6%), Microsoft Excel (4%), Terraform (3%).

Git 15 17% required in 20% · 10 open now · since Mar 2024
Model Context Protocol 5 6% required in 80% · 2 open now · since Jun 2026
Microsoft Excel 4 4% optional · 1 open now · since Jul 2026
Terraform 3 3% required in 100% · 3 open now · since Oct 2025
Claude Code 3 3% required in 33% · 3 open now · since Jul 2026
Cursor 3 3% required in 33% · 3 open now · since Jul 2026
Semantic Kernel 2 2% required in 100% · 2 open now · since Jul 2026
TPU 2 2% required in 100% · 2 open now · since Jul 2026
Show all (19)
Jenkins2
Rest API2
Copilot2
Ansible1
ArgoCD1
Crossplane1
Helm1
Puppet1
Tekton1
dbt1
GraphQL1

What AI and ML technologies does C3 AI use?

LLM is named in 18% of job postings at C3 AI, followed by Claude (6%), ChatGPT (2%).

LLM 16 18% required in 81% · 5 open now · since Mar 2026
Claude 5 6% required in 100% · 1 open now · since May 2026
ChatGPT 2 2% required in 100% · 2 open now · since Jul 2026

Which engineering practices does C3 AI ask for?

AI Agents is named in 100% of job postings at C3 AI, followed by Machine Learning (32%), CI/CD (9%), Function Calling (8%).

AI Agents 90 100% required in 100% · 58 open now · since May 2023
Machine Learning 29 32% required in 90% · 23 open now · since May 2023
CI/CD 8 9% required in 75% · 7 open now · since Mar 2026
Function Calling 7 8% required in 86% · 4 open now · since Jun 2026
RAG 5 6% required in 40% · 3 open now · since Sep 2025
Hallucination 3 3% required in 100% · 1 open now · since Jun 2026
Prompt Engineering 3 3% required in 67% · 3 open now · since Jul 2026
GitOps 2 2% required in 100% · 2 open now · since Mar 2026
Show all (21)
LLM Guardrails2
Platform Engineering2
CMMC2
Agentic Workflows1
Configuration Management1
ETL/ELT1
EU AI Act1
Feature Store1
Fine-tuning1
IAM1
Incident Management1
Photolithography1
Time Series1

What does each C3 AI team work with?

The technologies each team's postings require most often, with the number of postings that require them.

Leadership

14 postings
LLM5
Claude3

Product

11 postings
LLM2
Model Context Protocol2

Solutions

9 postings
JavaScript3
Python3
LLM2

Backend

8 postings
JavaScript6
Python4
React.js2
TypeScript2

Marketing

8 postings
AWS2
Azure2
GCP2
LLM2

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How much does C3 AI pay by technology?

Median stated pay of the postings that name each technology, against the median of all C3 AI postings with stated pay: $194k across 73 postings.

TechnologyPostings with payMedianvs company median
Python25$180k−7%
JavaScript20$159k−18%
LLM14$205k+6%
AWS10$239k+23%
SQL10$203k+5%
React.js10$158k−19%
Azure9$230k+19%
GCP8$273k+40%
TypeScript8$158k−19%
Angular7$158k−19%

How is the C3 AI 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.

First appeared
CopilotSep 2026
Microsoft ExcelJul 2026
Prompt EngineeringJul 2026
ChatGPTJul 2026
Semantic KernelJul 2026
TPUJul 2026
LangChainJul 2026
LlamaIndexJul 2026
Rising
SQL5% → 26%
Function Calling5% → 13%
Linux0% → 8%
Model Context Protocol5% → 8%
Falling
Claude12% → 0%
GCP14% → 5%
AWS16% → 8%
Redux16% → 8%
Angular16% → 10%
Vue.js16% → 10%
Azure14% → 8%
LangChain7% → 3%

How modern is the C3 AI stack?

Cutting-edge AI adopter 86/100

C3 AI scores 86 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 C3 AI stack in its industry?

Share of the 364 companies in the same industries, whose stack Alion knows, that use each technology.

Python80%
JavaScript52%
LLM37%
React.js43%
SQL48%
TypeScript48%
AWS56%
Angular10%
Vue.js10%
Azure39%

Questions about the C3 AI tech stack

What programming languages does C3 AI use?

The languages named in C3 AI job postings are Python (39%), JavaScript (31%), SQL (13%), TypeScript (13%), Scala (4%), as a share of the 90 postings of the last 12 months.

Does C3 AI use React.js?

Yes. React.js is named in 14 of 90 job postings (16%) and required in 3 of them.

What cloud and platforms does C3 AI use?

The cloud and platforms named in C3 AI job postings are AWS (11), Azure (10), GCP (9) (postings in brackets).

What skills do you need for a Leadership job at C3 AI?

Leadership postings at C3 AI most often require LLM (5), Claude (3), out of 14 postings in the last 12 months.

Is the C3 AI tech stack changing?

Yes. Copilot, Microsoft Excel, Prompt Engineering, ChatGPT first appeared in C3 AI job postings in the last six months.

How modern is the C3 AI tech stack?

C3 AI scores 86 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 C3 AI tech stack?

Alion reads every job posting C3 AI publishes and tags the technologies each one names. The figures on this page count the 90 postings of the last 12 months and were updated on Nov 11, 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, "C3 AI tech stack: 86 technologies from 90 job postings", as of Nov 11, 2026. https://alion.io/company/c3-ai/technologies

Licence: CC BY-SA 4.0JSON