Marex tech stack
Marex builds mostly with Python, SQL, PowerShell, JavaScript. Its stack also includes Windows, Linux, Oracle, React.js. Python is named in 31 of the 59 job postings Marex published in the last 12 months (53%). Counted by Alion from the job postings of Marex, updated Nov 13, 2026.
What programming languages does Marex use?
Python is named in 53% of job postings at Marex, followed by SQL (42%), PowerShell (17%), JavaScript (14%).
Python
31 53%
SQL
25 42%
PowerShell
10 17%
JavaScript
8 14%
TypeScript
5 8%
C#
4 7%
Node JS
3 5%
Apex
1 2%
Show all (12)
What frameworks and libraries does Marex use?
React.js is named in 10% of job postings at Marex, followed by Material UI (3%), NumPy (3%), Angular (3%).
React.js
6 10%
Material UI
2 3%
NumPy
2 3%
Angular
2 3%
ASP.NET Core
1 2%
Cucumber
1 2%
Cypress
1 2%
OpenTelemetry
1 2%
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What databases does Marex use?
Oracle is named in 14% of job postings at Marex, followed by PostgreSQL (5%), DynamoDB (2%), MongoDB (2%).
What cloud and platforms does Marex use?
Windows is named in 25% of job postings at Marex, followed by Linux (24%), AWS (20%), Unix (14%).
AWS
12 20%
Azure
6 10%
.NET
3 5%
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What developer tools does Marex use?
Microsoft Excel is named in 27% of job postings at Marex, followed by Terraform (8%), Alteryx (7%), Git (7%).
Terraform
5 8%
Git
4 7%
Rest API
3 5%
Docker
3 5%
Ansible
2 3%
Prometheus
2 3%
Show all (18)
What AI and ML technologies does Marex use?
Claude is named in 5% of job postings at Marex.
Claude
3 5%
Which engineering practices does Marex ask for?
CI/CD is named in 17% of job postings at Marex, followed by Incident Management (12%), DNS (7%), AI Agents (5%).
CI/CD
10 17%
Incident Management
7 12%
AI Agents
3 5%
Show all (24)
What does each Marex team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Support
10 postingsIndustrial Engineering
9 postingsFinance
8 postingsData Science
6 postingsAnalytics
5 postingsSecurity
3 postingsHow does your stack fit Marex?
How is the Marex 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 Marex stack?
Marex 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: 1; legacy ones: 0.
How common is the Marex stack in its industry?
Share of the 720 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Marex
Questions about the Marex tech stack
What programming languages does Marex use?
The languages named in Marex job postings are Python (53%), SQL (42%), PowerShell (17%), JavaScript (14%), TypeScript (8%), as a share of the 59 postings of the last 12 months.
Does Marex use React.js?
Yes. React.js is named in 6 of 59 job postings (10%) and required in 4 of them.
What cloud and platforms does Marex use?
The cloud and platforms named in Marex job postings are Windows (15), Linux (14), AWS (12) (postings in brackets).
What skills do you need for a Support job at Marex?
Support postings at Marex most often require PowerShell (8), Windows (7), Linux (6), Python (6), out of 10 postings in the last 12 months.
Is the Marex tech stack changing?
Yes. AWS Bedrock, Anthropic, EU AI Act, OpenAI first appeared in Marex job postings in the last six months.
How modern is the Marex tech stack?
Marex 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: 1; legacy ones: 0.
How does Alion know the Marex tech stack?
Alion reads every job posting Marex publishes and tags the technologies each one names. The figures on this page count the 59 postings of the last 12 months and were updated on Nov 13, 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, "Marex tech stack: 107 technologies from 59 job postings", as of Nov 13, 2026. https://alion.io/company/marex-com/technologies