Senior Trading Systems Engineer

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

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.

Core 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.

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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