Quant jobs / Citadel

Quantitative Researcher – Post-Doctoral Intern (US)

An 11-week quantitative-research internship at Citadel. Work centres on statistical models, alternative data and tests of trading signals.

What you’d work on

Our reading of the posting: what a new hire in this role would most likely spend their first months on.

Translate a mathematical trading hypothesis into working research code
Backtest signals and investigate how they could be traded
Evaluate unconventional datasets for investment research
Analyse whether changes improve a signal’s economic usefulness

What they ask for

Required

Probability and statistics
Independent quantitative research
Coding models in Python, R or C++
Analytical precision
Communicating research findings

Education: Postdoctoral background in a quantitative subject
Experience: Prior independent, data-based research; no required number of years
Languages and tools: Python
R
C++

How to prepare

Backtest a signal and separate development from evaluation data
Implement a statistical model from its mathematical definition
Write a short assessment of an unconventional dataset’s weaknesses

What to study

The Quantitative Researcher roadmap sets out the stages for this kind of role, with free resources for each.

Open the roadmap

Apply

Read the full posting on Citadel’s site before applying: requirements, location and pay can change after we check them.

View the posting on Citadel’s site ↗

SelfMadeQuant wrote this summary from the employer’s public posting, last checked 6 November 2026. SelfMadeQuant isn’t affiliated with Citadel and doesn’t handle applications.