Citadel Securities tech stack
Citadel Securities builds mostly with C++, Python. Its stack also includes Active Directory, Linux. C++ is named in 3 of the 3 job postings Citadel Securities published in the last 12 months (100%). Counted by Alion from the job postings of Citadel Securities, updated Nov 14, 2026.
What programming languages does Citadel Securities use?
C++ is named in 100% of job postings at Citadel Securities, followed by Python (100%).
What cloud and platforms does Citadel Securities use?
Active Directory is named in 33% of job postings at Citadel Securities, followed by Linux (33%).
What developer tools does Citadel Securities use?
Git is named in 33% of job postings at Citadel Securities, followed by Jenkins (33%), SLURM (33%), Terraform (33%).
Which engineering practices does Citadel Securities ask for?
Machine Learning is named in 67% of job postings at Citadel Securities, followed by NLP (67%), Time Series (67%), DNS (33%).
Time Series How does your stack fit Citadel Securities?
How modern is the Citadel Securities stack?
Citadel Securities scores 69 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 common is the Citadel Securities stack in its industry?
Share of the 175 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Citadel Securities
Questions about the Citadel Securities tech stack
What programming languages does Citadel Securities use?
The languages named in Citadel Securities job postings are C++ (100%), Python (100%), as a share of the 3 postings of the last 12 months.
What cloud and platforms does Citadel Securities use?
The cloud and platforms named in Citadel Securities job postings are Active Directory (1), Linux (1) (postings in brackets).
Is the Citadel Securities tech stack changing?
No new technology has appeared in Citadel Securities job postings in the last six months.
How modern is the Citadel Securities tech stack?
Citadel Securities scores 69 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 Citadel Securities tech stack?
Alion reads every job posting Citadel Securities publishes and tags the technologies each one names. The figures on this page count the 3 postings of the last 12 months and were updated on Nov 14, 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, "Citadel Securities tech stack: 12 technologies from 3 job postings", as of Nov 14, 2026. https://alion.io/company/citadel-securities/technologies