ON.energy tech stack
ON.energy builds mostly with Python, MATLAB, SQL, C#. Its stack also includes Azure, Azure DevOps, Transformers, Pytest. Python is named in 10 of the 32 job postings ON.energy published in the last 12 months (31%). Counted by Alion from the job postings of ON.energy, updated Oct 2, 2026.
What programming languages does ON.energy use?
Python is named in 31% of job postings at ON.energy, followed by MATLAB (19%), SQL (13%), C# (3%).
C# 
What frameworks and libraries does ON.energy use?
Transformers is named in 6% of job postings at ON.energy, followed by Pytest (6%), Playwright (3%), Rest-Assured (3%).
Transformers
2 6%
Pytest
2 6%
Playwright
1 3%
Rest-Assured
1 3%
Selenium
1 3%
Boto3
1 3%
Cucumber
1 3%
What databases does ON.energy use?
Apache Hudi is named in 3% of job postings at ON.energy, followed by Apache Iceberg (3%), Delta Lake (3%), DynamoDB (3%).
What cloud and platforms does ON.energy use?
Azure is named in 22% of job postings at ON.energy, followed by Azure DevOps (19%), AWS (13%), Microsoft Entra ID (9%).
Azure
7 22%
Azure DevOps
6 19%
AWS
4 13%
Wazuh
2 6%
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What developer tools does ON.energy use?
OPC UA is named in 25% of job postings at ON.energy, followed by AutoCAD (19%), MQTT (13%), Git (9%).
OPC UA
8 25%
AutoCAD
6 19%
MQTT
4 13%
Git
3 9%
CloudFormation
2 6%
Terraform
2 6%
Wireshark
2 6%
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What AI and ML technologies does ON.energy use?
LLM is named in 6% of job postings at ON.energy.
LLM
2 6%
Which engineering practices does ON.energy ask for?
VPN is named in 16% of job postings at ON.energy, followed by TCP/IP (13%), BGP (9%), OSPF (9%).
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What other technologies does ON.energy use?
Base is named in 3% of job postings at ON.energy.
Base
1 3%
What does each ON.energy team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Industrial Engineering
5 postingsQA
4 postingsHow does your stack fit ON.energy?
How is the ON.energy 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 ON.energy stack?
ON.energy scores 72 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: 1; legacy ones: 0.
Companies with a stack like ON.energy
Questions about the ON.energy tech stack
What programming languages does ON.energy use?
The languages named in ON.energy job postings are Python (31%), MATLAB (19%), SQL (13%), C# (3%), C++ (3%), as a share of the 32 postings of the last 12 months.
Does ON.energy use Transformers?
Yes. Transformers is named in 2 of 32 job postings (6%) and required in 2 of them.
What cloud and platforms does ON.energy use?
The cloud and platforms named in ON.energy job postings are Azure (7), Azure DevOps (6), AWS (4) (postings in brackets).
What skills do you need for a Industrial Engineering job at ON.energy?
Industrial Engineering postings at ON.energy most often require AutoCAD (2), MATLAB (2), Transformers (2), out of 5 postings in the last 12 months.
Is the ON.energy tech stack changing?
Yes. Power BI, CloudFormation, Terraform, Microsoft Entra ID first appeared in ON.energy job postings in the last six months.
How modern is the ON.energy tech stack?
ON.energy scores 72 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: 1; legacy ones: 0.
How does Alion know the ON.energy tech stack?
Alion reads every job posting ON.energy publishes and tags the technologies each one names. The figures on this page count the 32 postings of the last 12 months and were updated on Oct 2, 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, "ON.energy tech stack: 81 technologies from 32 job postings", as of Oct 2, 2026. https://alion.io/company/onenergy/technologies