Quantitative Researcher – PhD Intern (Europe)

Overview

Citadel Securities is a technology-driven, next-generation global market maker. Our team of quantitative researchers models the markets and develops trading strategies to bring them to life daily. The team applies sophisticated statistical techniques to financial markets and large, complex data sets.

Internship Details

We offer an 11-week internship program designed to foster collaboration with senior team members and provide opportunities to network with peers. The program runs from June through August, with occasional flexibility to other times of the year. Applicants may indicate their 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 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 London, Paris, and Zurich.

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 across 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 clients’ most critical challenges. We are forging the future of capital markets.

Application

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