Ultra-Low Latency Market Making Engineer

G 20 Group; Hong Kong; On-site; HKD 1,400,000 - 2,400,000; Full time

Job summary

G-20 Group is hiring a Low Latency Market Making Engineer to design, build, and optimize systems for ultra-fast quote generation and order execution. The role blends software engineering, hardware, and market microstructure, requiring collaboration with traders and quantitative researchers to translate strategy into production systems with competitive queue positions across venues.

The ideal candidate will have strong C++ skills, deep knowledge of Linux and computer architecture, experience with

Qualifications

• Pursuing or recently completed degree in CS/engineering or related field
• Strong proficiency in C++ (modern C++17/20)
• Thorough understanding of computer architecture and kernel bypass networking
• Experience with low-latency networking and exchange protocols (FIX, ITCH, OUCH)
• Linux internals expertise and tuning production systems
• Familiarity with FPGA-based trading systems is advantageous

Responsibilities

• Design, build, and maintain ultra-low-latency market making systems
• Optimize tick-to-trade path with attention to CPU cache and memory layout
• Collaborate with hardware engineers; develop FPGA logic if needed
• Own exchange connectivity and protocol implementations (FIX, ITCH/OUCH)
• Calibrate quoting logic, risk controls, and inventory management in production
• Build and maintain simulation, backtesting, and replay infrastructure
• Monitor live systems and diagnose latency regressions in real time
• Contribute to capacity planning for co-location and hardware upgrades
• Uphold coding standards, testing, and safe deployment practices

Skills

C++ proficiency

Low-latency networking

Linux internals

Market microstructure

FPGA development

Debugging & profiling

Education

Bachelor's degree in Computer Science or related field

Tools

Linux

Verilog/VHDL

DPDK

Perf/VTune

FPGA tooling

Job description

G-20 Group is hiring a Low Latency Market Making Engineer to design, build, and optimize systems for ultra-fast quote generation and order execution. The role blends software engineering, hardware, and market microstructure, requiring collaboration with traders and quantitative researchers to translate strategy into production systems with competitive queue positions across venues.

The ideal candidate will have strong C++ skills, deep knowledge of Linux and computer architecture, experience with