Quantitative Researcher – PhD Intern (Asia)

Citadel·Hong Kong·Hedge Fund & Quant

Citadel is hiring a Quantitative Researcher – PhD Intern (Asia) in Hong Kong. Posted 2026-07-01; applications close 2026-08-30 (in 57 days).

Role details

Overview

At Citadel, our mission is to be the most successful investment team in the world. Quantitative Researchers play a key role in this mission by developing next-generation models and trading approaches for a range of investment strategies. You’ll apply sophisticated and complex statistical techniques to financial markets, some of the most challenging data sets in the world.

Internship Details

As an intern, you’ll participate in an 11-week program that enables collaboration and mentorship with senior team members. You will have opportunities to network and socialize with peers throughout the internship. The signature internship program runs June through August, with occasional flexibility to other times of the year. You will indicate your timing preference in the application.

Your Objectives

  • Conceptualize valuation strategies, develop and continuously improve mathematical models, and help translate algorithms into code
  • Back test and implement trading models and signals in a live trading environment
  • Use unconventional data sources to drive innovation
  • Conduct research and statistical analysis to build and refine monetization systems for trading signals

Your Skills & Talents

  • PhD degree in mathematics, statistics, physics, computer science, or another highly quantitative field
  • Strong knowledge of probability and statistics (e.g., machine learning, time-series analysis, pattern recognition, NLP)
  • Prior experience working in a data-driven research environment
  • Experience with translating mathematical models and algorithms into code (Python, R or C++)
  • Independent research experience
  • Ability to manage multiple tasks and thrive in a fast-paced team environment
  • Excellent analytical skills, with strong attention to detail
  • Strong written and verbal communication skills
  • Opportunities available in Singapore and Hong Kong

About Citadel

Citadel is one of the world’s leading alternative investment managers. We manage capital on behalf of many of the world’s preeminent private, public, and nonprofit institutions. We seek the highest and best use of investor capital to deliver market-leading results and contribute to broader economic growth. For over 30 years, Citadel has cultivated a culture of learning and collaboration among talented investment professionals, researchers, and engineers. Our colleagues are empowered to test their ideas and develop commercial solutions that accelerate their growth and drive real impact.

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This Quantitative Researcher – PhD Intern (Asia) role at Citadel runs through the firm's own careers portal and expects a CV and cover letter written specifically for the posting, not a portable submission carried across firms. Jorb AI's application agent tailors a CV and cover letter from your background to this posting and tracks the role alongside the rest of your applications.

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