O'Neill tech stack
O'Neill builds mostly with PHP, Python, SQL, JavaScript. Its stack also includes GCP, Windows, Supervision, Commander.js. PHP is named in 8 of the 46 job postings O'Neill published in the last 12 months (17%). Counted by Alion from the job postings of O'Neill, updated Sep 28, 2026.
What programming languages does O'Neill use?
PHP is named in 17% of job postings at O'Neill, followed by Python (4%), SQL (4%), JavaScript (4%).
Stata What frameworks and libraries does O'Neill use?
Supervision is named in 4% of job postings at O'Neill, followed by Commander.js (2%), Hadoop (2%), JQuery (2%).
What cloud and platforms does O'Neill use?
GCP is named in 15% of job postings at O'Neill, followed by Windows (9%), Figma (9%), Azure (7%).
Show all (17)
What developer tools does O'Neill use?
Microsoft Excel is named in 26% of job postings at O'Neill, followed by WordPress (17%), Canva (13%), Adobe Photoshop (7%).
What AI and ML technologies does O'Neill use?
LLM is named in 2% of job postings at O'Neill.
LLM
1 2%
Which engineering practices does O'Neill ask for?
SLI/SLO/SLA is named in 7% of job postings at O'Neill, followed by DNS (2%), HPC (2%), Incident Management (2%).
SLI/SLO/SLA
3 7%
HPC
1 2%
Incident Management
1 2%
NLP
1 2%
What does each O'Neill team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Administrative
15 postingsHow does your stack fit O'Neill?
How much does O'Neill pay by technology?
Median stated pay of the postings that name each technology, against the median of all O'Neill postings with stated pay: $88k across 36 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| GCP | 6 | $116k | +32% |
| PHP | 6 | $88k | 0% |
How is the O'Neill 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 O'Neill stack?
O'Neill scores 71 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 common is the O'Neill stack in its industry?
Share of the 917 companies in the same industries, whose stack Alion knows, that use each technology.
What sets O'Neill apart
Companies with a stack like O'Neill
Legends Global
28 shared technologies
Northeastern University
33 shared technologies
ProSidian Consulting
32 shared technologies
Mass General Brigham
30 shared technologies
Texas A&M University System
31 shared technologies
AIG
31 shared technologies
City of New York
36 shared technologies
Cardinal Health Canada
31 shared technologies
Questions about the O'Neill tech stack
What programming languages does O'Neill use?
The languages named in O'Neill job postings are PHP (17%), Python (4%), SQL (4%), JavaScript (4%), Node JS (2%), as a share of the 46 postings of the last 12 months.
Does O'Neill use GCP?
Yes. GCP is named in 7 of 46 job postings (15%) and required in 7 of them.
What cloud and platforms does O'Neill use?
The cloud and platforms named in O'Neill job postings are GCP (7), Windows (4), Figma (4) (postings in brackets).
What skills do you need for a Administrative job at O'Neill?
Administrative postings at O'Neill most often require Microsoft Excel (5), GCP (4), WordPress (4), Canva (3), out of 15 postings in the last 12 months.
Is the O'Neill tech stack changing?
Yes. Supervision first appeared in O'Neill job postings in the last six months.
How modern is the O'Neill tech stack?
O'Neill scores 71 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 O'Neill tech stack?
Alion reads every job posting O'Neill publishes and tags the technologies each one names. The figures on this page count the 46 postings of the last 12 months and were updated on Sep 28, 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, "O'Neill tech stack: 40 technologies from 46 job postings", as of Sep 28, 2026. https://alion.io/company/o-neill/technologies