UL tech stack
UL builds mostly with Python, JavaScript, SQL, MATLAB. Its stack also includes Azure, Azure DevOps, React.js, MySQL. Python is named in 13 of the 33 job postings UL published in the last 12 months (39%). Counted by Alion from the job postings of UL, updated Sep 27, 2026.
What programming languages does UL use?
Python is named in 39% of job postings at UL, followed by JavaScript (21%), SQL (15%), MATLAB (9%).
Python
13 39%
JavaScript
7 21%
SQL
5 15%
MATLAB
3 9%
TypeScript
3 9%
Apex
2 6%
Node JS
2 6%
C++
1 3%
Show all (10)
What frameworks and libraries does UL use?
React.js is named in 9% of job postings at UL, followed by Aura Components (6%), Express (6%), Lightning Web Components (6%).
React.js
3 9%
Express
2 6%
Tailwind CSS
2 6%
shadcn/ui
2 6%
Radix UI
2 6%
Show all (16)
What databases does UL use?
MySQL is named in 6% of job postings at UL, followed by SQLite (6%).
What cloud and platforms does UL use?
Azure is named in 30% of job postings at UL, followed by Azure DevOps (27%), Power BI (12%), Kubernetes (9%).
Azure
10 30%
Azure DevOps
9 27%
Power BI
4 12%
Kubernetes
3 9%
Tableau
3 9%
GitHub
3 9%
Bitbucket
2 6%
Show all (17)
What developer tools does UL use?
Microsoft Excel is named in 9% of job postings at UL, followed by Docker (9%), Git (9%), CAPA (6%).
Docker
3 9%
Git
3 9%
SolidWorks
2 6%
Show all (11)
Which engineering practices does UL ask for?
Machine Learning is named in 15% of job postings at UL, followed by AI Agents (12%), CI/CD (9%), Digital Twin (9%).
AI Agents
4 12%
CI/CD
3 9%
Clean Architecture
2 6%
Platform Engineering
2 6%
RAG
2 6%
Show all (15)
What does each UL team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Industrial Engineering
9 postingsBackend
4 postingsAI/ML
3 postingsHow does your stack fit UL?
How is the UL 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 UL stack?
UL scores 69 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 UL stack in its industry?
Share of the 4,237 companies in the same industries, whose stack Alion knows, that use each technology.
What sets UL apart
Companies with a stack like UL
Questions about the UL tech stack
What programming languages does UL use?
The languages named in UL job postings are Python (39%), JavaScript (21%), SQL (15%), MATLAB (9%), TypeScript (9%), as a share of the 33 postings of the last 12 months.
Does UL use React.js?
Yes. React.js is named in 3 of 33 job postings (9%) and required in 3 of them.
What cloud and platforms does UL use?
The cloud and platforms named in UL job postings are Azure (10), Azure DevOps (9), Power BI (4) (postings in brackets).
What skills do you need for a Industrial Engineering job at UL?
Industrial Engineering postings at UL most often require CAPA (2), Microsoft Excel (2), out of 9 postings in the last 12 months.
Is the UL tech stack changing?
Yes. Simulink, Kubernetes, Clean Architecture, RAG first appeared in UL job postings in the last six months.
How modern is the UL tech stack?
UL scores 69 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 UL tech stack?
Alion reads every job posting UL publishes and tags the technologies each one names. The figures on this page count the 33 postings of the last 12 months and were updated on Sep 27, 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, "UL tech stack: 71 technologies from 33 job postings", as of Sep 27, 2026. https://alion.io/company/ul-com/technologies