C# Developer - Risk
Susquehanna International Group Sydney, Australia
Overview
Are you a passionate C# developer who thrives on building high-performance, real-time systems? Join our Trading Risk team and help shape the tools that drive decision-making in a fast-paced trading environment.
At Susquehanna, technology is at the core of everything we do. Our Trading Risk team develops mission-critical systems that provide real-time market risk insights across desks, asset classes, and global markets. These tools are used daily by traders, Compliance, and executive leadership to analyze risk, limits, counterparty exposure, P&L;, and more.
What You\'ll Do
- Develop real-time risk systems used throughout the trading floor, focusing on scalability, performance, and reliability.
- Partner with traders, Compliance, and fellow technologists to design and deliver innovative solutions that respond to evolving business needs.
- Gain exposure across desks and financial products, contributing to systems that touch on pricing, market data, scenarios, and risk metrics.
- Work across the full development lifecycle, from requirements gathering and system design through to production deployment and support.
- Expand your technical toolkit, with hands-on experience in distributed systems, real-time messaging, and high-performance computing.
What we\'re looking for
- Strong proficiency in C# and object-oriented design, with solid experience across both server-side and desktop applications (WPF, WinForms, etc.).
- Experience with multi-threading, performance tuning, and real-time messaging technologies.
- A collaborative mindset and strong communication skills—comfortable working closely with traders, Compliance, and engineering peers.
- A passion for problem-solving and innovation, with an interest in financial markets and risk systems.
- A Bachelor\'s degree or higher in Computer Science, Engineering, or a related technical field.
Bonus Points For
- Experience in risk or trading systems, particularly around derivative pricing, P&L;, or Greeks.
- Familiarity with Tibco RV or similar messaging middleware in real-time applications.
- Exposure to Agile methodologies and a track record of continuous improvement in software delivery.
What We Offer
- A collaborative culture that values ideas and innovation.
- A healthy work-life balance with reasonable hours and excellent perks - free breakfast and lunch, gym reimbursement, social events, and more.
- The chance to make an impact in a fast-moving trading setting, surrounded by smart and supportive colleagues.
If you\'re 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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📌 C# Developer - Risk
🏢 Susquehanna International Group
📍 City of Sydney