Trading Systems Developer - C# Backend for Quant Trading

Susquehanna International Group seeks a Trading Systems Developer to join our Options Technology team. You will analyze, design, and develop business-critical trading systems, taking projects through the full software development lifecycle—from requirements gathering to production release.

Day to day, you’ll collaborate with technologists, traders, and quantitative analysts to deliver optimal outcomes. This role can be based in Hong Kong or Sydney, offering a greenfield opportunity as we scale