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# Latency Critical & Low-Level C++ Software Engineer

- **Company:** Chicago Financial Search
- **Location:** Chicago, IL, United States
- **Experience:** Expert
- **Salary:** $100,000.0 - $150,000.0
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, Algorithmic Trading, C++ (Programming Language), Program Optimization, Software Quality, Data Structures, Field-Programmable Gate Array (FPGA), Performance Tuning, Low Latency, C++14
- **Published:** May 14, 2026
- **Apply:** https://www.careerjet.com/jobad/us298e8a28bda4dcc5c20acefd9bdb1304

## About the Role

For the Latency-Critical C++ Engineer, we are looking for:

 * BS in CS/CE or equivalent
 * 2+ years C++ focused on performance and correctness
 * Strong modern C++ (C++17/20), concurrency, memory, STL
 * Solid algorithms, data structures, and low-level systems knowledge
 * Ownership mindset with attention to trade-offs and code quality
 * Depth over breadth

For the Low-Level C++ Engineer, we are looking for:

 * BS in CS/CE or equivalent
 * 2+ years C++ in high-performance environments
 * Strong algorithms, data structures, modern C++ (C++17/20)
 * Experience with multithreading and performance tuning
 * Ability to analyze results and optimize systems and diven to continuously improve
 * Clear communication across technical and non-technical teams
 * Driven to continuously improve

## Description

We're hiring onsite in Chicago for two C++ engineering roles:

 * Latency-Critical C++ Engineer: Build high-performance systems used directly by traders and quants, tackling challenging problems with real-time impact in live markets.
 * Low-Level C++ Engineer: Optimize ultra-low latency trading systems across the full stack, working at the hardware-software boundary to maximize performance.

.
What You'll Do:
As the Latency-Critical C++ Engineer, you will:

 * Write and optimize ultra-low latency C++ across trading systems that is performance-critical C++ across our low-latency systems, from order execution to market connectivity

 * Profile, benchmark, and eliminate bottlenecks end-to-end
 * Partner with traders/quants to turn performance needs into efficient code
 * Own systems from development through production
 * Apply modern C++ to solve real-time performance challenges

As the Low-Level C++ Engineer, you will:

 * Develop high-performance, ultra-low latency C++ systems to improve performance-critical C++ applications, ensuring ultra-low latency and high throughput
 * Work closely with hardware, FPGA, and systems teams
 * Diagnose and fix real-time performance and stability issues
 * Create tools for deep system profiling and monitoring, As a Software Engineer specializing in Open 3D Engine (O3DE), you will play a crucial role in the development of next-generation AI systems for 3D environments. Your expertise in O…
 + 4 days ago
 + Apply easily


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