Cooley tech stack
Cooley builds mostly with SQL, JavaScript, Python, TypeScript. Its stack also includes Azure, AWS, Delta Lake, MS SQL. Azure is named in 9 of the 26 job postings Cooley published in the last 12 months (35%). Counted by Alion from the job postings of Cooley, updated Nov 12, 2026.
What programming languages does Cooley use?
SQL is named in 27% of job postings at Cooley, followed by JavaScript (12%), Python (12%), TypeScript (8%).
What frameworks and libraries does Cooley use?
React.js is named in 8% of job postings at Cooley, followed by Angular (4%), Cypress (4%), Playwright (4%).
What databases does Cooley use?
Delta Lake is named in 8% of job postings at Cooley, followed by MS SQL (8%), Azure SQL Database (4%), ElasticSearch (4%).
What cloud and platforms does Cooley use?
Azure is named in 35% of job postings at Cooley, followed by AWS (31%), Databricks (19%), Windows (19%).
Azure
9 35%
AWS
8 31%
Databricks
5 19%
GCP
4 15%
Windows Server
4 15%
GitHub
3 12%
Power BI
3 12%
Show all (29)
What developer tools does Cooley use?
Microsoft Excel is named in 12% of job postings at Cooley, followed by Rest API (12%), Terraform (12%), Claude Code (8%).
Rest API
3 12%
Terraform
3 12%
Claude Code
2 8%
ArgoCD
1 4%
CloudFormation
1 4%
Copilot
1 4%
Show all (16)
What AI and ML technologies does Cooley use?
Claude is named in 8% of job postings at Cooley, followed by ChatGPT (4%), LLM (4%).
Which engineering practices does Cooley ask for?
CI/CD is named in 31% of job postings at Cooley, followed by A/B Testing (8%), Anomaly Detection (8%), DHCP (8%).
CI/CD
8 31%
Anomaly Detection
2 8%
RAG
2 8%
Show all (16)
What does each Cooley team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Data Science
3 postingsSecurity
3 postingsHow does your stack fit Cooley?
How much does Cooley pay by technology?
Median stated pay of the postings that name each technology, against the median of all Cooley postings with stated pay: $175k across 17 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| Azure | 8 | $175k | 0% |
| AWS | 7 | $210k | +20% |
| SQL | 6 | $238k | +36% |
How is the Cooley 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 Cooley stack?
Cooley scores 85 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 3; legacy ones: 0.
How common is the Cooley stack in its industry?
Share of the 794 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Cooley
Questions about the Cooley tech stack
What programming languages does Cooley use?
The languages named in Cooley job postings are SQL (27%), JavaScript (12%), Python (12%), TypeScript (8%), C# (4%), as a share of the 26 postings of the last 12 months.
Does Cooley use React.js?
Yes. React.js is named in 2 of 26 job postings (8%) and required in 2 of them.
What cloud and platforms does Cooley use?
The cloud and platforms named in Cooley job postings are Azure (9), AWS (8), Databricks (5) (postings in brackets).
What skills do you need for a Data Science job at Cooley?
Data Science postings at Cooley most often require SQL (3), AWS (2), Azure (2), out of 3 postings in the last 12 months.
Is the Cooley tech stack changing?
Yes. Claude, Claude Code, Delta Lake, RAG first appeared in Cooley job postings in the last six months.
How modern is the Cooley tech stack?
Cooley scores 85 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 3; legacy ones: 0.
How does Alion know the Cooley tech stack?
Alion reads every job posting Cooley publishes and tags the technologies each one names. The figures on this page count the 26 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, "Cooley tech stack: 81 technologies from 26 job postings", as of Nov 12, 2026. https://alion.io/company/cooley/technologies