Demo

C# Developer

Susquehanna International Group, LLP
Sydney, FL Other
POSTED ON 2/26/2025
AVAILABLE BEFORE 2/23/2026

Overview

About Susquehanna

Susquehanna is a global quantitative trading firm founded by a group of friends who share a passion for game theory and probabilistic thinking. We have incorporated this approach into our culture, where you will find relentless problem solvers within each of our core disciplines: Trading, Technology, and Quantitative Research. From offices around the world, our employees collaborate to make optimal decisions and are driven by the desire to achieve winning results together. 

 

What you’ll do:

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. By integrating sophisticated coding techniques with innovative engineering ideas, we design and optimise systems that can process massive amounts of data while still 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. As a Software Developer at Susquehanna, day to day you will:

  • Collaborate with traders and other engineers on developing high performance C# server-based and front-end trading applications
  • Work closely with quantitative researchers on implementing trading models and signals
  • Collaborate with other technology teams to developed integrated technical solutions for trading.

What we’re looking for

What we’re looking for

  • Tertiary education in Computer Science field
  • 5 years of professional C# development experience
  • Experience in WPF or other User Interface technologies is desirable
  • Any experience with Python or C would be beneficial
  • Any experience with Web Services, Kubernetes, Linux and automated build and deployment systems would be beneficial
  • Good understanding of financial markets is highly regarded
  • Good communication skills and hard working.

What’s in it for you

  • Our flat hierarchy enables you to drive meaningful impact, by leveraging your expertise and taking ownership
  • Highly competitive remuneration and attractive bonus
  • Private healthcare and gym allowances, plus wellness initiatives
  • Additional leave entitlements including marriage leave and 2 bonus days annually
  • Fully stocked kitchen - daily breakfast and lunch
  • Regular social, sporting and community events including annual poker tournament
  • Matched donations and corporate discounts
  • Explore our benefits and culture: link

Susquehanna does not accept unsolicited resumes from recruiters or search firms. Any resume or referral submitted in the absence of a signed agreement will become the property of SIG and no fee will be paid.

 

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