EOS tech stack
EOS builds mostly with JavaScript, Python, TypeScript. Its stack also includes Windows, Azure, drei, React Three Fiber. Windows is named in 5 of the 18 job postings EOS published in the last 12 months (28%). Counted by Alion from the job postings of EOS, updated Nov 14, 2026.
What programming languages does EOS use?
JavaScript is named in 22% of job postings at EOS, followed by Python (11%), TypeScript (6%).
What frameworks and libraries does EOS use?
drei is named in 11% of job postings at EOS, followed by React Three Fiber (11%), React.js (6%), PyTorch (6%).
drei 
What cloud and platforms does EOS use?
Windows is named in 28% of job postings at EOS, followed by Azure (11%), Azure DevOps (6%), Databricks (6%).
What developer tools does EOS use?
Canva is named in 11% of job postings at EOS, followed by Rest API (11%), SolidWorks (11%), Adobe After Effects (6%).
Canva
2 11%
Rest API
2 11%
SolidWorks
2 11%
Adobe After Effects
1 6%
Adobe Photoshop
1 6%
Copilot
1 6%
Which engineering practices does EOS ask for?
AI Agents is named in 6% of job postings at EOS, followed by Agentic Workflows (6%), CAPA (6%), CI/CD (6%).
AI Agents
1 6%
CI/CD
1 6%
Platform Engineering
1 6%
Show all (9)
How does your stack fit EOS?
How is the EOS 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 EOS stack?
EOS scores 68 out of 100 (Modern). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 0; legacy ones: 0.
How common is the EOS stack in its industry?
Share of the 89 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like EOS
Questions about the EOS tech stack
What programming languages does EOS use?
The languages named in EOS job postings are JavaScript (22%), Python (11%), TypeScript (6%), as a share of the 18 postings of the last 12 months.
Does EOS use drei?
Yes. drei is named in 2 of 18 job postings (11%) and required in 2 of them.
What cloud and platforms does EOS use?
The cloud and platforms named in EOS job postings are Windows (5), Azure (2), Azure DevOps (1) (postings in brackets).
Is the EOS tech stack changing?
Yes. Rest API, SolidWorks, JavaScript, drei first appeared in EOS job postings in the last six months.
How modern is the EOS tech stack?
EOS scores 68 out of 100 (Modern). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 0; legacy ones: 0.
How does Alion know the EOS tech stack?
Alion reads every job posting EOS publishes and tags the technologies each one names. The figures on this page count the 18 postings of the last 12 months and were updated on Nov 14, 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, "EOS tech stack: 28 technologies from 18 job postings", as of Nov 14, 2026. https://alion.io/company/eos-info/technologies