Ultra-Low Latency Market Making Engineer

G-20 Group; New York (NY); On-site; USD 180,000 - 350,000; Full time

Job summary

G-20 Group seeks a Low Latency Market Making Engineer to design, build, and optimize systems for ultrafast quote generation and order execution. You will work across software, hardware, and market microstructure to deliver production-ready latency reductions and robust trading capabilities.

This role partners with traders and quantitative researchers to implement and calibrate quoting strategies, manage risk, and maintain testing, simulation, and live-deployment workflows.

Qualifications

• Strong proficiency in C++ with emphasis on performance
• Deep understanding of computer architecture and kernel-bypass networking
• Experience with low-latency protocols and exchange connectivity (FIX/ITCH/Ouch)
• Linux internals and production system tuning for latency
• Knowledge of market microstructure and order-book dynamics
• Experience with microsecond- or nanosecond-scale systems (HFT)
• Familiarity with debugging/profiling tools and tracing
• Excellent communication for collaborating with traders/quant researchers

Responsibilities

• Design, build, and maintain ultra-low-latency market making systems
• Profile and optimize tick-to-trade path and memory behavior
• Collaborate with hardware engineers to minimize critical-path latency
• Own exchange connectivity and order/data feed protocols
• Implement and calibrate quoting logic and risk controls
• Build simulation/backtesting/replay infrastructure
• Monitor live systems and drive root-cause analysis
• Contribute to capacity planning and infrastructure decisions
• Uphold high engineering standards and change management

Skills

C++ (modern C++17/20)

CPU architectures

Low-latency networking

Linux internals

Market microstructure

FPGA knowledge (Verilog/VHDL)

Debugging/profiling (perf, VTune)

Communication under time pressure

High-frequency/low-latency systems

Education

Bachelor's or higher in CS/Engineering/Math/Data Science/Economics/Business

Tools

FPGA development tools

Job description

G-20 Group seeks a Low Latency Market Making Engineer to design, build, and optimize systems for ultrafast quote generation and order execution. You will work across software, hardware, and market microstructure to deliver production-ready latency reductions and robust trading capabilities.

This role partners with traders and quantitative researchers to implement and calibrate quoting strategies, manage risk, and maintain testing, simulation, and live-deployment workflows.