Quantitative Researcher – PhD Intern (Asia)

Citadel·Singapore·Hedge Fund & Quant

Citadel is hiring a Quantitative Researcher – PhD Intern (Asia) in Singapore. Posted 2026-05-29; applications close 2026-07-28 (in 45 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 will apply sophisticated and complex statistical techniques to financial markets and large data sets to advance research and trading capabilities.

Internship Program

As an intern, you will participate in an 11-week program that enables collaboration with senior team members and networking with peers. The internship takes place from June through August, with some flexibility to accommodate other times of the year. You may indicate your timing preference in the application.

Your Objectives

  • Conceptualize valuation strategies, develop and continuously improve mathematical models, and translate algorithms into code.
  • Back test and implement trading models and signals in a live trading environment.
  • Leverage 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 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.

Locations

Opportunities are available in Singapore and Hong Kong.

About Citadel

Citadel is one of the world’s leading alternative investment managers. We manage capital for 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 growth and drive real impact.

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