C# Developer - Futures & Options Team - Tier 1 HFT

We're hiring C# Developers to join the Futures & Options Team at a tier-1 global quantitative trading firm. In this role, you'll design and build high-performance trading systems, working closely with Traders, Quants, and Technologists. You'll contribute to scalable, real-time solutions that support global trading operations. Ideal candidates have strong C# skills, backend expertise, and an interest in trading systems and financial technology.

Selby Jennings - Hong Kong - Full time

Salary: Negotiable

About the Role

We are seeking a talented and driven C# Developer to join the Futures & Options team at a leading global quantitative trading firm. In this role, you will play a key part in the analysis, design, and development of business-critical trading systems. You'll collaborate closely with Traders, Quantitative Analysts, and Technologists to deliver high-performance, scalable solutions that support trading operations across global markets.



What You'll Do

  • Design, develop, and maintain robust back-end systems for trading and risk management.
  • Collaborate with cross-functional teams to gather requirements and deliver solutions through the full software development lifecycle.
  • Optimize system performance and stability to handle large-scale data processing.
  • Contribute to the architecture and implementation of microservices and cloud-native applications.
  • Partner with Traders and Quants to understand business needs and translate them into technical solutions.


What We're Looking For

  • Education: Bachelor's degree or higher in Computer Science, Engineering, or a related technical field.
  • Experience: Proven track record in developing business-critical systems, ideally in trading, risk, or quantitative environments.
  • Technical Skills:
    • Strong expertise in C#, with deep knowledge of object-oriented design, multi-threading, profiling, and performance tuning.
    • Experience with Microservices and Cloud Technologies, such as:
      • Azure Service Fabric, Microsoft Orleans
      • Envoy Proxy, gRPC, Protobuf
      • Docker, Kubernetes, Octopus Deploy
      • React JS, ELK Stack
  • Domain Knowledge: Familiarity with trading systems, derivatives, risk, pricing, and Greeks is highly desirable.


What You Can Expect

  • Real Impact: Work on systems that process massive volumes of data with high performance and reliability, directly influencing trading outcomes.
  • Collaboration: Join a culture of close collaboration with Traders, Quants, and Engineers to build innovative solutions.
  • Growth: Be part of a team that values continuous learning, innovation, and technical excellence.


Ready to Apply?

If you're passionate about building high-performance systems and want to work in a fast-paced, collaborative environment, we'd love to hear from you.

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