Machine Learning Researcher – PhD Intern (Asia)

Citadel·Singapore·Hedge Fund & Quant

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

Role details

Overview

Citadel is dedicated to being the most successful investment team in the world. Machine Learning Researchers play a key role 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 and work with some of the world’s most challenging datasets.

Internship Program

As an intern, you’ll engage in an 11-week program that enables collaboration with senior team members and networking with peers. The signature internship runs from June through August, with occasional flexibility to other times of the year. You will be able to indicate your timing preference in the application.

Responsibilities

  • Use statistics and machine learning (including deep learning and NLP) to extract patterns from various datasets through innovative and rigorous research.
  • Implement algorithms in high-quality code.
  • Work with large datasets, including unconventional and unstructured data sources.
  • Back-test models and document research findings.

Qualifications & Requirements

  • PhD degree in mathematics, statistics, physics, computer science, or another highly quantitative field.
  • Advanced training and a strong research track record in machine learning, statistics, deep learning, natural language processing, artificial intelligence, or a closely related quantitative field.
  • Hands-on programming experience in Python or C++.
  • Strong problem-solving skills and the ability to communicate advanced concepts concisely and logically.
  • Proficiency in creating and using algorithms to meticulously investigate and work through large data or error-checking problems.

Locations

Opportunities available in Hong Kong and Singapore.

Privacy

Citadel collects and uses personal data in accordance with our Privacy Policy. We retain data on prospective candidates and may consider suitability for alternative opportunities at Citadel. For more information, see our Privacy Policy.

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 growth and drive real impact.

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