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Senior Quantitative Developer

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Susquehanna International Group

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Location:
United States , Bala Cynwyd (Philadelphia Area), Pennsylvania

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

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Job Description:

As a Senior Quantitative Developer on the Options Market Taking Development team, you will play a critical role in designing and optimizing the systems that drive our electronic options market taking trading strategies. This role is highly performance-sensitive and offers the opportunity to work across both software and hardware-based infrastructure and algorithms. You’ll collaborate closely with traders, quants, and engineers to build and refine strategies that operate in some of the most competitive and latency-sensitive markets. A key part of your work will involve experimentation and iteration around strategy execution, enabling us to adapt quickly to changing market conditions.

Job Responsibility:

  • Design and implement high-performance trading algorithms and contribute to the evolution of our low-latency trading infrastructure for electronic options trading
  • Collaborate with quantitative researchers and traders to iterate on execution logic, signal integration, and market interaction models
  • Drive experimentation frameworks that allow for rapid testing of execution hypotheses, including microstructure-aware tactics, order placement logic, and adaptive strategies
  • Tap into tens of petabytes of raw and well prepped full tick market data, strategy decisions, fundamentals, and many other data sources to understand market dynamics and find new signals
  • Work on hybrid systems that combine software algorithms with hardware acceleration like FPGAs

Requirements:

  • At least 4+ years of programming experience in C#, with a deep understanding of high-throughput and systems-level performance is required
  • Background in developing performance-critical systems that integrate tightly with hardware, such as FPGAs, is a plus
  • Python/Pandas experience is a plus
  • Comfortable working in a fast-paced, collaborative environment with traders, researchers, and other developers to iterate quickly on ideas
  • Minimum of a Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, Physics, or a related technical field

Nice to have:

  • Background in developing performance-critical systems that integrate tightly with hardware, such as FPGAs, is a plus
  • Python/Pandas experience is a plus
What we offer:

Susquehanna offers a wide array of employee perks & benefits

Additional Information:

Job Posted:
February 04, 2026

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