Trading Systems Developer C# - SYD

Sig Susquehanna
📍 Australia, New South Wales, Australia 💼 Full time 🕒 Posted February 24, 2026

Job Description

JOB DESCRIPTION
Overview

Susquehanna is looking for a C# Developer within our Futures & Options team. In this role you will be involved in the analysis, design, and development of business-critical trading systems.

On a day to day basis, you'll collaborate with technologists, traders, and quantitative researchers/developers to achieve optimal outcomes. You'll see how your contributions towards developing and supporting leading-edge technologies make a firm-wide impact that makes us all smarter, faster, and better. You'll partner closely with our Traders, Quantitative Researchers, and other technology teams to deliver and manage scalable and highly performant systems to support trading in the region and globally.

What we're looking for

  • A bachelor’s degree (or higher) in a technical or related discipline
  • A track record / knowledge / interest in trading, risk, quantitative or trading systems developme...

Ready to Apply?

Submit your application today and join our talented team at Sig Susquehanna.

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Job Details

  • Location Australia, New South Wales
  • Job Type Full time
  • Category Computer Occupations
  • Posted Date February 24, 2026
  • Application Deadline April 05, 2026