Susquehanna International Group

Quantitative Systematic Trader - PhD: 2027

Susquehanna International Group$100K — $150K *
Finance & Insurance
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • PhD or postdoc in quantitative field (Mathematics, Physics, Statistics, etc.) expected by Summer 2026
  • Strong analytical problem-solving skills
  • Ability to communicate clearly in a collaborative environment
  • Proficient in Python for data analysis; C++ experience preferred
  • Strategic thinker with interest in competitive activities
  • Self-motivated with ability to learn quickly in fast-paced settings
  • Deep interest in trading and market microstructure

Responsibilities

  • Model market behavior using probability theory and statistical analysis
  • Optimize trading strategies using quantitative signals and market insights
  • Manage real-time execution and performance of trading strategies
  • Engage in continuous education and mentorship for professional growth
  • Collaborate with researchers and technologists on execution engine development

Benefits

  • Personalized mentorship from experienced professionals
  • Access to a comprehensive education program
  • Collaboration in an open work environment
  • Visa sponsorship available for qualified candidates
Full Job Description
Overview

As a Quantitative Systematic Trader at Susquehanna, you'll combine quantitative research expertise with deep trading intuition to build and refine data-driven, fully automated trading strategies. You'll actively monitor real-time strategy performance and use market behavior and feedback to improve and optimize profitability. Serving as a hybrid between traders and researchers, Quantitative Systematic Traders focus more on alpha monetization, execution efficiency, and live trading performance.

What you can expect
  • Modelling. Apply probability theory, statistical analysis, and machine learning techniques to analyze and interpret market behavior
  • Alpha Monetization. Blend quantitative signals with trading intuition and live market insights to optimize existing strategies or build new ones from the ground up
  • Risk Management. Oversee the deployment and real-time operation of trading strategies, fine-tune parameters, and respond to anomalies as needed
  • Education. Participate in a comprehensive education program and receive personalized mentorship from senior professionals to accelerate your growth
  • Collaboration. Work in an open environment that allows you to collaborate with researchers and technologists to build parts of the execution engine

What we're looking for

  • PhDs graduating by Summer 2026 or postdocs in quantitative fields such as Mathematics, Physics, Statistics, Electrical Engineering, Computer Science, Operations Research, or Economics
  • Analytical problem-solvers with excellent logical reasoning and a passion for turning data into decisions
  • Clear communicators in a fast-paced and highly collaborative environment
  • Programmers comfortable processing and analyzing large data sets in Python; experience with C++ (or another low-level language) is a plus
  • Strategic thinkers with demonstrated interests in strategic games and/or competitive activities
  • Self-motivated and quick to learn, thriving in dynamic, fast-moving environment
  • Strong Trading Interest and drive to develop a deep mental model of microstructure and market intuition


Visa sponsorship is available for this position.

By applying to this role, you will be automatically considered for the Quantitative Research position. There is no need to apply to both positions to be considered for both.

#LI-Onsite

About Susquehanna International Group

Susquehanna International Group is a global quantitative trading firm that was founded in 1987. The company specializes in trading options, futures, equities, and other securities. It has offices in North America, Europe, and Asia and employs over 2,500 people. The company is known for its innovative trading strategies and advanced technology. It is also involved in venture capital and private equity investments.
Learn more about Susquehanna International Group
Size
2,500 employees
Industry
Founded
1987

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