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Susquehanna International Group Logo Susquehanna International Group · Finance

Senior Trader - Prediction Markets

United States, Bala Cynwyd (Philadelphia Area), Pennsylvania · Job Posted February 03, 2026
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Job Description

We are seeking a highly analytical and technically strong Trader with deep expertise in prediction markets and real-time modeling. The ideal candidate combines strong trading intuition, robust statistical and programming skills, and the ability to translate ambiguous problems into structured, high-quality models that drive profitable decision-making.

Job Responsibility

  • Design and develop complex models to generate real-time fair values for intricate, uncertain domains (e.g., weather, event-driven outcomes, or probabilistic systems)
  • Identify edge cases, structural pitfalls, and modeling risks, proactively addressing them to ensure robustness and operational stability
  • Assess data needs and sourcing strategies, determining what inputs are required for accurate forecasting and collaborating with relevant teams to acquire them
  • Build initial model prototypes in Python, using libraries such as pandas and numpy, and partner closely with developers to productionize these models for real-world trading
  • Monitor, validate, and iterate on production models, ensuring strong performance and continuously improving predictive accuracy and trading outcomes
  • Identify, evaluate, and execute market-take opportunities arising from model insights and prediction-market dynamics
  • Collaborate with engineering teams to optimize trading strategies, enhance infrastructure, and scale automated decision-making

Requirements

  • Strong understanding of trading concepts, decision science, and probabilistic reasoning
  • Extensive experience with prediction markets, including market structure, pricing mechanics, and liquidity dynamics
  • Proficiency in Python, with deep working knowledge of pandas and numpy
  • Ability to think critically about uncertainty, model assumptions, and real-world edge cases
  • Strong communication skills and the ability to work cross-functionally with traders, developers, and data teams

What we offer

  • Relaxed dress code (jeans and sneakers are the norm and team jerseys every Friday)
  • Fully stocked kitchens for breakfast, lunch, snacks, and beverages
  • A state of the art fitness facility with brand-new equipment, multi-purpose courts, group exercise classes, and locker room spaces
  • Discounts for dining, entertainment, shopping, travel, and attractions
  • Social events such as a poker tournament, holiday party, company outings, and more
  • On-site Wellness Center
  • On-site services such as a mailroom, barber, dry cleaning, and car maintenance
  • Opportunities to give back to the community through Susquehanna sponsored events and donation drives
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