OE System tech stack
OE System builds mostly with SQL, Java, Node JS, C#. Its stack also includes Azure, AWS, React.js, Oracle. SQL is named in 16 of the 21 job postings OE System published in the last 12 months (76%). Counted by Alion from the job postings of OE System, updated Nov 12, 2026.
What programming languages does OE System use?
SQL is named in 76% of job postings at OE System, followed by Java (33%), Node JS (24%), C# (24%).
What frameworks and libraries does OE System use?
React.js is named in 24% of job postings at OE System, followed by Selenium (10%).
What databases does OE System use?
Oracle is named in 10% of job postings at OE System.
Oracle
2 10%
What cloud and platforms does OE System use?
Azure is named in 43% of job postings at OE System, followed by AWS (33%), .NET (24%), Power BI (24%).
Which engineering practices does OE System ask for?
BGP is named in 19% of job postings at OE System, followed by OSPF (19%), ETL/ELT (10%), Data Vault (5%).
What does each OE System team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Analytics
7 postingsBackend
7 postingsHow does your stack fit OE System?
How modern is the OE System stack?
OE System scores 74 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.
Companies with a stack like OE System
Questions about the OE System tech stack
What programming languages does OE System use?
The languages named in OE System job postings are SQL (76%), Java (33%), Node JS (24%), C# (24%), JavaScript (24%), as a share of the 21 postings of the last 12 months.
Does OE System use React.js?
Yes. React.js is named in 5 of 21 job postings (24%) and required in 5 of them.
What cloud and platforms does OE System use?
The cloud and platforms named in OE System job postings are Azure (9), AWS (7), .NET (5) (postings in brackets).
What skills do you need for a Analytics job at OE System?
Analytics postings at OE System most often require SQL (7), Power BI (4), AWS (2), Azure (2), out of 7 postings in the last 12 months.
Is the OE System tech stack changing?
No new technology has appeared in OE System job postings in the last six months.
How modern is the OE System tech stack?
OE System scores 74 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 OE System tech stack?
Alion reads every job posting OE System publishes and tags the technologies each one names. The figures on this page count the 21 postings of the last 12 months and were updated on Nov 12, 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, "OE System tech stack: 18 technologies from 21 job postings", as of Nov 12, 2026. https://alion.io/company/oe-system-2/technologies