iion tech stack
iion builds mostly with Python, SQL. Its stack also includes CrewAI, LangChain, AWS, Anthropic. Python is named in 3 of the 3 job postings iion published in the last 12 months (100%). Counted by Alion from the job postings of iion, updated Nov 7, 2026.
What programming languages does iion use?
Python is named in 100% of job postings at iion, followed by SQL (67%).
What frameworks and libraries does iion use?
CrewAI is named in 67% of job postings at iion, followed by LangChain (67%), LlamaIndex (67%), Asyncio (33%).
What databases does iion use?
Chroma is named in 33% of job postings at iion, followed by Pinecone (33%).
What cloud and platforms does iion use?
AWS is named in 33% of job postings at iion, followed by Anthropic (33%), LangSmith (33%), Langfuse (33%).
What developer tools does iion use?
Matter is named in 33% of job postings at iion, followed by Rest API (33%), Git (33%), Model Context Protocol (33%).
What AI and ML technologies does iion use?
LLM is named in 67% of job postings at iion, followed by Claude (33%).
Which engineering practices does iion ask for?
AI Agents is named in 67% of job postings at iion, followed by Machine Learning (67%), A/B Testing (33%), Agentic Workflows (33%).
AI Agents
2 67%
CI/CD
1 33%
RAG
1 33%
Show all (9)
How does your stack fit iion?
How modern is the iion stack?
iion scores 87 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 common is the iion stack in its industry?
Share of the 1,286 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like iion
Questions about the iion tech stack
What programming languages does iion use?
The languages named in iion job postings are Python (100%), SQL (67%), as a share of the 3 postings of the last 12 months.
Does iion use CrewAI?
Yes. CrewAI is named in 2 of 3 job postings (67%) and required in 1 of them.
What cloud and platforms does iion use?
The cloud and platforms named in iion job postings are AWS (1), Anthropic (1), LangSmith (1) (postings in brackets).
Is the iion tech stack changing?
No new technology has appeared in iion job postings in the last six months.
How modern is the iion tech stack?
iion scores 87 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 iion tech stack?
Alion reads every job posting iion 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 Nov 7, 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, "iion tech stack: 31 technologies from 3 job postings", as of Nov 7, 2026. https://alion.io/company/iion-io/technologies