Senior C++ Low-Latency Trading Engineer

Selby Jennings; Singapore; On-site; SGD 200,000 - 280,000; Full time

Job summary

Selby Jennings is seeking a Senior C++ Engineer for a leading hedge fund in the APAC region, focusing on high-frequency trading infrastructure and real-time data processing. You will contribute to core systems, collaboration with quants, and architecture across trading platforms, while driving performance improvements.

The role emphasizes ownership of design, production stability, and cross-team coordination in a demanding, technology-driven environment.

Qualifications

• 5+ years building low-latency, production-grade systems in trading or similar environments.
• Strong proficiency in modern C++ and Python.
• Deep understanding of Linux internals, networking and systems programming.
• Knowledge of CPU architecture, caching, NUMA and performance optimisation.

Responsibilities

• Design and build low-latency trading systems across order entry, execution, and market data pipelines.
• Develop core infrastructure including simulators, research tooling, and strategy containers.
• Enhance platforms for systematic trading and quantitative research workflows.
• Collaborate with quants, traders, and architects to deliver high-impact solutions.
• Optimise latency, throughput, and reliability.

Skills

C++ (modern)

Python

Linux internals

Networking

Performance optimisation

System design

Production troubleshooting

Collaboration across teams

Job description

Selby Jennings is seeking a Senior C++ Engineer for a leading hedge fund in the APAC region, focusing on high-frequency trading infrastructure and real-time data processing. You will contribute to core systems, collaboration with quants, and architecture across trading platforms, while driving performance improvements.

The role emphasizes ownership of design, production stability, and cross-team coordination in a demanding, technology-driven environment.