Propel tech stack
Propel builds mostly with JavaScript, Node JS, TypeScript. Its stack also includes React.js, LangChain, Milvus, Pinecone. JavaScript is named in 3 of the 3 job postings Propel published in the last 12 months (100%). Counted by Alion from the job postings of Propel, updated Oct 17, 2026.
What programming languages does Propel use?
JavaScript is named in 100% of job postings at Propel, followed by Node JS (100%), TypeScript (33%).
What frameworks and libraries does Propel use?
React.js is named in 100% of job postings at Propel, followed by LangChain (67%), LangGraph (33%), pgvector (33%).
What databases does Propel use?
Milvus is named in 33% of job postings at Propel, followed by Pinecone (33%), PostgreSQL (33%), Weaviate (33%).
What developer tools does Propel use?
Copilot is named in 33% of job postings at Propel, followed by Cursor (33%).
What AI and ML technologies does Propel use?
Claude is named in 100% of job postings at Propel, followed by ChatGPT (33%), LLM (33%).
Which engineering practices does Propel ask for?
AI Agents is named in 67% of job postings at Propel, followed by Embeddings (33%), Hybrid Search (33%), RAG (33%).
How does your stack fit Propel?
How modern is the Propel stack?
Propel scores 90 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 Propel stack in its industry?
Share of the 599 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Propel
Questions about the Propel tech stack
What programming languages does Propel use?
The languages named in Propel job postings are JavaScript (100%), Node JS (100%), TypeScript (33%), as a share of the 3 postings of the last 12 months.
Does Propel use React.js?
Yes. React.js is named in 3 of 3 job postings (100%) and required in 3 of them.
Is the Propel tech stack changing?
No new technology has appeared in Propel job postings in the last six months.
How modern is the Propel tech stack?
Propel scores 90 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 Propel tech stack?
Alion reads every job posting Propel 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 Oct 17, 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, "Propel tech stack: 21 technologies from 3 job postings", as of Oct 17, 2026. https://alion.io/company/propel/technologies