C# Developer – Global Quantitative Trading Firm

My client is a global quantitative trading firm powered by scientific rigor, curiosity, and innovation. Technology is at the core of everything they do. They are currently looking for multiple C# Developers across different teams in Hong Kong, including Trading Risk, Post Trade, and Trading Systems. This is a multi-hire initiative as they scale across APAC, offering a flat hierarchy, greenfield impact, private healthcare, daily lunch allowance, education assistance, and excellent work-life balance.

Full relocation package provided.

Role Overview:
You will develop mission-critical, high-performance systems serving traders, Compliance, Operations, and executive leadership. Depending on the team, you will work on real-time risk analytics, post-trade processing and regulatory reporting, or algorithmic trading systems for derivatives. All roles require end-to-end ownership, close collaboration with business stakeholders, and a passion for building scalable, reliable software in a fast-paced trading environment.

Key Responsibilities:

• Develop real-time or high-throughput systems supporting trading, risk, or post-trade functions.
• Partner with traders, quants, Operations, and Compliance to deliver innovative solutions.
• Own systems from requirements through to production deployment and support.
• Contribute to architectural decisions, performance tuning, and system reliability.
• Mentor junior developers and promote engineering best practices (senior roles).

Required Skills & Experience:

• Experience: 5–10+ years of professional C# development (level dependent).
• Core C#: Strong proficiency in C#, OOP, multi-threading, and performance tuning.
• Domain Knowledge: Experience in trading, risk, post-trade, derivatives, or quantitative systems is highly preferred.
• Technical Breadth: SQL, real-time messaging, and distributed systems experience.
• Cloud & Microservices (Trading Systems role): Azure Service Fabric, Orleans, Docker, Kubernetes, gRPC, Protobuf.
• Database (Post Trade role): Oracle, PL/SQL, high-availability environments.
• Soft Skills: Strong communication, collaborative mindset, and ability to work directly with traders and business users.
• Education: Bachelor’s degree in Computer Science, Engineering, or related field.

Nice-to-Have:

• Knowledge of derivative pricing, P&L, or Greeks.
• Familiarity with Tibco RV or similar messaging middleware.
• Experience with Agile methodologies.

What the Firm Offers:

• Collaborative, intellectually driven culture.
• Healthy work-life balance with reasonable hours.
• Free breakfast and lunch, gym reimbursement, social events.
• Private healthcare, education assistance, and corporate discounts.
• Flat hierarchy and greenfield impact as they scale across APAC.