Senior Trading Systems Engineer

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

Job summary

LeoForce is seeking a Senior Trading Systems Developer to design, build, and optimize its next-generation electronic trading infrastructure in Chicago. You will engineer ultra-low latency software that handles millions of orders daily, sitting at the intersection of high-performance computing and competitive financial markets.

Ideal candidates bring 5+ years in HFT or market-making, deep C++17/20 expertise, and a track record of memory and hardware-level optimization.

Qualifications

• 5+ years building high-frequency trading (HFT) or market-making systems.
• Bachelor's or Master’s in Computer Science, Computer Engineering, or Physics.
• Obsessive focus on clean code, memory management, and hardware-level optimization.

Responsibilities

• Optimize latency: minimize 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 with quantitative researchers to productionize complex alpha strategies.

Skills

C++ expert

Low-level systems

Concurrency

Networking hardware

Hardware acceleration

Education

Bachelor's or Master’s in CS/CE/Physics

Tools

Verilog/VHDL

Solarflare EF_VI

Job description

Chicago,IL, US

Job Description

Experience

Senior Level

Salary

$275,000 - $450,000 per year

Job Details

Trading Systems Developer to design, build, and optimize our next-generation electronic trading infrastructure. You will engineering ultra-low latency software that handles millions of orders daily. This role sits at the intersection of high-performance computing and competitive financial markets.

• 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.

Required Technical Skills

• Expert C++: Advanced proficiency in C++17/20, including template metaprogramming and STL.
• Low-Level Systems: Deep knowledge of Linux kernel tuning, OS internals, and CPU architecture.
• Concurrency: Mastery of lock-free data structures, multi-threading, and memory models.
• Networking Hardware: Experience with TCP/IP, UDP, sockets, and kernel-bypass tech (e.g., Solarflare EF_VI).
• Hardware Acceleration: Familiarity with FPGA development (Verilog/VHDL) is highly advantageous.

Qualifications & Experience

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

A bit about us

Specialized, high-frequency proprietary trading firm founded by veteran systems architects in downtown Chicago

Why join us

We are looking for an Elite Trading Systems Developer to own, optimize, and scale our core electronic execution pipeline. You will write deterministic, hardware-aware C++ code responsible for executing millions of daily orders across global derivatives exchanges.

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