Stack AI tech stack
Stack AI builds mostly with Python, TypeScript, JavaScript, Node JS. Its stack also includes PostgreSQL, FastAPI, AWS, Azure. Python is named in 15 of the 21 job postings Stack AI published in the last 12 months (71%). Counted by Alion from the job postings of Stack AI, updated Sep 29, 2026.
What programming languages does Stack AI use?
Python is named in 71% of job postings at Stack AI, followed by TypeScript (43%), JavaScript (43%), Node JS (19%).
What frameworks and libraries does Stack AI use?
FastAPI is named in 29% of job postings at Stack AI, followed by Next.js (19%), React.js (19%), LangChain (10%).
FastAPI
6 29%
Next.js
4 19%
React.js
4 19%
LangChain
2 10%
LangGraph
2 10%
OpenTelemetry
2 10%
Pydantic AI
2 10%
Cypress
1 5%
Show all (12)
What databases does Stack AI use?
PostgreSQL is named in 33% of job postings at Stack AI, followed by ClickHouse (10%), Redis (5%).
What cloud and platforms does Stack AI use?
AWS is named in 19% of job postings at Stack AI, followed by Azure (19%), GCP (19%), GitHub Actions (14%).
AWS
4 19%
Azure
4 19%
GCP
4 19%
GitHub Actions
3 14%
Azure DevOps
2 10%
Datadog
2 10%
GitLab CI
2 10%
Grafana
2 10%
Show all (13)
What developer tools does Stack AI use?
Docker is named in 14% of job postings at Stack AI, followed by Prometheus (10%), Rest API (10%), Terraform (10%).
Docker
3 14%
Prometheus
2 10%
Rest API
2 10%
Terraform
2 10%
FluxCD
2 10%
Git
1 5%
GraphQL
1 5%
k6
1 5%
Show all (9)
What AI and ML technologies does Stack AI use?
LLM is named in 43% of job postings at Stack AI, followed by ChatGPT (24%), Claude (5%), Gemini (5%).
Which engineering practices does Stack AI ask for?
AI Agents is named in 52% of job postings at Stack AI, followed by CI/CD (24%), Machine Learning (14%), RAG (14%).
AI Agents
11 52%
CI/CD
5 24%
RAG
3 14%
Platform Engineering
2 10%
GitOps
2 10%
Show all (11)
What does each Stack AI team work with?
The technologies each team's postings require most often, with the number of postings that require them.
DevOps
4 postingsBackend
4 postingsHow does your stack fit Stack AI?
How much does Stack AI pay by technology?
Median stated pay of the postings that name each technology, against the median of all Stack AI postings with stated pay: $170k across 21 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| Python | 15 | $145k | −15% |
| LLM | 9 | $190k | +12% |
| JavaScript | 9 | $146k | −14% |
| TypeScript | 9 | $146k | −14% |
| PostgreSQL | 7 | $170k | 0% |
| FastAPI | 6 | $122k | −28% |
| ChatGPT | 5 | $200k | +18% |
How is the Stack 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.
How modern is the Stack AI stack?
Stack AI scores 91 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: 5; legacy ones: 0.
How common is the Stack AI stack in its industry?
Share of the 870 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Stack AI
Questions about the Stack AI tech stack
What programming languages does Stack AI use?
The languages named in Stack AI job postings are Python (71%), TypeScript (43%), JavaScript (43%), Node JS (19%), SQL (5%), as a share of the 21 postings of the last 12 months.
Does Stack AI use FastAPI?
Yes. FastAPI is named in 6 of 21 job postings (29%) and required in 5 of them.
What cloud and platforms does Stack AI use?
The cloud and platforms named in Stack AI job postings are AWS (4), Azure (4), GCP (4) (postings in brackets).
What skills do you need for a DevOps job at Stack AI?
DevOps postings at Stack AI most often require Python (4), AWS (2), Azure (2), Azure DevOps (2), out of 4 postings in the last 12 months.
Is the Stack AI tech stack changing?
Yes. Azure DevOps, Datadog, GitLab CI, Grafana first appeared in Stack AI job postings in the last six months.
How modern is the Stack AI tech stack?
Stack AI scores 91 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: 5; legacy ones: 0.
How does Alion know the Stack AI tech stack?
Alion reads every job posting Stack AI publishes and tags the technologies each one names. The figures on this page count the 21 postings of the last 12 months and were updated on Sep 29, 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, "Stack AI tech stack: 58 technologies from 21 job postings", as of Sep 29, 2026. https://alion.io/company/stackai/technologies