Elite HFT Trading Systems Engineer – Ultra-Low Latency

LeoForce; Chicago (IL); On-site; USD 275,000 - 450,000; Full time

Job summary

LeoForce in Chicago, IL is seeking a Senior Trading Systems Developer to design, build, and optimize our next-generation electronic trading infrastructure. You will engineer ultra-low latency software that handles millions of orders daily across global derivatives exchanges.

The role requires advanced C++ expertise, low-level systems knowledge, and experience in high-frequency trading environments. You will collaborate with quantitative researchers to productionize alpha strategies.

Qualifications

• Bachelor's or Master’s in Computer Science, Computer Engineering, or Physics.
• Minimum 5+ years building high-frequency trading or market-making systems.
• Obsession with clean code, memory management, and hardware-level optimization.

Responsibilities

• Optimize latency: Minimize system microsecond delays in the automated trading pipeline.
• Build architecture: Code robust, deterministic, and concurrent order execution systems.
• Integrate venues: Develop low-latency market data feeds and exchange connectivity gateways.
• Enhance tools: Create internal performance profiling and real-time monitoring utilities.
• Collaborate daily: Partner closely with quantitative researchers to productionize complex alpha strategies.

Skills

Concurrency

Memory models

Lock-free data structures

Multithreading

Performance optimization

High-frequency trading experience

Education

Bachelor's or Master’s in Computer Science, Computer Engineering, or Physics

Tools

C++17/20

Linux kernel tuning

OS internals

CPU architecture

Networking (TCP/UDP)

Solarflare EF_VI

FPGA Verilog/VHDL

Job description

LeoForce in Chicago, IL is seeking a Senior Trading Systems Developer to design, build, and optimize our next-generation electronic trading infrastructure. You will engineer ultra-low latency software that handles millions of orders daily across global derivatives exchanges.

The role requires advanced C++ expertise, low-level systems knowledge, and experience in high-frequency trading environments. You will collaborate with quantitative researchers to productionize alpha strategies.