Senior Low-Latency C++ Engineer

Selby Jennings; Hong Kong; On-site; HKD 1,200,000 - 1,600,000; Full time

Job summary

Selby Jennings is seeking a talented C++ engineer for a leading global financial technology firm. You will design and build ultra-low latency, high-performance systems that support real-time decision-making in mission-critical environments.

Collaborate with traders, researchers, and engineers to translate ideas into production, own production systems end-to-end, and push best practices in concurrency and multithreading to achieve maximum latency and throughput.

Qualifications

• Design and build ultra-low latency, high-performance systems for real-time decision-making.
• Develop efficient, scalable solutions using modern C++.
• Continuously optimize system performance focusing on latency, throughput, and reliability.
• Collaborate with traders, researchers, and engineers to translate ideas into production systems.
• Own end-to-end production systems, including monitoring and enhancements.
• Drive engineering best practices in concurrency and multithreading.

Responsibilities

• Design and build ultra-low latency, high-performance systems that support real-time decision-making in mission-critical environments.
• Tackle complex technical challenges by developing efficient, scalable, and maintainable solutions using modern C++.
• Continuously optimize system performance, focusing on latency, throughput, and reliability in distributed architectures.
• Work closely with cross-functional stakeholders (e.g., traders, researchers, engineers) to translate ideas into production systems.
• Take end-to-end ownership of systems in production, including monitoring, troubleshooting, and ongoing enhancements.
• Drive engineering best practices in areas such as concurrency, multithreading, and system design for performance-critical applications.

Skills

C++

Low latency

Distributed systems

Real-time processing

Job description

A leading global financial technology firm specializing in real-time trading and liquidity solutions across multiple asset classes. The organization leverages advanced analytics, high-performance systems, and deep technical expertise to operate at scale in highly dynamic market environments.

Key Responsibilities

• Design and build ultra-low latency, high-performance systems that support real-time decision-making in mission-critical environments.
• Tackle complex technical challenges by developing efficient, scalable, and maintainable solutions using modern C++.
• Continuously optimize system performance, focusing on latency, throughput, and reliability in distributed architectures.
• Work closely with cross-functional stakeholders (e.g., traders, researchers, engineers) to translate ideas into production systems.
• Take end-to-end ownership of systems in production, including monitoring, troubleshooting, and ongoing enhancements.
• Drive engineering best practices in areas such as concurrency, multithreading, and system design for performance-critical applications.