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C#C++ Software Developer (Quoting)


Job Location:

Sydney - Australia

Monthly Salary: Not provided by the employer
Posted: 21 August 2026 (Yesterday)
Application Deadline: 18 November 2026
Vacancies: 1 Vacancy

Job Summary

Overview

Sydney or Hong Kong

Susquehanna International Group is seeking a Software Engineer to join our Options Trading desk where you will primarily work on our market making strategies.

Susquehanna technologists are at the heart of where cutting-edge technology meets the fast-paced world of trading. Our growing teams build some of the most powerful trading systems in the financial industry and solve complex problems in a constantly changing environment.

From large-scale computations real-time systems high-performance computing to petabytes of data we integrate sophisticated coding techniques with innovative engineering ideas. We design and optimize systems that can process massive amounts of data while ensuring high performance and stability. Collaborating with traders and quantitative researchers our systems engineers network architects technical analysts and software developers create competitive edge through best-in-class technical solutions.

What were looking for
  • C development skills with extensive knowledge of design profiling OOP multi-threading and performance focused on back-end development
  • Experience in quoting systems and market making strategies would be beneficial
  • Knowledge of financial markets and derivatives products
  • Willingness to work in C# and adapt to different programming languages as needed
  • Strong verbal communication skills and the ability to deal effectively with both technical and non-technical teams.
  • Experience in Python on Windows or Linux would be beneficial but not essential
  • Minimum of a Bachelors degree in Computer Science Engineering Mathematics or a related discipline

Whats in it for you

  • Our flat hierarchy enables you to drive meaningful impact by leveraging your expertise and taking ownership.
  • Greenfield impact: newly created role as we scale across APAC.
  • Private healthcare and wellness initiatives.
  • Daily office lunch allowance
  • Employee Assistance and Education Assistance Progams
  • Matched donations and corporate discounts.

About Susquehanna

What we do

Susquehannas deep integration of trading technology and quant research makes us experts in trading essentially all listed financial products and asset classes with a focus on derivatives. We handle millions of trading transactions around the world every day as both a market maker and market taker. Our efforts provide liquidity and ensure competitive prices for buyers and sellers. While our presence in the market is broad our trading desks are highly specialized to allow for a deep understanding of the unique drivers of each asset class.

Equal Opportunity statement
Werecommitted to building a diverse and inclusive workplace. We encourage candidates from all backgrounds to apply and are happy to provide reasonableaccommodationsduring the hiring process.

If youre a recruiting agency and want to partner with us please reach out to. Any resume or referral submitted in the absence of a signed agreement will not be eligible for an agency fee.

If youre a recruiting agency and want to partner with us please reach out to . Any resume or referral submitted in the absence of a signed agreement will not be eligible for an agency fee.

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Required Experience:

IC


About Company

Discover Susquehanna, a global quantitative trading firm built on a rigorous, analytical foundation in financial markets.

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