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Senior C# Trading Systems Engineer (Quant/Markets)

Susquehanna International Group, LLPSydney, Sydney🇦🇺AustraliaPosted 11 Oct 2026

Quick Overview

Seniority
Mid Senior
Employment type
Full Time
Work mode
Hybrid
Location
Sydney, Sydney, Australia
C#

Job Description

Susquehanna International Group, LLP in Sydney, Australia seeks a senior C# developer to build high performance distributed, server based and front end trading systems. You will work with traders and quant researchers on live markets across Asia, US and Europe to implement trading models and signals.

You'll collaborate across tech teams to deliver integrated solutions, benefit from a flat hierarchy and a competitive bonus, private healthcare, gym allowances, and generous leave.

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