Proto tech stack
Proto builds mostly with Node JS, Python, TypeScript, JavaScript. Its stack also includes Figma, AWS, FastAPI, React.js. Figma is named in 2 of the 3 job postings Proto published in the last 12 months (67%). Counted by Alion from the job postings of Proto, updated Nov 11, 2026.
What programming languages does Proto use?
Node JS is named in 33% of job postings at Proto, followed by Python (33%), TypeScript (33%), JavaScript (33%).
What frameworks and libraries does Proto use?
FastAPI is named in 33% of job postings at Proto, followed by React.js (33%).
What cloud and platforms does Proto use?
Figma is named in 67% of job postings at Proto, followed by AWS (33%).
What developer tools does Proto use?
Docker is named in 33% of job postings at Proto, followed by Rest API (33%).
Which engineering practices does Proto ask for?
AI Agents is named in 33% of job postings at Proto, followed by CI/CD (33%), Prompt Engineering (33%).
How does your stack fit Proto?
How modern is the Proto stack?
Proto 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: 1; legacy ones: 0.
How common is the Proto stack in its industry?
Share of the 849 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Proto
Questions about the Proto tech stack
What programming languages does Proto use?
The languages named in Proto job postings are Node JS (33%), Python (33%), TypeScript (33%), JavaScript (33%), as a share of the 3 postings of the last 12 months.
Does Proto use Figma?
Yes. Figma is named in 2 of 3 job postings (67%) and required in 2 of them.
What cloud and platforms does Proto use?
The cloud and platforms named in Proto job postings are Figma (2), AWS (1) (postings in brackets).
Is the Proto tech stack changing?
No new technology has appeared in Proto job postings in the last six months.
How modern is the Proto tech stack?
Proto 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: 1; legacy ones: 0.
How does Alion know the Proto tech stack?
Alion reads every job posting Proto 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 11, 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, "Proto tech stack: 14 technologies from 3 job postings", as of Nov 11, 2026. https://alion.io/company/proto-4/technologies