Quantitative Researcher – PhD Intern (Asia)

Citadel Securities·Hong Kong·Hedge Fund & Quant

Citadel Securities is hiring a Quantitative Researcher – PhD Intern (Asia) in Hong Kong. Posted 2026-05-29; applications close 2026-07-28 (in 59 days).

Role details

About Citadel Securities

Citadel Securities is a technology-driven, next-generation global market maker. We provide institutional and retail investors with world-class liquidity, competitive pricing, and seamless front-to-back execution in a broad array of financial products. Our teams of engineers, traders, and researchers harness leading-edge quantitative research and the accelerating power of compute, machine learning, and AI to power our analytics and tackle the market’s and our clients’ most critical challenges. We are forging the future of capital markets.

Internship Program

As an intern, you will participate in an 11-week program that allows you to collaborate and connect with senior team members. You will have the opportunity to network and socialize with peers throughout the internship. The signature internship program takes place June through August, with some flexibility to other times of the year. You will be able to 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
  • 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

Locations

Opportunities available in Hong Kong and Singapore

Application

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This Quantitative Researcher – PhD Intern (Asia) role at Citadel Securities 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.

Jorb AI tracks details for Quantitative Researcher – PhD Intern (Asia) at Citadel Securities. Postings refresh hourly from primary careers pages. Job details mirror the firm's posting; the apply link goes directly to the source. Last refreshed 2026-05-30.

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