Jouster tech stack
Jouster builds mostly with JavaScript. Its stack also includes AWS, GCP, LangChain, Pinecone. LLM is named in 3 of the 7 job postings Jouster published in the last 12 months (43%). Counted by Alion from the job postings of Jouster, updated Nov 1, 2026.
What programming languages does Jouster use?
JavaScript is named in 14% of job postings at Jouster.
JavaScript
1 14%
What frameworks and libraries does Jouster use?
LangChain is named in 29% of job postings at Jouster, followed by AutoGen (14%), Next.js (14%), React.js (14%).
What databases does Jouster use?
Pinecone is named in 14% of job postings at Jouster, followed by PostgreSQL (14%), Weaviate (14%).
What cloud and platforms does Jouster use?
AWS is named in 29% of job postings at Jouster, followed by GCP (29%), Ollama (29%), vLLM (29%).
Show all (11)
What developer tools does Jouster use?
Ansible is named in 14% of job postings at Jouster, followed by Triton Inference Server (14%).
Ansible
1 14%
Triton Inference Server
1 14%
What AI and ML technologies does Jouster use?
LLM is named in 43% of job postings at Jouster, followed by Claude (29%), ChatGPT (14%), SDXL (14%).
Which engineering practices does Jouster ask for?
Fine-tuning is named in 57% of job postings at Jouster, followed by RAG (43%), AI Agents (29%), Prompt Engineering (29%).
Fine-tuning
4 57%
RAG
3 43%
AI Agents
2 29%
Prompt Engineering
2 29%
Embeddings
2 29%
CI/CD
1 14%
How does your stack fit Jouster?
How modern is the Jouster stack?
Jouster scores 92 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 Jouster stack in its industry?
Share of the 1,815 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Jouster
Questions about the Jouster tech stack
What programming languages does Jouster use?
The languages named in Jouster job postings are JavaScript (14%), as a share of the 7 postings of the last 12 months.
Does Jouster use LangChain?
Yes. LangChain is named in 2 of 7 job postings (29%) and required in 1 of them.
What cloud and platforms does Jouster use?
The cloud and platforms named in Jouster job postings are AWS (2), GCP (2), Ollama (2) (postings in brackets).
Is the Jouster tech stack changing?
No new technology has appeared in Jouster job postings in the last six months.
How modern is the Jouster tech stack?
Jouster scores 92 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 Jouster tech stack?
Alion reads every job posting Jouster publishes and tags the technologies each one names. The figures on this page count the 7 postings of the last 12 months and were updated on Nov 1, 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, "Jouster tech stack: 35 technologies from 7 job postings", as of Nov 1, 2026. https://alion.io/company/jouster/technologies