Arena tech stack
Arena builds mostly with JavaScript, TypeScript, Node JS, Python. Its stack also includes AWS, PostgreSQL, Redis, API Gateway. JavaScript is named in 3 of the 8 job postings Arena published in the last 12 months (38%). Counted by Alion from the job postings of Arena, updated Nov 3, 2026.
What programming languages does Arena use?
JavaScript is named in 38% of job postings at Arena, followed by TypeScript (38%), Node JS (25%), Python (13%).
What frameworks and libraries does Arena use?
Cypress is named in 13% of job postings at Arena, followed by Jest (13%), Selenium (13%), LangChain (13%).
What databases does Arena use?
PostgreSQL is named in 25% of job postings at Arena, followed by Redis (25%), DynamoDB (13%), Firestore (13%).
What cloud and platforms does Arena use?
AWS is named in 25% of job postings at Arena, followed by API Gateway (13%), AWS Fargate (13%), AWS Lambda (13%).
AWS
2 25%
AWS Fargate
1 13%
AWS Lambda
1 13%
Amazon EC2
1 13%
Show all (10)
What developer tools does Arena use?
GraphQL is named in 25% of job postings at Arena, followed by Rest API (25%), WebSockets (25%).
Which engineering practices does Arena ask for?
Multimodal AI is named in 100% of job postings at Arena, followed by AI Agents (100%), Embeddings (13%), Function Calling (13%).
Multimodal AI
8 100%
AI Agents
8 100%
Embeddings
1 13%
Function Calling
1 13%
Prompt Engineering
1 13%
RAG
1 13%
Show all (11)
How does your stack fit Arena?
How modern is the Arena stack?
Arena scores 79 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: 1; legacy ones: 0.
How common is the Arena stack in its industry?
Share of the 1,485 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Arena
Questions about the Arena tech stack
What programming languages does Arena use?
The languages named in Arena job postings are JavaScript (38%), TypeScript (38%), Node JS (25%), Python (13%), Go (13%), as a share of the 8 postings of the last 12 months.
Does Arena use AWS?
Yes. AWS is named in 2 of 8 job postings (25%) and required in 1 of them.
What cloud and platforms does Arena use?
The cloud and platforms named in Arena job postings are AWS (2), API Gateway (1), AWS Fargate (1) (postings in brackets).
Is the Arena tech stack changing?
No new technology has appeared in Arena job postings in the last six months.
How modern is the Arena tech stack?
Arena scores 79 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: 1; legacy ones: 0.
How does Alion know the Arena tech stack?
Alion reads every job posting Arena publishes and tags the technologies each one names. The figures on this page count the 8 postings of the last 12 months and were updated on Nov 3, 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, "Arena tech stack: 40 technologies from 8 job postings", as of Nov 3, 2026. https://alion.io/company/arena-im/technologies