Low-Latency Quant Dev - C++ for HFT Trading

KOS International Talent Group; Hong Kong; Hybrid; HKD 900,000 - 1,300,000; Full time

Job summary

KOS International Talent Group is seeking a skilled C++ engineer for a proprietary systematic trading team focusing on Crypto, US stocks, A-share and futures. The role adapts to Hong Kong, Beijing or Shanghai bases, contributing to strategy implementation, low-latency infrastructure and data pipelines.

You will translate researchers’ strategies into production C++ code, optimize systems, and participate in backtesting and monitoring initiatives to ensure reliability in live markets.

Qualifications

• Bachelor's degree or above in a relevant technical discipline.
• 3+ years of C++ development experience; background in quantitative trading or low-latency systems preferred.
• Proficient in C++11/14/17, STL, templates, multi-threading, memory management and performance tuning.
• Experience in Linux development and debugging (GCC/GDB/Perf/Valgrind); scripting with Shell/Python.
• Strong knowledge of TCP/IP, sockets, and low-latency network optimization; familiarity with trading protocols (CTP, FIX) a plus.
• Understanding of quantitative concepts including factors, backtesting and risk management is a plus.
• Solid coding practices; experience with Git and CI/CD workflows.
• Strong troubleshooting skills and ability to work under pressure; good communication and teamwork.

Responsibilities

• Quant Strategy Implementation & Optimization: translate strategy logic into high-performance C++ code for stock and futures trading; optimize latency and execution.
• Data processing & analytics: build high-throughput data pipelines and tools for data cleaning and factor calculation.
• System stability & observability: implement monitoring and alerting for live trading systems and post-incident reviews.
• Technical research & innovation: stay current with modern C++ standards and low-latency tech (DPDK) to advance the quant trading framework.

Skills

C++ development

Quant trading

Low-latency systems

Linux development

Multi-threading

Network programming

Trading protocols (CTP/FIX)

Git/CI-CD

Problem solving

Teamwork

Education

Bachelor’s degree in CS/SE/Math/Physics

Tools

GCC

GDB

Perf

Valgrind

Shell

Python

Linux scripting

Job description

KOS International Talent Group is seeking a skilled C++ engineer for a proprietary systematic trading team focusing on Crypto, US stocks, A-share and futures. The role adapts to Hong Kong, Beijing or Shanghai bases, contributing to strategy implementation, low-latency infrastructure and data pipelines.

You will translate researchers’ strategies into production C++ code, optimize systems, and participate in backtesting and monitoring initiatives to ensure reliability in live markets.