C# Developer for Trading Systems

7 days ago


Sydney, New South Wales, Australia Susquehanna Pacific Full time
About the Role

Susquehanna Pacific is a leading global quantitative trading firm that specializes in derivatives trading. We are seeking an experienced C# developer to join our Options Trading desk.

In this role, you will work closely with traders and other technology teams to develop high-performance trading applications using C# as the primary development language. Your key responsibilities will include designing, developing, and implementing backend/server-side applications, collaborating with quantitative researchers on trading models and signals, and ensuring the scalability and reliability of our systems.

What You Can Expect

You will be part of a dynamic team that values innovation, collaboration, and continuous learning. As a C# developer at Susquehanna Pacific, you can expect:

  • To make a real impact: Your contributions will be integral to designing and optimizing systems that process massive amounts of data while ensuring high performance and stability.
  • To collaborate closely with traders, quantitative researchers, and infrastructure teams to develop and manage scalable systems.
  • To grow professionally: We encourage our employees to continuously innovate, learn, and grow, regardless of prior industry experience.
Key Requirements

To succeed in this role, you will need:

  • Exceptional C# development skills, including extensive knowledge of design, profiling, OOP, multi-threading, and performance-focused on back-end development.
  • A track record of market making or order routing systems development is critical.
  • Strong verbal communication skills and the ability to deal effectively with both technical and non-technical teams.
  • Experience in C++ and Python on Windows or Linux would be beneficial but not essential.
  • A minimum of a Bachelor's degree in Computer Science, Engineering, Mathematics, or a related discipline.
  • Expert knowledge of financial markets and derivatives products.
About Us

Susquehanna Pacific is a global firm founded by a group of friends who share a passion for game theory and probabilistic thinking. Our culture is centered around relentless problem-solving, and we drive optimal decisions through collaboration across our core disciplines: Trading, Technology, and Quantitative Research.

We handle millions of trading transactions worldwide every day, providing liquidity and competitive prices for buyers and sellers. Our presence in the market is broad, with highly specialized trading desks that allow for deep understanding of unique drivers for each asset class.



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