Senior C++ Engineer – Low Latency Trading Systems (Equities)

We are working with leading global financial institutions and trading firms who are expanding their low-latency equities trading platforms in Hong Kong. These teams build and operate mission-critical, event-driven systems that support high-volume trading, market data processing, and exchange connectivity across global markets.

This is a hands-on engineering role for experienced C++ developers who enjoy working close to trading and quantitative teams, with a strong focus on performance, reliability, and scalability.

What You'll Be Working On

• Designing and developing high-performance C++ trading systems handling real-time market data, orders, and executions across global venues

• Optimising latency, throughput, and stability in ultra-low-latency, event-driven environments

• Building and enhancing exchange and broker connectivity, including order routing and market data pipelines

• Collaborating closely with traders, quantitative researchers, and technologists to deliver new functionality and improve existing platforms

• Contributing to core libraries and shared infrastructure, promoting clean, reusable, and maintainable code

• Supporting production systems and participating in controlled releases in a fast-moving trading environment

Key Requirements

• Strong hands-on experience in C++ (C++17/20+)

• Solid knowledge of data structures, algorithms, and system design

• Experience with multi-threaded, parallel, and asynchronous programming

• Strong understanding of performance optimisation and low-latency systems

• Experience working in Linux/Unix environments

• Exposure to trading systems, market data, execution platforms, or exchange connectivity

• Ability to communicate effectively with both technical and non-technical stakeholders

Nice to Have

• Experience in equities trading, prime brokerage, or proprietary trading environments

• Background in algorithmic or high-frequency trading systems

• Low-level networking knowledge (TCP/IP, FIX, socket programming)

• Python experience for tooling, research, or automation