Machine Learning PhD Internship

July 11, 2025

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Job Description

About Company

Susquehanna (referred to as Susquehanna or SIG in the context) is a quantitative trading firm that operates at the intersection of data, algorithms, and financial markets. They leverage machine learning, data science, and cutting-edge research to solve high-impact problems in quantitative trading and finance. The company is characterized by a collaborative, intellectually stimulating environment with global reach, and offers access to unparalleled financial data and computing resources.

Job Description, Detailed

This is a Machine Learning PhD Internship at Susquehanna, designed as a 10-week immersive experience.

1. Overview and Purpose:
• The internship is tailored for PhD candidates who are passionate about solving high-impact problems at the intersection of data, algorithms, and markets.
• Interns will work on projects that closely mirror the challenges and workflows of Susquehanna’s full-time research team.
• The core objective is to apply technical expertise in machine learning and data science to real-world financial problems, while developing a deep understanding of how machine learning integrates into Susquehanna’s research and trading systems.
• Interns will leverage vast and diverse datasets and apply cutting-edge machine learning at scale to drive data-informed decisions in areas ranging from predictive modeling to strategic execution.

2. Key Responsibilities and Expected Activities:
Conduct research and develop ML models specifically designed to identify patterns within noisy, non-stationary financial data.
• Work directly with the Machine Learning team on real, impactful problems in quantitative trading and finance.
• Act as a bridge between cutting-edge ML research and practical implementation within the trading systems.
Collaborate extensively with various stakeholders, including researchers, developers, and traders, to enhance existing models and explore novel algorithmic approaches.
Design and run experiments utilizing the latest ML tools and frameworks.
• Receive one-on-one mentorship from experienced researchers and technologists.
• Participate in a comprehensive education program that includes deep dives into Susquehanna’s ML, quantitative analysis, and trading practices.
• Apply rigorous scientific methods to extract meaningful signals from complex datasets and contribute to the firm’s understanding of market behavior.
• Explore various facets of machine learning in quantitative finance, encompassing aspects like alpha generation, signal processing, model deployment, and risk-aware decision making.

3. Desired Qualifications and Skills:
• Currently pursuing a PhD in a highly relevant field such as Computer Science, Machine Learning, Statistics, Physics, or Applied Mathematics, or a closely related discipline.
• Demonstrated proven experience applying machine learning techniques in either a professional or academic setting.
• A strong publication record in top-tier machine learning conferences (e.g., NeurIPS, ICML, ICLR) is highly valued.
• Hands-on experience and proficiency with widely used machine learning frameworks, specifically PyTorch and TensorFlow.
• A deep interest in solving complex problems and a strong drive to innovate within a fast-paced, competitive environment.

4. Benefits of Joining:
• Opportunity to work with a world-class team of researchers and technologists.
• Access to unparalleled financial data and computing resources.
• The chance to make a direct and tangible impact on trading performance.
• Immersion in a collaborative, intellectually stimulating environment with global reach.

5. Compensation and Logistics:
• Interns will receive a weekly base salary of $6000 for the duration of the ten-week program.
• In addition to the salary, interns will also receive a signing bonus.
Housing, breakfast and lunch, and other undisclosed perks will be provided.
• Recruiting for this position is scheduled to begin in July.
Note for Recruiting Agencies: Agencies interested in partnership should contact `recruiting@sig.com`. Any resume or referral submitted without a signed agreement will not be eligible for an agency fee.