Trading Systems Developer (C#)

Location: Onsite — this role can be based in either Hong Kong or Sydney, Australia

Susquehanna is a global quantitative trading firm specializing in derivatives and market making across essentially all listed financial products, applying machine learning and advanced quantitative research at scale.

• Analyze, design, and develop business-critical trading systems for the Options Technology team.
• Take projects through the full software development lifecycle, from requirements gathering to production release.
• Collaborate closely with technologists, traders, and quantitative analysts.
• Build high-performance back-end systems with an emphasis on performance and multi-threading.

• Bachelor's degree (or higher) in a technical or related discipline.
• Exceptional C# development skills with deep knowledge of design, profiling, OOP, multi-threading, and performance in back-end development.
• Track record, working knowledge, or strong interest in options, trading, risk, or quantitative systems development.
• Previous experience or working knowledge of options, risk, pricing, and Greeks is highly regarded.

• Experience with microservices and cloud technologies (Azure Service Fabric, Envoy Proxy, gRPC, Protobuf, React JS, Docker, Kubernetes, Octopus Deploy, ELK Stack).

• Flat hierarchy with ownership and meaningful impact.
• Greenfield opportunity in a newly created role as the firm scales across APAC.
• Private healthcare and wellness initiatives.
• Daily office lunch allowance.
• Employee Assistance and Education Assistance Programs.
• Matched donations and corporate discounts.